ICU-20919 Merge branch 'maint/maint-66' into 66-merge-branch
diff --git a/icu4c/readme.html b/icu4c/readme.html
index f982556..a6acbd0 100644
--- a/icu4c/readme.html
+++ b/icu4c/readme.html
@@ -23,8 +23,8 @@
milestone - if the release note is a milestone release
-->
- <!-- <body> -->
- <body class="rc">
+ <body>
+ <!-- <body class="rc"> -->
<p class="only-draft"><b>Note:</b> This is a draft readme.</p>
<h1>
@@ -47,7 +47,7 @@
<p class="note only-rc">This is a release candidate version of ICU4C.
It is not recommended for production use.</p>
- <p>Last updated: 2020-Feb-12<br/>
+ <p>Last updated: 2020-Mar-02<br/>
Copyright © 2016 and later: Unicode, Inc. and others. License & terms of use:
<a href="http://www.unicode.org/copyright.html">http://www.unicode.org/copyright.html</a><br/>
Copyright © 1997-2016 International Business Machines Corporation and others.
diff --git a/icu4c/source/common/ucnv.cpp b/icu4c/source/common/ucnv.cpp
index 856be70..5dcf35e 100644
--- a/icu4c/source/common/ucnv.cpp
+++ b/icu4c/source/common/ucnv.cpp
@@ -234,7 +234,7 @@
ptrdiff_t pointerAdjustment = aligned_p - p;
if (bufferSizeNeeded + pointerAdjustment <= stackBufferSize) {
stackBuffer = reinterpret_cast<void *>(aligned_p);
- stackBufferSize -= pointerAdjustment;
+ stackBufferSize -= static_cast<int32_t>(pointerAdjustment);
} else {
/* prevent using the stack buffer but keep the size > 0 so that we do not just preflight */
stackBufferSize = 1;
diff --git a/icu4c/source/tools/toolutil/pkg_genc.cpp b/icu4c/source/tools/toolutil/pkg_genc.cpp
index 2199643..8251128 100644
--- a/icu4c/source/tools/toolutil/pkg_genc.cpp
+++ b/icu4c/source/tools/toolutil/pkg_genc.cpp
@@ -421,9 +421,9 @@
filename,
destdir,
buffer,
- sizeof(buffer),
+ static_cast<int32_t>(sizeof(buffer)),
entry + uprv_strlen(entry),
- sizeof(entry) - uprv_strlen(entry),
+ static_cast<int32_t>(sizeof(entry) - uprv_strlen(entry)),
".c",
optFilename);
@@ -682,7 +682,7 @@
outFilenameBuilder.append(destdir, status);
outFilenameBuilder.ensureEndsWithFileSeparator(status);
} else {
- outFilenameBuilder.append(inFilename, basename - inFilename, status);
+ outFilenameBuilder.append(inFilename, static_cast<int32_t>(basename - inFilename), status);
}
inFilename=basename;
diff --git a/icu4j/APIChangeReport.html b/icu4j/APIChangeReport.html
index b1849df..b8d2577 100644
--- a/icu4j/APIChangeReport.html
+++ b/icu4j/APIChangeReport.html
@@ -2,31 +2,31 @@
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-<!-- © 2019 and later: Unicode, Inc. and others. -->
+<!-- © 2020 and later: Unicode, Inc. and others. -->
<!-- License & terms of use: http://www.unicode.org/copyright.html#License -->
-<title>ICU4J API Comparison: ICU4J 65.1 with ICU4J 66.0.1</title>
+<title>ICU4J API Comparison: ICU4J 65.1 with ICU4J 66.1</title>
</head>
<body>
-<h1>ICU4J API Comparison: ICU4J 65.1 with ICU4J 66.0.1</h1>
+<h1>ICU4J API Comparison: ICU4J 65.1 with ICU4J 66.1</h1>
<hr/>
<h2>Removed from ICU4J 65.1</h2>
<p>(no API removed)</p>
<hr/>
-<h2>Deprecated or Obsoleted in ICU4J 66.0.1</h2>
+<h2>Deprecated or Obsoleted in ICU4J 66.1</h2>
<p>(no API obsoleted)</p>
<hr/>
-<h2>Changed in ICU4J 66.0.1 (old, new)</h2>
+<h2>Changed in ICU4J 66.1 (old, new)</h2>
<p>(no API changed)</p>
<hr/>
-<h2>Promoted to stable in ICU4J 66.0.1</h2>
+<h2>Promoted to stable in ICU4J 66.1</h2>
<p>(no API promoted to stable)</p>
<hr/>
-<h2>Added in ICU4J 66.0.1</h2>
+<h2>Added in ICU4J 66.1</h2>
<h3>Package com.ibm.icu.lang</h3>
<ul>
@@ -71,6 +71,6 @@
</ul>
<hr/>
-<p><i><font size="-1">Contents generated by ReportAPI tool on Tue Dec 03 17:17:51 EST 2019<br/>© 2019 and later: Unicode, Inc. and others. License & terms of use: <a href="http://www.unicode.org/copyright.html#License">http://www.unicode.org/copyright.html#License</a></font></i></p>
+<p><i><font size="-1">Contents generated by ReportAPI tool on Mon Feb 24 21:44:48 EST 2020<br/>© 2020 and later: Unicode, Inc. and others. License & terms of use: <a href="http://www.unicode.org/copyright.html#License">http://www.unicode.org/copyright.html#License</a></font></i></p>
</body>
</html>
diff --git a/icu4j/build.properties b/icu4j/build.properties
index ac9dd49..02d9dd3 100644
--- a/icu4j/build.properties
+++ b/icu4j/build.properties
@@ -6,7 +6,7 @@
#*******************************************************************************
api.report.version = 66
api.report.prev.version = 65
-release.file.ver = 66rc
-api.doc.version = 66 Release Candidate
-maven.pom.ver = 66.1-SNAPSHOT
+release.file.ver = 66_1
+api.doc.version = 66.1
+maven.pom.ver = 66.1
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.IllegalIcuArgumentException.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.IllegalIcuArgumentException.dat
deleted file mode 100644
index 00b4369..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.IllegalIcuArgumentException.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:4f80cd388edcf9e4fd9b337d182910a93c3d9feea19391d2189832f373a567f3
-size 1114
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.InvalidFormatException.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.InvalidFormatException.dat
deleted file mode 100644
index d3b18a8..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.InvalidFormatException.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:9de66628521edc985e7f2b3f2c150e305dd71a9bebcdc23f3442ab376cb632ad
-size 3177
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.OlsonTimeZone.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.OlsonTimeZone.dat
deleted file mode 100644
index 9f1890f..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.OlsonTimeZone.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:2bfa6e2f916fc828fd939286e13c5d2736a73b6cb98906592c37b343ee32546c
-size 20899
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.RelativeDateFormat.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.RelativeDateFormat.dat
deleted file mode 100644
index 357d814..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.RelativeDateFormat.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:016fa24b518b8bb5bf9224b238a336f4567df9aace3dc8f9310f65ead752b1f6
