mumble

v1.5.901 Bugfix

This release fixes issues for SREs watching stability and regressions.

Published 12d Communication & Email

✓ No known CVEs patched

✓ No known CVEs patched in this version

Topics

audio client cmake cross-platform gaming linux

+6 more

macos quality-voice-chat server voicechat voip windows

ReleasePort's take

Light signal

editorial:auto 12d

Version v1.5.901 resolves crashes on Windows server when the "bonjour" option is enabled.

Why it matters: Fixes critical instability; upgrade to v1.5.901 immediately if using Windows server with bonjour enabled.

AI summary

Fixed Windows server crashes caused by enabling the "bonjour" option.

Type	Severity	Summary	CVE
Bugfix
Bugfix	Medium	Fix Windows server crashes when "bonjour" option is enabled. Fix Windows server crashes when "bonjour" option is enabled. Source: llm_adapter@2026-05-22 Confidence: high	—
Bugfix	Medium	macOS binaries not signed or notarized. macOS binaries not signed or notarized. Source: llm_adapter@2026-05-22 Confidence: high	—
Bugfix	Medium	Overlay blocked by CS:GO Trusted Mode. Overlay blocked by CS:GO Trusted Mode. Source: llm_adapter@2026-05-22 Confidence: low	—

Full changelog

This is the fourth stable release of the 1.5 series.

Release announcement: https://www.mumble.info/blog/mumble-1.5.901/

Windows server crashing when bonjour option is enabled. Disable this option for now to fix the crash #7071
macOS binaries not being signed/notarized #4263
Overlay blocked by CS:GO Trusted Mode

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About mumble

Mumble is an open-source, low-latency, high quality voice chat software.