UltraGrid is a Free Windows program in the Other category, developed by Czech Educational and Research Network. The current version is 1.10.7; you can download it safely from its official source with the download button above.
๐ Release notes (1.10.7)
Built 2026-06-23T14:52+00:00
Changes:
โข added reflector wrapper handling both audio+video
โข Cineform can be decoded through lavd (if native not compiled)
โข vo_pp,cf/text performance improved
โข AJA๏ผuse new libajantv2 open-source library instead of old ntv2 one
โข enable multithreading for some less common lavc encoders (eg. OpenH264)
โข vcap/decklink๏ผimprove profile handling, support for topological ID
โข cmpto_j2k๏ผsupport for CPU implementation, added R12L CUDA conversion
โข vcap/dshow๏ผsupport for OBS virtual camera
โข add audio filter channel_remap for remapping on sender
โข improve FEC resilliancy if traffic is low
โข vcap/rtsp๏ผsupport for authentization, stability fixes
โข vcap/rtsp (recv), rxtx/rtsp (send)๏ผsupport for HEVC and JPEG
โข SDL3 support
โข full Wayland support, including GUI, OGL, Vulkan [Linux]
โข GUI๏ผsupport for server/client mode
โข support for DeckLink IP features
โข audio conference mode supports passive (listen-only) participants
โข compilation supported on BSD systems
โข support for Samsung's Advanced Professional Video (via FFmpeg)
โข updated DELTACAST codebase (support for new cards, formats)
Fixes since last release:
1.10.6
โข use latest AJA SDK
โข fix audio network packets not being freed under some conditions
โข trafic shaper - use CLOCK_MONOTONIC - this prevents freeze in Win when resuming from S3 sleep
โข really add files required to run standalone configure without the need for autoconf/automake
โข [v4l2] fix use-after-free (hopefully just dev name not print)
โข [acap/portaudio] fix some cap devices not shown in help
โข [portaudio] improved exitting (fix a crash)
1.10.5
โข fix seldom audio corruption
โข fix presentation of portaudio devices in help
โข add configure (user doesn't need autoconf/automake)
1.10.4
โข fix default VP9 on x86-64 pre v3 (wo AVX2). But the libvpx-vp9 seem to be better encoder than libsvt_vp9 in any case.
โข fix crash on querying directshow devices (GH-493)
โข compilation fixes of various seldom used modules
1.10.3
โข screen_avf๏ผfix swapped name/dev in probe (for GUI)
โข compliance with Apple Dev Program (explicit recording notice
if screen capture or Core Audio device is used)
โข reenable CFHD decoding fallback with lavd
โข fixed some small lavd regression when some decoders unavail
1.10.2
โข fix Vulkan display crashing on keypresses in console
โข fix GL display show/hide cursor keybind
โข fix control port argument in hd-rum-translator (GH-482)
โข added 2 conversions for Videotoolbox 10b encode (GH-479, GH-480)
โข modified hevc_videotoolbox not to default to 4:2:0 (GH-480)
โข bundle libdecor so that the windows (GL/SDL/Vulkan) have decorations in Wayland
โข make SPOUT running again (GH-487)
โข fix VDPAU being advertised/used with GL even when undesirable
โข fix GPUJPEG subsampling detection (probe, by updated GJ upstream)
โข ported AV Foundation vcap from master so that it can be used as a screen capture for macOS Intel builds (the old Core Graphics cannot be built anymore) (GH-485)
1.10.1
โข fix temporarily broken r12l_to_gbrp16le (GH-476)
โข missing arm64 macOS dependency on brotlicommon (GH-478)
โข add libOpenGL.0.so library fallback to Linux AppImage
โข fix Pipewire screen capture not starting
โข build fixes
โข reenable AV Foundation (not being enabled on macOS)
โข fix decoding ProRes (GH-481)
Full changelog๏ผhttps://github.com/CESNET/UltraGrid/commits/v1.10.6
All release notes โ โ
SHA-256: 0CE411BE8C8374F997D3C421C2D700F8A484BC824DF5C9D9423846D1EB8AEE89 Check on VirusTotal โ