-size 11741
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.TimeZoneAdapter.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.TimeZoneAdapter.dat
deleted file mode 100644
index 9f90c24..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.TimeZoneAdapter.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:ae5e9ab8e2df89635c4e3f36084c6a8ea7339587e8ca0b4b27dbfd3067a264e2
-size 21332
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.locale.LocaleSyntaxException.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.locale.LocaleSyntaxException.dat
deleted file mode 100644
index 09409f6..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.locale.LocaleSyntaxException.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:70dae8d2ef1821146420cff67e5c3866e4147eec4fdb59d59788bf85f725ede9
-size 1134
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.ArabicShapingException.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.ArabicShapingException.dat
deleted file mode 100644
index 783a4d2..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.ArabicShapingException.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:d533a36cc0d76933c046e95d6f6621b7136539fa2cdcb668d89de6c224ffe95a
-size 3177
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.ChineseDateFormat.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.ChineseDateFormat.dat
deleted file mode 100644
index 2a114da..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.ChineseDateFormat.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:17afd45aab575351b10f0d7b445deaa7f6bac97d380d6d0e01df2dfd61500be4
-size 91840
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.ChineseDateFormatSymbols.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.ChineseDateFormatSymbols.dat
deleted file mode 100644
index fde98c9..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.ChineseDateFormatSymbols.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:93a9f6baba18a863415072255297d77928bb5ca35c69f7e9d1391205e54e62af
-size 39168
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.DateFormat.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.DateFormat.dat
deleted file mode 100644
index b2b29f9..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.DateFormat.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:7b8f8aedb933657f73dd73a49b2f4cc6bdbe5af60425fa138a7a2b8c8e2ab9ad
-size 46875
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.DateFormatSymbols.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.DateFormatSymbols.dat
deleted file mode 100644
index 2b27451..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.DateFormatSymbols.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:e98bafef6f92abdf5906efac20106b74e7002ef2f985af90a910c027d3285a1a
-size 31524
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.DateIntervalFormat.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.DateIntervalFormat.dat
deleted file mode 100644
index a3a7522..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.DateIntervalFormat.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:aacd027f4e48e4105a08016840640678fe5b0bbaefda513e13e37d3917baae50
-size 10974
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.DecimalFormat.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.DecimalFormat.dat
deleted file mode 100644
index dab0744..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.DecimalFormat.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:eb9a9e35dd78c1295ba4914fb0cebf578f59c8360300530d50813ba15d262279
-size 11288
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.DecimalFormatSymbols.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.DecimalFormatSymbols.dat
deleted file mode 100644
index 1b7cf48..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.DecimalFormatSymbols.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:e6a985e4a10117f442bba5a37392225ee36ec4cb02ad750561c15c9a3b5a2734
-size 7259
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.MeasureFormat.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.MeasureFormat.dat
deleted file mode 100644
index 6d91c78..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.MeasureFormat.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:4fde081cf28ffd69df197f9b110155d1daab4bcf686cd6ea1604814ca4a1c956
-size 3246
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.NumberFormat.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.NumberFormat.dat
deleted file mode 100644
index 4a3321f..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.NumberFormat.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c4158486c993fd2af97cebe59366262978be8cff8c67dc026667477235a8238c
-size 3699
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.SimpleDateFormat.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.SimpleDateFormat.dat
deleted file mode 100644
index 1f46885..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.SimpleDateFormat.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:5f4e4cf79944d20920b1c9278f3b6692586f52dd6ffefe36f514e0d137457b12
-size 90751
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.StringPrepParseException.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.StringPrepParseException.dat
deleted file mode 100644
index 6afc655..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.StringPrepParseException.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:8a128c4935e8cf099bc5bb4889ef064df6f70c0ab1f1a99698a0a945114e02d1
-size 7712
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.BuddhistCalendar.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.BuddhistCalendar.dat
deleted file mode 100644
index f43d677..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.BuddhistCalendar.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:4cda3d7cfafe054fadb7168027ab1340e39752705606c6e950c7614440ecaf55
-size 2672
