Microsoft has confirmed that its August 12, 2025 cumulative updates introduced a serious regression that causes severe stuttering, lag, and choppy audio/video in NDI‑based streaming workflows on affected Windows 11 and Windows 10 builds — a defect tied to NDI’s default RUDP (Reliable UDP)...
av
av production
broadcast it
broadcasters
display capture
it administration
kb5063709
kb5063878
known issue rollback
live streaming
ndi
ndi access manager
ndi rudp
ndi tools
network transport
obs
out-of-band update
patch tuesday
release health
security update
single tcp
streamingstreamingstutter
udp legacy
video latency
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windows 10
windows 11
windows release health
windows security updates
The August 2025 Patch Tuesday cumulative for Windows 11 (KB5063878) has introduced an unexpected and painful wrinkle for live broadcasters: NDI-based streaming through OBS and other production tools can stutter, lag, and drop frames — even on healthy networks — and Microsoft has acknowledged the...
broadcast production
display capture
it administration
kb5063878
known issue rollback
live streaming
multi-pc workflows
ndi
ndi access manager
ndi receive mode
ndi tools
obs
patch tuesday
rudp
streamingstutter
tcp
udp
video over ip
windows 11
windows update