+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.
+ * Fix ass_set_cache_limits() to affect total bitmap cache size
+ including composite bitmap cache.
+ * Number parsing fixes
+ * Fix illegal read when parsing some numbers in scientific notation
+ with huge exponents.
+ * Correctly evaluate numbers in scientific notation with large exponents.
+ * Correctly evaluate numbers with many leading zeros.
+ * Bug fixes found with fuzzing
+ * Fix a small memory leak in the parser.
+ * Fix illegal read in the parser on specially crafted input with \t tags.
+
+libass (0.13.4)
+ * Bug fixes found with fuzzing
+ * Fix memory reallocation in the shaper. (CVE-2016-7972)
+ * Fix two small memory leaks in the parser and test program.
+ * Fix illegal read in Gaussian blur coefficient calculations.
+ (CVE-2016-7970)
+ * Fix mode 0/3 line wrapping equalization in specific cases which could
+ result in illegal reads while laying out and shaping text.
+ (CVE-2016-7969)
+
+libass (0.13.3)
+ * Improve compatibility/portablility of build system,
+ should fix e.g. compilation on Solaris.
+ * Fix memory leak in DirectWrite font provider.
+ * Fix the rasterizer when rendering some large outlines.
+ * Remove hack that forced RTL base direction depending on font encoding.
+ * Greatly improve the internal caches with refcounting and gradual clearing.
+
+libass (0.13.2)
+ * Add ass_set_check_readorder() API function to disable use of the ReadOrder
+ field for duplicate checking in ass_process_chunk().
+ * ass_step_sub(track, now, 0) now finds the start of the subtitle at "now".
+ * Bug fixes
+ * Fix an issue with the new duplicate checking, which could lead to
+ missing subtitles after seeking.
+ * Fix a crash with CoreText under specific circumstances
+
+libass (0.13.1)
+ * Much faster duplicate event check in ass_process_chunk. This can
+ bring a large speedup for embedded subtitles with lots of events.
+ To make this possible, it is now forbidden to combine calls to
+ ass_process_chunk with any other method of manipulating the event
+ list, namely, manual manipulation and calls to ass_process_data,
+ ass_read_memory and ass_read_file.
+ * Interpret negative timestamp components as actual negative numbers.
+ This change increases compatibility with VSFilter.
+ * Font matching changes for VSFilter compatibility
+ * Look up fonts that contain PostScript outlines by their PostScript
+ name instead of their full names. Family names continue to be used
+ for all fonts.
+ * Keep spaces in font names
+ * Drop support for Fontconfig < 2.10.92 to ensure correct font matching
+ * Bug fixes
+ * Fix building the assembler code for the x32 ABI (GH #200)
+ * Fix static linking against libass through pkg-config when libass
+ uses libiconv
+ * Fix some small memory leaks, potential crashes and bad data uses
+
+libass (0.13.0)
+ * Add native font selection backends for OSX (CoreText) and Windows
+ (DirectWrite). You can now run libass without fontconfig on these
+ platforms. This fixes problems with fontconfig behaving badly on
+ these platforms (it could take minutes to scan all system fonts).
+ Even on Linux, this speeds up loading of embedded fonts (such as
+ provided by ass_add_font()).
+ The DirectWrite backend only works on Windows Vista and later. On
+ XP, fontconfig is still needed. libass can be compiled with both
+ DirectWrite and fontconfig, and then it will fallback to fontconfig
+ automatically if DirectWrite is not available at runtime.
+ * Add ass_get_available_font_providers() API function.
+ * Change the 4th parameter of ass_set_fonts(). This now selects the
+ font provider. This is somewhat backwards compatible with the old
+ behavior, but if you ever passed values other than 0 or 1, your
+ application might break with this libass release.
+ * The ass_fonts_update() function now does nothing. It's kept for
+ backward compatibility only.
+ * Much faster gaussian blur. This can bring a large speedup with big
+ blurred signs and such.
+ * Drop ENCA support
+ * Bug fixes
+ * Fix compilation of the freetype rasterizer (disabled by default)
+ * Fix rendering with some cases of consecutive line breaks (\N\N).
+ * Fix some memory allocation failure checks
+ * Avoid system locale dependent behavior by reinventing some standard
+ C functions
+ * Fix rendering errors with strikes (GH #193)
+ * MSVC compilation fixes
+
+libass (0.12.3)
+ * VSFilter blur compatibility changes
+ * VSFilter color/alpha parsing compatibility changes
+ * Bugfixes
+ * Fix some potential memory leaks and crashes
+ * Fix large timestamps (larger than about 600 hours)
+ * Fix a potential crash with the new rasterizer and complex fonts
+ * Do not apply user-configured line position to non-dialog events
+ * Strictly clip non-dialog events to the video rectangle
+
+libass (0.12.2)
+ * Add extern "C" guards to the public headers for C++ compatibility
+ * Improvements to style override API and implementation
+ * Bugfixes
+ * Fix some rasterizer bugs of unknown severity
+ * Fix a broken memset() of unknown severity
+ * Make timestamp parsing more lenient, which makes libass accept invalid
+ files accepted by most other ASS parsers
+ * Increase compatibility with broken ASS drawings accepted by VSFilter
+
+libass (0.12.1)
+ * Make ASS drawings with an extremely high number of control points work
+ This change increases compatibility with VSFilter.