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.Calendar.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.Calendar.dat
deleted file mode 100644
index 2aaa6d1..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.Calendar.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:1d375b82c172b54df34bc9a34e11021aaa632cdeabf65d688cffe582fdbf8860
-size 4090
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.ChineseCalendar.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.ChineseCalendar.dat
deleted file mode 100644
index 66e63d8..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.ChineseCalendar.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b33b7db9e2b236b08fec3c6b143013b58bd86b76412fc581d93922672d022266
-size 3152
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.CopticCalendar.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.CopticCalendar.dat
deleted file mode 100644
index 05290f5..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.CopticCalendar.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c85007184bbe4c3900bc2ace639f81cb1c9eccf3231aadae95224598acd337b8
-size 3328
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.DangiCalendar.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.DangiCalendar.dat
deleted file mode 100644
index ebd6d3a..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.DangiCalendar.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:964903236d5c4d294608f50fd2620593d6fd44a7c754a0477145954542bde077
-size 3538
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.EthiopicCalendar.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.EthiopicCalendar.dat
deleted file mode 100644
index 004a394..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.EthiopicCalendar.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:7c85e43ae183896910a16e9cf30fe43d1979f41edb411c28fc123bd94810dd60
-size 2621
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.GregorianCalendar.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.GregorianCalendar.dat
deleted file mode 100644
index 5d4c76a..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.GregorianCalendar.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a393395853dc448d3fdeedbc84f514b0da492028e9ef5774a785ba706426633b
-size 4099
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.HebrewCalendar.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.HebrewCalendar.dat
deleted file mode 100644
index 5d6c431..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.HebrewCalendar.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:e0d992fd31bbf1799d5e79c8cfe2d9ed12c7166e1c75647216bd71a006fb7ca0
-size 3647
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.ICUCloneNotSupportedException.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.ICUCloneNotSupportedException.dat
deleted file mode 100644
index 6086f7d..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.ICUCloneNotSupportedException.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:6d730737a740900b3daea5296c2168d0f6d0d2704edceb24c040dec7279cdab6
-size 1674
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.ICUException.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.ICUException.dat
deleted file mode 100644
index 7570a79..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.ICUException.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:24e34d57f74769611c2ed746c9c809f53793c0133c79c9e4e69f2a531f038e45
-size 1579
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.ICUUncheckedIOException.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.ICUUncheckedIOException.dat
deleted file mode 100644
index 01ab9d7..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.ICUUncheckedIOException.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:1a0912fd8fdc5e51b3b6c2597f3c1453f63fe980d2b46fd533e6455ca591a107
-size 1612
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.IllformedLocaleException.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.IllformedLocaleException.dat
deleted file mode 100644
index a00b77a..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.IllformedLocaleException.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c5c0f622bb099bd386112a41476f7222a13cf7f326183d6c8bf418de78b06b1f
-size 1184
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.IndianCalendar.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.IndianCalendar.dat
deleted file mode 100644
index c4f8434..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.IndianCalendar.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:3726856c09be8995c87e289eea63f5320230c5f78f2923a18a846ad2cd856edc
-size 2511
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.IslamicCalendar.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.IslamicCalendar.dat
deleted file mode 100644
index 445077e..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.IslamicCalendar.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:607ee068db504f0c0034daabbdf51d534129bc65bb10d2d98461acd3da640857
-size 3876
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.JapaneseCalendar.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.JapaneseCalendar.dat
deleted file mode 100644
index 13b267f..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.JapaneseCalendar.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:25531d0503ef12acd5b4d60268fa7cae84f06231d0315867eb637df7be2522be
-size 2750
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.PersianCalendar.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.PersianCalendar.dat
deleted file mode 100644
index e764063..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.PersianCalendar.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:dad53ea259fd7ec2ecc00c0f868b11275742f041c450c00014982c484e0ac024
-size 3664
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.TaiwanCalendar.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.TaiwanCalendar.dat
deleted file mode 100644
index 6a7cc00..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.TaiwanCalendar.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:227687eeff821f0c4cfe3eb44447ea9b8563bd565941881dedfb6991d32aebfc
