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)...
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Microsoft has acknowledged a confirmed regression in its August 2025 cumulative updates that can produce severe stuttering, lag and choppy audio/video in NDI‑based streaming workflows on machines updated to Windows 11 version 24H2 and certain Windows 10 servicing branches.
Background / Overview...
Microsoft’s August cumulative updates have introduced a hard-to-ignore problem for streamers and live‑production teams: NDI streams that previously ran flawlessly on local networks now stutter, drop frames, or produce choppy audio after installing KB5063878 (Windows 11) or KB5063709 (Windows...
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windows update
The August 2025 Windows 11 cumulative update (KB5063878, OS Build 26100.4946) introduced a networking regression that is causing severe stuttering, lag, and choppy audio/video in NDI-based streaming workflows — a problem Microsoft has confirmed and that currently requires configuration...
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kb5063878
live streaming
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os build 26100.4946
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windows 11
Microsoft has formally acknowledged that its August 12, 2025 cumulative security update is responsible for severe stuttering, lag and choppy audio/video in NDI-based workflows on affected Windows 11 and Windows 10 builds, and vendors and community engineers have published an immediate—but...
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Microsoft has confirmed that its August 2025 security updates can break NDI-based streaming on affected Windows PCs, producing severe stutter, dropped frames, and choppy audio/video when Network Device Interface (NDI) is used with its default Reliable UDP (RUDP) transport — a regression that...
broadcast tech
display capture
it admin
kb5063709
kb5063878
live production
ndi
ndi access manager
ndi rudp
ndi tools
network transport
obs
real-time video
single tcp
udp legacy
video streaming
vmix
windows 10
windows 11
windows update