diff --git a/modules/canvaskit/CHANGELOG.md b/modules/canvaskit/CHANGELOG.md
index 3ef0180..809e18e 100644
--- a/modules/canvaskit/CHANGELOG.md
+++ b/modules/canvaskit/CHANGELOG.md
@@ -13,6 +13,11 @@
  - `CanvasKitInit(...)` now directly returns a Promise. As such, `CanvasKitInit(...).ready()`
    has been removed.
 
+### Fixed
+ - WebGL context is no longer created with "antialias" flag. Using "antialias" caused poor AA
+   quality in Ganesh when trying to do coverage-based AA with MSAA unknowingly enabled. It also
+   reduced performance.
+
 ## [0.15.0] - 2020-05-14
 
 ### Added
diff --git a/modules/canvaskit/gpu.js b/modules/canvaskit/gpu.js
index 10c5038..595940c 100644
--- a/modules/canvaskit/gpu.js
+++ b/modules/canvaskit/gpu.js
@@ -18,7 +18,7 @@
           'alpha': get(attrs, 'alpha', 1),
           'depth': get(attrs, 'depth', 1),
           'stencil': get(attrs, 'stencil', 8),
-          'antialias': get(attrs, 'antialias', 1),
+          'antialias': get(attrs, 'antialias', 0),
           'premultipliedAlpha': get(attrs, 'premultipliedAlpha', 1),
           'preserveDrawingBuffer': get(attrs, 'preserveDrawingBuffer', 0),
           'preferLowPowerToHighPerformance': get(attrs, 'preferLowPowerToHighPerformance', 0),