-size 2821
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.UResourceTypeMismatchException.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.UResourceTypeMismatchException.dat
deleted file mode 100644
index 9b80d9b..0000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.UResourceTypeMismatchException.dat
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:71914581933b62c6041a6dfec711dee75e801bde7d5f6b0344478f1031dafb67
-size 3242
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.DateNumberFormat.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.DateNumberFormat.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.DateNumberFormat.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.DateNumberFormat.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.IllegalIcuArgumentException.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.IllegalIcuArgumentException.dat
new file mode 100644
index 0000000..67c6913
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.IllegalIcuArgumentException.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e1bdb43575986f04879436c7032ff92e506c3ae070539a8781cb611dd1f10a9e
+size 1114
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.InvalidFormatException.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.InvalidFormatException.dat
new file mode 100644
index 0000000..cdaa79e
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.InvalidFormatException.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7602f49fcb8784ab074666e1241985d46f56d0218b1bfd700d235e6870e5d023
+size 3177
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.JavaTimeZone.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.JavaTimeZone.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.JavaTimeZone.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.JavaTimeZone.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.OlsonTimeZone.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.OlsonTimeZone.dat
new file mode 100644
index 0000000..92f572a
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.OlsonTimeZone.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fe1706b855eaadddbcee116e20c512f1a0f2185aebfa86da3347271e332f1bbf
+size 20943
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.RelativeDateFormat.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.RelativeDateFormat.dat
new file mode 100644
index 0000000..5a4b0e8
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.RelativeDateFormat.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:58febb40aa10387287550f83dca0e85fdba396af1bfd557a5a8316af565501d8
+size 11741
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.TZDBTimeZoneNames.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.TZDBTimeZoneNames.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.TZDBTimeZoneNames.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.TZDBTimeZoneNames.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.TimeZoneAdapter.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.TimeZoneAdapter.dat
new file mode 100644
index 0000000..87cbd3c
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.TimeZoneAdapter.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ded87a3e585807efdd7bf104ca334070011db65c35c686f72a542c18e6c95512
+size 21376
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.TimeZoneGenericNames.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.TimeZoneGenericNames.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.TimeZoneGenericNames.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.TimeZoneGenericNames.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.TimeZoneNamesImpl.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.TimeZoneNamesImpl.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.TimeZoneNamesImpl.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.TimeZoneNamesImpl.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.duration.BasicDurationFormat.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.duration.BasicDurationFormat.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.duration.BasicDurationFormat.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.duration.BasicDurationFormat.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.locale.LocaleSyntaxException.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.locale.LocaleSyntaxException.dat
new file mode 100644
index 0000000..daf374e
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.locale.LocaleSyntaxException.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:25fd3cb3dea42968ae2683846c40ab00f32be405fb2fb772e83673e9190b4da9
+size 1134
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.number.CustomSymbolCurrency.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.number.CustomSymbolCurrency.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.number.CustomSymbolCurrency.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.number.CustomSymbolCurrency.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.number.DecimalFormatProperties.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.number.DecimalFormatProperties.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.number.DecimalFormatProperties.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.number.DecimalFormatProperties.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.number.LocalizedNumberFormatterAsFormat.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.number.LocalizedNumberFormatterAsFormat.dat
new file mode 100644
index 0000000..7c3cde4
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.number.LocalizedNumberFormatterAsFormat.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:26660775ea9b2b549fcca54d2ae5965cbd5ee0158725a1c066c57344698e711a
+size 187
