Pyglet

Bugfixes
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- Explicitly set Window size in game example. (116)
- Prevent crash when checking if FFMpeg is available. (121)

Bugfix and small improvement release

Bugfixes
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- Fix TextLayoutGroup consolidation when using custom Groups for Labels.
- FFmpeg: Cast 'date' to string instead of int in file_info. (109)
- Fix ctypes error causing by incorrectly specifying a Union as an argtype. (112)

Improvements
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- Added a simple 2D Camera example to examples/camera.py in the repository.
- OSX: OpenGL context creation is more lenient with requested versions.

Bugfixes
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- FFmpeg: fix an occasional crash during seek operation.
- Revert Event Dispatcher changes from v1.4.7 due to possible bug.
- Linux: Warn on failure to set vsync, instead of crashing.

Bugfixes
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- Allow creation of non-power-of-two compressed Textures. (78)
- Fix EventDispatchers surpressing `AttributeError`s. (87)
- Fix external lib loading on Windows under Python 3.8. (90)

Improvements
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- Windows: Add support for `Desktop Window Manager` composition for smoother rendering.
- TextureAtlases allow a single pixel border to avoid rendering artifacts.
- Add support for `conda`-installed FFmpeg on macOS (92)

Bugfixes
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- Fix PNG encoder saving upside-down images due to incorrect pitch. (83)
- pyglet.info shows more platform specific information.

Improvements
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- Documentation has been rebased on the standard RTD theme.
- Other documentation clarifications and improvements.
- New `MouseStateHandler` convenience class.

Bugfixes
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- Fix Allocator creating orphaned regions.
- Allow npot compressed texture loading.
- Fix MachOLibraryLoader failing on lib names containing extra "."s.