New features:

HDR is now supported on Steam Deck and other HDR-capable Linux systems using a new Vulkan-based renderer
Vulkan Video decoding of H.264, HEVC, and AV1 is now supported using the new Vulkan renderer
Full E2E stream encryption is now supported when streaming from Sunshine v0.22 or later
Initiating a stream via the command-line will now automatically wake the target machine if it is sleeping
Error codes are now displayed in the connection termination dialog
Detailed PC state information is now available via the new "View Details" context menu option (similar to the Android client)
The performance overlay can now be configured to be shown by default when starting a stream

Behavior Changes:

The selected bitrate is no longer silently adjusted by Moonlight based upon the video codec or HDR mode
The selected mouse mode when starting a stream no longer influences the acceleration curve when the mouse mode is toggled using the Ctrl+Alt+Shift+M key combo while streaming
Hardcoded fallback paths for VAAPI and VDPAU drivers are no longer used
Per-session keys (rikey and rikeyid values) are now automatically stripped from logs
Log messages will now be logged to stderr rather than stdout
EGL is now always used instead of GLX for loading OpenGL in X11 environments on non-x86 platforms

Bugfixes:

Improved reliability of streaming during momentary drops of WiFi connections
Improved performance with high polling rate mice
Improved input latency when a gamepad is connected
Added missing command-line options to control HDR and AV1 codec usage
Fixed instant connection termination error when streaming over the Internet behind certain Carrier-Grade NAT devices
Fixed incorrect MTU detection when streaming over the Internet without a VPN
Fixed recovery of audio when no audio output device is present when the stream starts
Fixed merging of gamepad state when multi-controller mode is disabled
Fixed indefinitely resending mDNS queries when a host could not be resolved
Fixed inability to pair when the host is not using a RSA-2048 key
Updated included gamepad mappings
Updated community-contributed translations from Weblate

Moonlight

Install on Linux