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.number.Properties.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.number.Properties.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.impl.number.Properties.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.impl.number.Properties.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.math.BigDecimal.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.math.BigDecimal.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.math.BigDecimal.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.math.BigDecimal.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.math.MathContext.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.math.MathContext.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.math.MathContext.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.math.MathContext.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.number.SkeletonSyntaxException.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.number.SkeletonSyntaxException.dat
new file mode 100644
index 0000000..df992b6
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.number.SkeletonSyntaxException.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0eaf13dcc61083eb10f035f39bbd9b1fc561ce323da13d78f46faa16135a4dbc
+size 1149
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.ArabicShapingException.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.ArabicShapingException.dat
new file mode 100644
index 0000000..587552e
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.ArabicShapingException.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:75fb6f4e755f87d2b276b0909c183f11c111f3f78a08c9586bc7521da47be8b7
+size 3177
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.ChineseDateFormat$Field.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.ChineseDateFormat$Field.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.ChineseDateFormat$Field.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.ChineseDateFormat$Field.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.ChineseDateFormat.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.ChineseDateFormat.dat
new file mode 100644
index 0000000..47f3e24
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.ChineseDateFormat.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e1f05c04e07f85e7c51c13e94da2b9954ba1a70098e7101273683f108cb5cb96
+size 92019
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.ChineseDateFormatSymbols.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.ChineseDateFormatSymbols.dat
new file mode 100644
index 0000000..0db2679
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.ChineseDateFormatSymbols.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:eb0aa84cc1621688d891fd27c8bbbabf33515fab51bf659843c3c112d17b58e8
+size 39347
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.CompactDecimalFormat.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.CompactDecimalFormat.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.CompactDecimalFormat.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.CompactDecimalFormat.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.CurrencyPluralInfo.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.CurrencyPluralInfo.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.CurrencyPluralInfo.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.CurrencyPluralInfo.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.DateFormat$Field.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.DateFormat$Field.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.DateFormat$Field.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.DateFormat$Field.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.DateFormat.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.DateFormat.dat
new file mode 100644
index 0000000..06a1ee0
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.DateFormat.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f10d065d97b569540b84b97f24b61885e688596b05455b77d4ff806e40ad8564
+size 47141
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.DateFormatSymbols.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.DateFormatSymbols.dat
new file mode 100644
index 0000000..471e4be
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.DateFormatSymbols.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:00691c179fe1d4f58c2ead75f30bbd3706a128d387636c60d95869ec4d10b96d
+size 31790
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.DateIntervalFormat$SpanField.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.DateIntervalFormat$SpanField.dat
new file mode 100644
index 0000000..90e024b
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.DateIntervalFormat$SpanField.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6c3f1d37c8e014d9a0ba20e3aa48c55db44c6e1c27d3d569d3c7e1132e3a452f
+size 303
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.DateIntervalFormat.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.DateIntervalFormat.dat
new file mode 100644
index 0000000..d76fcdc
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.DateIntervalFormat.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:068437b6565a5d6f295541617043b4635428a71db5775e3409ed0516a237fd4a
+size 12289
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.DateIntervalInfo$PatternInfo.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.DateIntervalInfo$PatternInfo.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.DateIntervalInfo$PatternInfo.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.DateIntervalInfo$PatternInfo.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.DateIntervalInfo.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.DateIntervalInfo.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.DateIntervalInfo.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.DateIntervalInfo.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.DecimalFormat.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.DecimalFormat.dat
new file mode 100644
index 0000000..0ba4be6
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.DecimalFormat.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e65efd63cc41a73f13206448e1ac1ac8e43ef5bb6ba51d8b7271f7387835c8c2
