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Release 0.17.2

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@TheOneric TheOneric released this 19 May 02:52
· 17 commits to master since this release
0.17.2
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TheOneric Oneric
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This release brings optimized assembly routines for aarch64, as well as numerous individual improvements and fixes.

Furthermore, Meson/muon is added as a secondary build system restoring first-party support for MSVC builds. Note however, this build setup is not at feature parity with autotools and in particular not considered suitable for packaging purposes on non-Windows platforms. For more details see our README.

Detailed Changes:

  • Fix rendering of \h in certain cases
  • Fix a minor memory leak in the CoreText and DirectWrite font provider
  • Fix wrong ASS_Image dimensions for huge BorderStyle=4 backgrounds potentially leading to out of bound reads by API users
  • Improve quality of animated rectangular clips
  • Improve accuracy of cache limits
  • Full-Unicode cmaps are now always preferred
  • Improve font selection compatibility in the DirectWrite font provider
  • Improved documentation
    • Color mangling notes in ass_types.h were updated for tone mapping and HDR video
    • Guidelines for producing portable ASS files can now be found in our wiki
  • Updating selective overrides now forces a cache clear to avoid issues with outdated caches
  • Frame and storage resolutions are now limited to what a single ASS_Image can represent
  • make check now runs checkasm if assembly is enabled
  • CoreText can now be used on Mac OS X 10.5
  • Meson/muon is now offered as a secondary build system bringing back first-party MSVC support
    Note however it is not at feature parity with autotools in all cases
  • aarch64: add optimized assembly routines covering the same set as on x86; they work on both little and big endian systems
  • x86: add SSSE3 versions of some assembly routines to help CPUs without AVX2
  • x86: it is now possible to build binaries with optimized assembly and SHSTK support
  • Improve VSFilter compatibility:
    • Trailing spaces are no longer trimmed from style and event string fields (this does not affect Text)
    • All BiDi paragraph separators now delimit BiDi runs
    • Fix treatment of font weights < 10
    • Match GDI's faux italic slant
    • Employ faux italics and faux bolding in the same cases as GDI
    • Better match font selection with regard to italic and weight
    • Treat empty Style name as "Default"
    • Various drawing fixes
      • Reject drawings not starting with a valid m command or invalid m followed by valid n
      • Drop coordinates following invalid commands rather than appending them to the prior command
      • Ignore p commands without enough preceding nodes
      • Partially fix s and p commands used outside of a properly closed b-spline sequence
Assets 6