+libass (unreleased)
+ * Treat invalid nested \t tags like VSFilter
+ * Fix stack overflow on deeply nested \t tags
+
+libass (0.14.0)
+ * Brand new, faster and better outline stroker (replaces FreeType stroker)
+ * Remove option to use the FreeType rasterizer
+ * Fix spots of missing border around self-intersecting shapes
+ * Switch from Yasm to NASM for building hand-written assembler code
+ * Support Core Text font provider on Mac OS X 10.6 and 10.7
+ * Clear font cache in ass_set_fonts(). This fixes potentially incorrect
+ font choices and an occasional crash if this function is called midway
+ through rendering a file.
+
+libass (0.13.7)
+ * Fix invalid memory accesses with BorderStyle=4
+ * Fix change detection bug on frame resizes
+ * Fix cache bugs with border size
+ * Reduce precision of border width in font outline caching
+ * Don't treat :;<=>? as hexadecimal digits in color headers
+ * Fix parsing of unusual Alignment values in ASS style definitions
+ * Fix potential truncation in timestamp parsing
+ * Treat negative PlayResX/PlayResY like VSFilter
+ * Fixes to parsing of embedded fonts
+ * Remove arbitrary bitmap limit (fixes issues with subtitle rendering at 4K)
+ * Allow using shadow offset to adjust size of background with BorderStyle=4
+ * Fix TrueType/OpenType font collection handling with the DirectWrite backend
+
+libass (0.13.6)
+ * Bump ABI version to account for the new Justify field in ASS_Style
+ that was added in 0.13.5.
+
libass (0.13.5)
* Add Justify style override that changes text justification
(left/right/center) without affecting event positioning.