+size 11289
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.DecimalFormatSymbols.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.DecimalFormatSymbols.dat
new file mode 100644
index 0000000..bf1f880
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.DecimalFormatSymbols.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3396a54452adc2312584e0a1dac1538a1a1e67bb3e03befbc71dfee595daba76
+size 7260
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.MeasureFormat.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.MeasureFormat.dat
new file mode 100644
index 0000000..c1047a4
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.MeasureFormat.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cd3dd0cb11b845b18f1bf34af393b81e17ee63647760534a8cee7087d06aedeb
+size 3247
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.MessageFormat$Field.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.MessageFormat$Field.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.MessageFormat$Field.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.MessageFormat$Field.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.MessageFormat.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.MessageFormat.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.MessageFormat.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.MessageFormat.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.NumberFormat$Field.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.NumberFormat$Field.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.NumberFormat$Field.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.NumberFormat$Field.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.NumberFormat.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.NumberFormat.dat
new file mode 100644
index 0000000..43ba12f
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.NumberFormat.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bd07f1c2e1b6082bf39c0205e31c8f6a33fc7afeb06f871c75943f62f732486b
+size 3757
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.PluralFormat.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.PluralFormat.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.PluralFormat.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.PluralFormat.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.PluralRules.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.PluralRules.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.PluralRules.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.PluralRules.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.RelativeDateTimeFormatter$Field.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.RelativeDateTimeFormatter$Field.dat
new file mode 100644
index 0000000..845c1c1
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.RelativeDateTimeFormatter$Field.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c29d7001cb68f90246bfd3d974e23aabb8bcaace3959401151c4d3a0a2d8aa76
+size 246
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.RuleBasedNumberFormat.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.RuleBasedNumberFormat.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.RuleBasedNumberFormat.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.RuleBasedNumberFormat.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.SelectFormat.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.SelectFormat.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.SelectFormat.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.SelectFormat.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.SimpleDateFormat.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.SimpleDateFormat.dat
new file mode 100644
index 0000000..f276c0f
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.SimpleDateFormat.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8b305d4c1a1b2f34b124e20a25a2d0b7d20e4e4d497d75c6015797f72c8da89d
+size 91017
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.StringPrepParseException.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.StringPrepParseException.dat
new file mode 100644
index 0000000..4a37dc8
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.StringPrepParseException.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2e0fbedd9c78abe5e7a05a493398eafee924ad414457bab66362131c1d15a481
+size 7712
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.TimeUnitFormat.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.TimeUnitFormat.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.TimeUnitFormat.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.TimeUnitFormat.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.TimeZoneFormat.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.TimeZoneFormat.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.text.TimeZoneFormat.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.text.TimeZoneFormat.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.AnnualTimeZoneRule.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.AnnualTimeZoneRule.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.AnnualTimeZoneRule.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.AnnualTimeZoneRule.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.BuddhistCalendar.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.BuddhistCalendar.dat
new file mode 100644
index 0000000..d65709c
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.BuddhistCalendar.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a1bb3fede1166585805db73440cd6d26f17a9a64710e1d949191d144f8182cfd
+size 2672
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.Calendar.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.Calendar.dat
new file mode 100644
index 0000000..2f36981
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.Calendar.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cc3c769ebf02bcb97a39bd5621385ca3e6027f957928ebfaa0cec9ecbae3bf44
+size 4090
