1.4.0 Development Snapshot 2

Posted on February 26, 2021 by Robert Adam

After the first snapshot has been released on Christmas last year (2020), we now present you an updated version of the snapshot version of the upcoming feature release 1.4.0.

After having understood what it means for a release to be a snapshot release (see below), you can download the new version from our Downloads page.

Development Snapshots

A development snapshot can be considered an open-beta for an upcoming feature release. This means that it contains the latest and greatest features that were introduced since the last feature release. Note though that in contrast to a release candidate the list of features that will be included in the final 1.4.0 release is not yet frozen and is thus subject to change.

This does also mean that these features have not been tested by a broad audience yet and are therefore likely to still contain bugs. These could be minor ones, but in theory these could also be major. Therefore it is important that you always back up your data (e.g. configuration files) if you have a previous version of Mumble installed.

Due to the reasoning stated above, we do not recommend using snapshots in an environment where stability of the software is key (e.g. in a business context).

That being said though, we strongly encourage you to try snapshots out if you are a tech-savvy person that can deal with potentially arising problems and report any problems you encounter to our issue tracker. This kind of feedback is very important for us to be able to make the actual release as stable and reliable as possible.


The changes listed here are relative to the last snapshot version. Note also that the development snapshot also includes all fixes that were shipped in the recently released version 1.3.4.


  • Added: “starttalking” and “stoptalking” to the socket RPC interface (#4754)
  • Added: New icons (padlocks, new talking state, listener symbol) to “What’s this?” (#4690)
  • Added: DBus calls to toggle mute and deaf state (#4667)
  • Added: Prompt user for microphone permission on macOS if not granted already (#4676)
  • Added: Echo Cancellation for macOS (#4694)
  • Fixed: Various issues in the “About” dialog (#4785)
  • Fixed: Channel description available via lock icon (#4688)
  • Fixed: Crash when pressing Esc in nickname dialog (#4671)
  • Fixed: Don’t show URL password in clear text in chat log (#4779)
  • Fixed: Duplicate keyboard shortcut “c” in server browser (#4777)
  • Fixed: Fix protocol version not being set correctly (#4683)
  • Fixed: Wrong “Image not supported” message (#4661)
  • Fixed: Crash after rename (#4764)
  • Fixed: Issues with Mumble URL versioning (#4778)
  • Improved: Shortcut representation and interaction in settings (#4722)


  • Changed: Make default max bandwidth the highest supported (#4700)
  • Fixed: Fix protocol version not being set correctly (#4683)
  • Fixed: Older clients not being warned about ChannelListener (#4689)

Positional audio plugins

  • Updated: Among Us plugin to work with v2020.12.09s (#4663)