v3.1.4

• major fixes:
  • correctly wait for worker threads to terminate
  • workaround new broken python3-uinput packages on Fedora
  • more robust version parsing
  • missing X11 error context in XI2 input bindings
  • clipboard errors on Microsoft Windows (regression in 3.1.3)
  • timestamp clamping code could swallow X11 client messages
  • add capability authentication module
  • match display size exactly with RandR 1.6
• keyboard:
  • xkb rules name parsing error with Python 3
  • avoid errors when there is no keyboard config
  • fallback keycode mapping errors
• build, packaging and platforms:
  • support the latest version of gtk-mac-bundler
  • pyobjc libffi crash workarounds
  • Cython 3.0.0b1 compatibility
  • ffmpeg v6 compatibility
  • support for RHEL 9.x and clones
  • missing systray dependency on Debian and Ubuntu
  • build only python3-xpra DEBs for newer distributions
  • DEBs switched to pybuild
  • build errors with latest Python
  • MS Windows unregister class reliably
  • MS Windows errors building the C++ modules
  • use symlinks for CUDA path on MS Windows
  • use standardized paths for new repo build scripts
  • missing checksums and dependencies for some RPM spec files
  • Python2 compatibility fixes
  • make it possible to override build options on MacOS
• network:
  • add rencodeplus
  • better compatibility with newer versions: emulate the command Posix command
  • handle version generic requests
  • websocket fixes: python2 compatibility, error handler
  • proxy should not try to recompress strings
  • IPv6 parsing errors
  • support newer versions of python-cryptography
  • silence OpenSSL3 + pycryptography legacy warning
  • workaround for missing paramiko dependency on python3-invoke (ie: Fedora)
  • safer paramiko lookup functions
  • ldap 'username_format' option can be set using an environment variable
• cosmetic:
  • more helpful connection failure messages
  • handle config file parsing errors more gracefully
  • free wrapper explicitly to avoid warnings in webp decoder
  • errors in xsettings watcher
  • avoid errors deleting the temporary print file
  • MacOS doesn't have an XDG_RUNTIME_DIR
  • catch missing python-dbus earlier
  • avoid errors when python-xdg is not installed
  • don't assume the peer is 32-bit when unspecified
• encodings:
  • only enable an encoding if we have an encoder for it
  • avoid video for small sizes
  • honour XPRA_ALPHA environment variable in client
  • validate x264 encoder dimensions to prevent potential crashes
  • fix transparency saturation: use premultiplied alpha with pillow and webp
  • numpy import race condition
  • expose IDR frame type in NVENC