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.ChineseCalendar.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.ChineseCalendar.dat
new file mode 100644
index 0000000..6da66ad
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.ChineseCalendar.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b2c254a8773345a9ecb984d19627f3f2558571f72ce90aaf0cc7dd3364df3718
+size 3242
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.CopticCalendar.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.CopticCalendar.dat
new file mode 100644
index 0000000..34a32e7
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.CopticCalendar.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1245d648cd55d3eef2ba58b92bace01d555b8d13a9a55a1e4ec114ddd1990908
+size 3328
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.Currency.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.Currency.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.Currency.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.Currency.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.DangiCalendar.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.DangiCalendar.dat
new file mode 100644
index 0000000..cc92109
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.DangiCalendar.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9e0aaff1d72a5ff94c13daebbe57b2c1184c5ee6230a40ec384ab8cb8ab7772d
+size 3610
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.DateInterval.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.DateInterval.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.DateInterval.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.DateInterval.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.DateTimeRule.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.DateTimeRule.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.DateTimeRule.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.DateTimeRule.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.EthiopicCalendar.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.EthiopicCalendar.dat
new file mode 100644
index 0000000..1120cfe
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.EthiopicCalendar.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:57076e58692efddbfeeebf861a0ffca157f8f46e0cc7b15295a19bf83314ad73
+size 2621
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.GregorianCalendar.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.GregorianCalendar.dat
new file mode 100644
index 0000000..edada41
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.GregorianCalendar.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:aa40d6c4d0370bc9768b1ff8610477722e6f350b07bf6c6a0bcb6787a7b67c63
+size 4099
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.HebrewCalendar.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.HebrewCalendar.dat
new file mode 100644
index 0000000..8e2f2e1
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.HebrewCalendar.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a90f64d7a765e24dbfa2a21a2c4a1ad2fac088d874b97606ff3ae5e732b05405
+size 3683
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.ICUCloneNotSupportedException.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.ICUCloneNotSupportedException.dat
new file mode 100644
index 0000000..b1d3d9f
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.ICUCloneNotSupportedException.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1824c78dfdc9b252519f974303580482facff3a18775dd904c59c9813bb06c74
+size 1674
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.ICUException.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.ICUException.dat
new file mode 100644
index 0000000..770b3f6
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.ICUException.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d6a9a61f08f19a7dc2f33b599cf1ec00b03a18174a21859fdef53fdd89ade06d
+size 1579
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.ICUUncheckedIOException.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.ICUUncheckedIOException.dat
new file mode 100644
index 0000000..e98541a
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.ICUUncheckedIOException.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7d49a9cd08bb0cb103b7cd8f23363a0a18db4e3c52bb74ba0ee60e42d9f3e74b
+size 1612
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.IllformedLocaleException.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.IllformedLocaleException.dat
new file mode 100644
index 0000000..604f5ce
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.IllformedLocaleException.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7314516ea66faaecafb7f855d184e9ac2c1b7f04c3f5cd91f95155deb0f0369f
+size 1184
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.IndianCalendar.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.IndianCalendar.dat
new file mode 100644
index 0000000..cf8bdee
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.IndianCalendar.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cadc5f2f5e58d5b10218b60fc941dbff11bf36135f8c6764bf728d80c867e4d4
+size 2511
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.InitialTimeZoneRule.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.InitialTimeZoneRule.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.InitialTimeZoneRule.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.InitialTimeZoneRule.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.IslamicCalendar.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.IslamicCalendar.dat
new file mode 100644
index 0000000..01bbe55
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.IslamicCalendar.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b9af95de30c02954bdcd9537b920c844fd0bd6f2b3665f7c459be4fa78d764fe
+size 3876
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.JapaneseCalendar.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.JapaneseCalendar.dat
new file mode 100644
index 0000000..4353d84
