v1.21.1 desktop_v1.4.25
Stirling-Tools/Stirling-PDFSep 20, 2026 → Sep 20, 20260 days between releases
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Analyzing what changed between v1.21.1 and desktop_v1.4.25. This page updates automatically — usually within a minute.
The Two Releases
v1.21.1
v1.21.1
Sep 20, 2026· 1 month ago
A maintenance release addressing security, stability, and protocol handling issues across RTSP, RTMP, HLS, and WebRTC. It fixes H265 DTS extraction, AV1 padding issues, and enforces origin checks for browser POST requests.
Full release notes