Release v20.12.0

[zmerp]

Changes

• Clarify distinction between bitrate and throughput in dashboard graphs (by @zmerp refactor(streamer): ♻️ Clarify distinction between bitrate and throughput #2423)
• Add Quest 3S, Pico 4 Ultra, Vive Focus Vision support (by @zmerp feat(client): ✨ Add Pico 4 Ultra support #2466 fix(client_openxr): 🐛 Fix controllers profile for Pico 4 Ultra #2470 fix(client_core): 🐛 Fix Pico 4 detection; add Focus Vision #2479)
• Fix crash on Focus 3 (by @zmerp fix(client_openxr): 🐛 Fix crash on Focus 3 with 0 timestamp #2440)
• Add Nvidia AV1 support on Windows (by @shinyquagsire23 feat(server_openvr) NVENC AV1 support #2438)
• Fix IDR resend (by @Vixea fix(server): 🐛 Fix IDR resend logic #2403)
• Fix tilt mode origin (by @zmerp)
• Negotiate some image calibration settings (by @shinyquagsire23 feat(dashboard): Client overrides for OLED-pertinent encoding settings (10-bit, encoding gamma, etc) #2442)
• Fix firmware rules on Linux (by @storfors Create iptables folder during firewall set up if it doesn't exist. #2457)
• Add VMC support (by @grillo-delmal Publish tracking data through VMC Protocol #2461)
• Add reprojection support on SteamVR/Windows (by @shinyquagsire23 feat-fix(server_openvr): Add timewarped compositing to Windows OpenVR compositor #2472)
• Add passthrough support for lobby and streaming (by @zmerp feat(client): ✨ Make lobby use passthrough #2485 feat(client): ✨ Add passthrough alpha support #2527)
• Add Quest Pro emulation mode (by @shinyquagsire23 feat(server_openvr): Add Quest Pro controller and headset emulation; Use VRLink hand tracking icons for the hand tracker controllers; Misc refactoring to reduce prop.rs linecount #2489)
• Add integrated wired mode support (by @E1int feat: integrate adb port forwarding #2451)
• Fix high system resources usage before streaming (by @shinyquagsire23 fix(server_openvr): Fix CPU/GPU deadlocking at 100% usage before the headset connects #2495)
• Ignore "Overlapped IO" error (by @zmerp fix(sockets): 🐛 Ignore error 997 (overlapped IO) #2522)
• Launch client when installing with launcher (by @E1int refactor(launcher): refactor client APK installation from launcher #2531)
• Some fixes for head and controllers tracking (by @zmerp fix(client_openxr): 🐛 Fix head angular velocity #2577 fix(client): 🐛 Fix controller angular velocity for some devices; show velocities in lobby #2608)
• Fix launcher PPI on Steam Deck (by @Vixea fix: properly scale launcher on the steamdeck #2585)
• Fix dashboard and launcher positioning on Wayland (by @Kirottu Made the dashboard and launcher report respective appids to the system #2595)
• Fix gestures being triggered when using multimodal or joycons with Apple Vision Pro (by @zmerp fix(server_core): 🐛 Don't trigger ALVR gestures if holding controllers #2606)
• Fix grayish blacks (by @shinyquagsire23 Full range wgpu partial fix #2597)
• Add Virtual Audio Cable support (by @DevanWolf Add support for Virtual Audio Cable #2483)
• Make trailer and recreate artwork by @issacdowling
• lots of refactoring, CI and wiki changes

[The-personified-devil]

The commits LGTM, seems nothing in there would constitute a breaking protocol change