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.JapaneseCalendar.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:84b68cbcaa16ebd038f8a0e226cbdc0b665e38b7d4959158ee5940d5c7f9b013
+size 2750
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.MeasureUnit.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.MeasureUnit.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.MeasureUnit.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.MeasureUnit.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.NoUnit.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.NoUnit.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.NoUnit.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.NoUnit.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.PersianCalendar.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.PersianCalendar.dat
new file mode 100644
index 0000000..3e0634d
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.PersianCalendar.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3b4c842896f1def108bdb94f134191fae2e2246b91b406593640787d2602522f
+size 4600
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.RuleBasedTimeZone.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.RuleBasedTimeZone.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.RuleBasedTimeZone.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.RuleBasedTimeZone.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.SimpleTimeZone.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.SimpleTimeZone.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.SimpleTimeZone.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.SimpleTimeZone.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.TaiwanCalendar.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.TaiwanCalendar.dat
new file mode 100644
index 0000000..33068e2
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.TaiwanCalendar.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:814eb24ddb9d8a73bc77b95dad17673bed2017ec5cdeae47a76e46dadd63117b
+size 2911
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.TimeArrayTimeZoneRule.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.TimeArrayTimeZoneRule.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.TimeArrayTimeZoneRule.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.TimeArrayTimeZoneRule.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.TimeUnit.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.TimeUnit.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.TimeUnit.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.TimeUnit.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.TimeZone.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.TimeZone.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.TimeZone.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.TimeZone.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.ULocale.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.ULocale.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.ULocale.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.ULocale.dat
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.UResourceTypeMismatchException.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.UResourceTypeMismatchException.dat
new file mode 100644
index 0000000..00b037d
--- /dev/null
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.UResourceTypeMismatchException.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:681f0f0ff36d1f393be7323c4631f09bc72adfc67998328b28f302a23d9d14d2
+size 3242
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.VTimeZone.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.VTimeZone.dat
similarity index 100%
rename from icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_61.1/com.ibm.icu.util.VTimeZone.dat
rename to icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_66.1/com.ibm.icu.util.VTimeZone.dat
diff --git a/icu4j/readme.html b/icu4j/readme.html
index b2754fb..dee39d2 100644
--- a/icu4j/readme.html
+++ b/icu4j/readme.html
@@ -15,23 +15,23 @@
link="#0000ff" vlink="#800080">
<h1>International Components for Unicode for Java (ICU4J)</h1>
<h2>Read Me for ICU4J 66.1</h2>
-(Last Update: 2020-Feb-12)
+(Last Update: 2020-Mar-02)
<hr size="2" width="100%">
<p>
-<!-- <b>Note:</b> This is major release of ICU4J. It contains bug fixes and adds implementations
-of inherited API and introduces new API or functionality. -->
+<b>Note:</b> This is major release of ICU4J. It contains bug fixes and adds implementations
+of inherited API and introduces new API or functionality.
<!-- <b>Note:</b> This is a preview release of ICU4J 66.
The contents of this document may not reflect the recent changes done
for ICU 66 development. It is not recommended for production use. -->
<!-- <b>Note:</b> This is a development milestone of ICU4J 66.
The contents of this document may not reflect the recent changes done
for ICU 66 development. It is not recommended for production use. -->
-<b>Note:</b> This is a release candidate of ICU4J 66.
+<!-- <b>Note:</b> This is a release candidate of ICU4J 66.
The contents of this document may not reflect the recent changes done
for ICU 66 development. This release candidate is intended for those
wishing to verify ICU 66 integration before final release. It is not
-recommended for production use.
+recommended for production use. -->
</p>
<p>For the most recent release, see the <a
href="http://www.icu-project.org/download/"> ICU4J
diff --git a/icu4j/tools/build/icu4j56.api3.gz b/icu4j/tools/build/icu4j56.api3.gz
deleted file mode 100644
index a66b7cf..0000000
--- a/icu4j/tools/build/icu4j56.api3.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:28c18b52b1d0de31b06a4654135f54d31fe4419ae743b64b15331f20179ecfa9
-size 54665
diff --git a/icu4j/tools/build/icu4j66.api3.gz b/icu4j/tools/build/icu4j66.api3.gz
new file mode 100644
index 0000000..5326e47
--- /dev/null
+++ b/icu4j/tools/build/icu4j66.api3.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:216e6be657d4e3faa8e85e27b73e8dbe2ef57dbf8a88c63c6ab93e88710f7daa
+size 62714
