BigBlueButton 4.0.0-beta.4 released!

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Anton Georgiev

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Jul 23, 2026, 11:14:28 AM (4 days ago) Jul 23
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We are pleased to announce BigBlueButton 4.0.0-beta.4!

This beta defaults BigBlueButton's media stack to LiveKit (with the legacy SIP.js audio bridge removed), makes BlockNote the default shared notes engine (now with Markdown export, init-from-markdown, and an import modal), and upgrades the JVM libraries and applications to Java 21. Other highlights include search, pin management, and a list/grid view toggle in the apps gallery, a new design for sidebar notifications and the participant counter, larger rendering for emoji-only chat messages (jumbomoji), configurable plugin button styles, and removal of the BBB Recording IMEX library as well as of several deprecated create/join parameters (lockSettingsDisableNote, userdata-bbb_change_layout, per-user enable-user-reaction). On the packaging side, bbb-webhooks is now built together with the other packages and YAML editing in scripts moved to yq-go. Below is a list of the pull requests in this iteration, grouped by component. Pull requests already released in BigBlueButton 3.0.x (3.0.28 through 3.0.32) and merged forward into 4.0 are not repeated here - see the corresponding 3.0.x release notes.

Linked is a list of the pull requests in this iteration, grouped by component.

Link to installation command / instructions/ features:
https://docs.bigbluebutton.org/4.0/administration/install/

The full release notes are here

If you want to report any potential security issues with BigBlueButton, please check https://github.com/bigbluebutton/bigbluebutton/security/policy#reporting-a-vulnerability

As always, we welcome feedback on this latest update.
Anton and team
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