FOSDEM/2026

Dates

31st January & 1st February, 2026

Stand

This year, Mozilla and Thunderbird will have a stand in building F (Level 0) (see a map of the ULB campus).

Room

• Room Browser and web platform

Community Meetup

Similar to last year, we're organizing a community meetup. You can find more information on https://fosdem.org/2026/schedule/event/HBD9PE-mozilla-community-meetup-and-workshop/

Talks by Mozillians

Browser

• Kick off browser and web platform devroom

Firefox

• Browser in 2026 (panel discussion)
• Cleaning Up Local Mess: Firefox's Implementation of Local Network Access
• The Fast and the Spurious: Congestion Control Experimentation in Firefox's QUIC stack
• Modern Network Protocols — What’s Next for Firefox and the Web?
• Intro to WebTransport - the next WebSocket?!

Thunderbird

• A short story of supporting Microsoft Exchange in Thunderbird
• What translating Thunderbird taught me

Community

• Mozilla Community Meetup