Poppler 0.52.0
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5074a1a..d36e06e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,7 +22,7 @@
 endif()
 
 set(POPPLER_MAJOR_VERSION "0")
-set(POPPLER_MINOR_VERSION "51")
+set(POPPLER_MINOR_VERSION "52")
 set(POPPLER_MICRO_VERSION "0")
 set(POPPLER_VERSION "${POPPLER_MAJOR_VERSION}.${POPPLER_MINOR_VERSION}.${POPPLER_MICRO_VERSION}")
 
diff --git a/NEWS b/NEWS
index 9139ff6..cf7de77 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,19 @@
+Release 0.52.0
+        core:
+         * Fix assert on reading some OCGs. Bug #99768
+         * Properly initialize some RichMedia variables in corner cases. Bug #99767
+
+        qt4:
+         * optcontent structure was leaking the headers items. Bug #99449
+         * Cleanup objects in tests to fix memory leaks. Bug #99449
+
+        qt5:
+         * optcontent structure was leaking the headers items. Bug #99449
+         * Cleanup objects in tests to fix memory leaks. Bug #99449
+
+        utils:
+         * pdftocairo.1: Fix typo
+
 Release 0.51.0
         core:
          * Check for error from NSS in SignatureHandler construct. Bug #99363
diff --git a/configure.ac b/configure.ac
index 90c8b51..5caa8ae 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 m4_define([poppler_version_major],[0])
-m4_define([poppler_version_minor],[51])
+m4_define([poppler_version_minor],[52])
 m4_define([poppler_version_micro],[0])
 m4_define([poppler_version],[poppler_version_major.poppler_version_minor.poppler_version_micro])
 
diff --git a/cpp/Doxyfile b/cpp/Doxyfile
index 0b7cbdf..dca92b4 100644
--- a/cpp/Doxyfile
+++ b/cpp/Doxyfile
@@ -31,7 +31,7 @@
 # This could be handy for archiving the generated documentation or
 # if some version control system is used.
 
-PROJECT_NUMBER         = 0.51.0
+PROJECT_NUMBER         = 0.52.0
 
 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute)
 # base path where the generated documentation will be put.
diff --git a/qt4/src/Doxyfile b/qt4/src/Doxyfile
index 937a425..dd51676 100644
--- a/qt4/src/Doxyfile
+++ b/qt4/src/Doxyfile
@@ -31,7 +31,7 @@
 # This could be handy for archiving the generated documentation or
 # if some version control system is used.
 
-PROJECT_NUMBER         = 0.51.0
+PROJECT_NUMBER         = 0.52.0
 
 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute)
 # base path where the generated documentation will be put.
diff --git a/qt5/src/Doxyfile b/qt5/src/Doxyfile
index a908b02..7e50fff 100644
--- a/qt5/src/Doxyfile
+++ b/qt5/src/Doxyfile
@@ -31,7 +31,7 @@
 # This could be handy for archiving the generated documentation or
 # if some version control system is used.
 
-PROJECT_NUMBER         = 0.51.0
+PROJECT_NUMBER         = 0.52.0
 
 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute)
 # base path where the generated documentation will be put.