Changes from 5.2.6 to 5.2.7 (March 2021)

The main developers this time were: SiegeLord, Peter Hull, Elias Pschernig,
Aldrik Ramaekers, Andreas Rönnquist.

Build system:

• Allow generating projects with a suffix (lorry-lee).

• Fix build under Clang-CL in Visual Studio.

Core:

• Avoid some undefined behavior errors.

• Return key modifiers in ALLEGRO_EVENT_KEY_UP and ALLEGRO_EVENT_KEY_DOWN.

• Allow calling al_map_* color functions before Allegro is initialized.

• Allow minimum bitmap size to be something other than 16 on non-Android
  platforms (controlled via allegro5.cfg).

• Add al_get_monitor_refresh_rate (only implemented on Windows for now).

Graphics:

• Fix ALLEGRO_KEEP_INDEX flag for bitmaps.

• Add ALLEGRO_OPENGL_CORE_PROFILE display flag.

Emscripten:

• The experimental Emscripten support (via the SDL backend) is now documented
  in README_sdl.txt.

OSX:

• Move more Cocoa operations to the main thread.

• Explicitly link CoreVideo to fix the static build.

Windows:

• Issue #1125: Speed up OpenGL extension detection (Tobias Scheuer).

• Use Unicode APIs when enumerating joysticks.

• Use WM_DEVICECHANGE rather than polling to detect joystick hotlugging,
  reducing input drops and lags (Todd Cope).

• Fix joystick polling period.

• Restore WinXP compatibility by using slightly older API when loading shared
  libraries (Julian Smythe).

• Fix build with HLSL disabled (Julian Smythe).

• Raise DirectInput MAX_JOYSTICKS to 32 and DEVICE_BUFFER_SIZE to 128.

SDL:

• Issue #1224: Fix bug in SDL voice driver.

Audio addon:

• Allows playing sounds in reverse by specifying a negative speed.

Acodec addon:

• Fix edge-case looping in Ogg Vorbis stream (Cody Licorish)

Audio addon:

• Use more sensible values for PulseAudio's playback buffer, potentially
  resolving some crashes and high CPU usage.

Native Dialog Addon:

• Migrate from GTK2 to GTK3. Sadly, we lose menu icons as GTK3 dropped support
  for them.

TTF addon:

• Allow initializing TTF addon before the Font addon.

• Shut-down the TTF addon automatically in al_uninstall_system.

PhysFS addon:

• Fix handling of native path separators.

• Stop using deprecated PhysFS API.

Primitives addon:

• Fix segfault in al_draw_ribbon when num_segments > 128 (Rodolfo Borges).

• Issue 1215: Correctly handle small scales when determining subdivision level
  for high level primitives (Robin Heydon).

Documentation:

• Fix LaTeX errors in the generation of the reference manual PDF.

• Add links to examples into the reference manual.

• Allow pressing 'S' to focus the search bar in the docs.

• Assorted documentation improvements.

Misc:

• Add a security policy and an associated private security mailing list -
  allegro-security@lists.liballeg.org.

• Add Emscripten-powered examples to https://liballeg.org/examples_demos.html.

Examples:

• ex_audio_simple now displays instructions and supports bidirectional looping.

• Add default files to some audio examples.