v5.0

• new features:
  • auto-fullscreen, alt-tabbing with window previews #140
  • keycloak authentication (requires xpra server version 4.4 or later) #164
  • support pre-mapped windows (requires xpra server version 4.4 or later) 86f9a6e
  • support clipboard pasting file into the session #44
• picture encoding:
  • decode images using an offscreen worker thread #122
  • decode avif images 29ffa3f, grayscale and palette png 8f9ce2e
  • handle void paint packets 8c5b460
  • increase default non-vsynced target framerate e5a5d4f
  • tell servers to use 'scroll' encoding less aggressively dc3077b
• minor improvements:
  • detect inverted vertical scrolling (ie: on MacOS) #138
  • improved dead key mapping for non-us layouts #1, #142
  • build script refactoring #7, #162, #149
• fixes and updates:
  • 64-bit rencode decoding bug with Safari (and IE) d5badd5
  • notification errors with bencoder a9292f3
  • avoid popping up the on-screen keyboard on mobile touch events #147
  • updated on-screen simple-keyboard UI (#157) and file saver library f05516e
  • shifted characters with simple-keyboard #156
  • prevent stuck keys #137
  • focus and raise windows when their title bar is clicked 27b823b, #148
  • spurious focus events when minimizing windows ec2d300
  • fix AES encryption when used with authentication and rencodeplus 0d2d584