Mumble 1.3.3 Release Announcement

Posted on October 5, 2020 by Robert Adam

The Mumble team has released version 1.3.3 of the Mumble VoIP application. This is a bugfix and security release of the current and stable 1.3 series.

You can download the new version from our Downloads page or the GitHub release page or from within your Windows client or software package management system.

Changes in this Version


  • Fixed: Chatbox invisble (zero height) (#4388)
  • Fixed: Handling of invalid packet sizes (#4394)
  • Fixed: Race-condition leading to loss of shortcuts (#4430)
  • Fixed: Link in About dialog is now clickable again (#4454)
  • Fixed: Sizing issues in ACL-Editor (#4455)
  • Improved: PulseAudio now always samples at 48 kHz (#4449)


  • Fixed: Crash due to problems when using PostgreSQL (#4370)
  • Fixed: Handling of invalid package sizes (#4392)

Known issues

  • Overlay blocked by BattleEye. A request to whitelist it has been made.
  • Overlay blocked by CS:GO Trusted Mode.


  • The static server binary for Linux is using an outdated version of OpenSSL - see for details. This warning only applies to the package released by us named murmur-static_x86. It does not apply to our Ubuntu PPA releases or other maintained packages.