+ * Bugfixes
+ * Fix a crash when using newer harfbuzz versions (GH #155)
+ * Load embedded memory fonts correctly
+ * Large shadow offsets rendered incorrectly (GH #142)
+ * Fix incorrect closing of last drawing contour
+ * Fix issues with undefined behavior in shifts
+ * Lots of of malloc() error checking
+
+libass (0.12.0)
+ * Implement fast quad-tree rasterizer in C and SSE2/AVX2 assembly
+ * Make \be animatable
+ * Add BorderStyle=4 (GH #105)
+ * Add selective style override functionality
+ * ass_set_selective_style_override()
+ * ass_set_selective_style_override_enabled()
+ * Support for assembly on DragonFly BSD
+ * Bugfixes
+ * Various parser fixes
+ * Fix premature parser exit on }{ in drawing mode (GH #75)
+ * Reset clipping mode on every rectangle clip
+ * Improved error handling for FriBidi and FreeType (GH #131)
+ * Fix bitmap combining cache
+
+libass (0.11.2)
+ * Improve yasm version check
+ * Fix \fscx0 crashes
+ * Actually export ass_library_version
+ * Fix change detection with vector clips
+ * SIMD assembly bugfixes
+ * Parse drawing numbers as floats (GH #63)
+ * Fix shaper sign bug (GH #68)
+ * Initialize \pbo correctly (GH #74)
+
+libass (0.11.1)
+ * Fix distfile generation
+ * No functional changes
+
+libass (0.11.0)
+ * Add bitmap run combining/compositing
+ This changes the text rendering model and increases compatibility with
+ VSFilter. It may make rendering faster or slower in certain cases.
+ * Add AVX/SSE2 implementations for \be and compositing
+ This adds yasm as (optional) build dependency.
+ * Add ass_library_version() API funcion (GC #113)
+ * Add 'profile' program for benchmarks
+ * Improve gaussian blur
+ * Fix compilation with MSVC 2013
+ * Speed up HarfBuzz shaper
+ * Speed up cache
+ * Notable compatibility bugfixes
+ * Reset origin on \fay changes (GC #88)
+ * Tons of parser fixes
+ * Fix ascender/descender metrics (GH #8)
+ * Fix \pbo sign and scaling
+ * Don't reset wrap style on \r (GC #116, GH #45)
+ * Notable bugfixes:
+ * Correctly handle @font advance (GC #94)
+ * Disable ligatures for non-zero \fsp
+ * Make sure to release vector clip (GH #22)
+
+libass (0.10.2)
+ * API additions and some ABI changes, bumped SONAME
+ * Expose header field for VSFilter color mangling (GC #87)
+ * Add functions for explicit scaling hints (GC #6)
+ * Add 'type' field to ASS_Image (GC #31)
+ * Workaround Freetype's font size grid-fitting where appropriate
+ * Apply blur to both glyph and border when using opaque box
+ * Parser bugfixes
+ * Parse angles in style as number
+ * Fix fallback event formats
+ * Make closing ')' optional for some tags
+ * Fix crazy VSFilter behaviour for \move (GC #90)
+ * Make \r fall back to line style (GC #104)
+ * Parse style name like VSFilter
+ * Ignore junk in nested \t tags
+ * Make \clip tag arguments mandatory
+ * Properly handle script and language in the HarfBuzz shaper
+ * Allow ASS_Track and ASS_Renderer to have different ASS_Library
+ * Fix stroking in some rare cases
+ * Correctly handle @font advance (GC #94)
+ * Fix ascent/descent for some fonts (GC #106)
+ * Fix ass_step_sub to not require sorted events
+ * Fix blur scaling
+ * Don't mutate input strings (GC #88)
+ * Remove/change some error messages
+ * Fix various small memory leaks
+
+libass (0.10.1)
+ * Fix letter spacing
+ * Add \rSTYLENAME syntax support (GC #43)
+ * Fix border generation and border style reset (GC #56)
+ * Fix various issues with bug-for-bug compatibility of
+ transformations (\fax, \fay, etc.) to VSFilter (GC #46, GC #42)
+ * Fix drawing parsing (GC #47)
+ * Various fixes to shaper (GC #54, GC #55, GC#59)
+ * Fix change detection
+ * Add ass_set_line_position API to set a vertical subtitle offset
+ * Fix scaling of drawing baseline offset (\pbo) values
+ * Fix skipping of zero-width characters for FriBiDi shaper
+ * Use LTR text base direction by default, similar to VSFilter
+
+libass (0.10.0)
+ * Bidirectional layout and Arabic shaping via FriBidi (GC #13)
+ * OpenType shaping via HarfBuzz-ng (GC #13)
+ * Add API for shaper configuration
+ * Add support for `Language' Script Info property, this can be used for
+ hinting the text language
+ * Vertical layout improvements
+ * Use `vert' and `vkna' OpenType features for vertical glyph variants
+ * Position rotated glyphs onto baseline
+ * Parse font encoding property for base text direction hinting
+ * Refactor cache system
+ * Use generic outlines in place of FreeType glyphs
+ * Direct outline bitmap rendering
+ * Fix whitespace trimming (GC #35)
+ * Do not render border if there's no shadow or glyph (GC #29)
+ * Adjust spacing after a italic to non-italic style change (GC #37)
+ * Fix fade timing
+ * Fix x positioning with borders (GC #27)
+ * Build system tweaks
+
libass (0.9.12)
* Switch to permissive (ISC) license
* Support \fs+ and \fs- syntax for modifying font size
projects / libass / blobdiff