Thunderbird 148 Content Plan

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#123 opened on Jan 17, 2026 0 comments 0 reactions 1 assignee View on GitHub

@rtanglao is already working on this.

Since Mar 17, 2026.

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tb148

UPDATE: 2026-02-02 NTLM appears mostly done because 1995024 and 19982456 are both fixed but might have an edge case bug: 2013756 --> NTLM might be in 147 or possibly later: see Bug 1995024: Implement NTLM support for EWS Initial support is there but blocked on full support by Bug 1998426: Control the amount of in-flight requests by EWS clients (per Eleanor in Matrix: because we're overwhelming the server with too many requests currently.) (moved from 146)
Moved to 148: 2025-11-13 Yahoo (for ATT and AOL (other providers don’t use OAuth currently e.g. Comcast which has its own)) change landing in Daily in the next few days november 13. Existing users will get a prompt to add permissions for Address Book and Calendar. Potentially landing in TB147 or TB148 release. In app notification for yahoo To be confirmed. Bug 1999291: Update Yahoo and AOL Oauth to use PKCE ; Bug 1999998: Populate boolean pref when Yahoo or AOL Oauth seen
#134 moved to 150 Content Plan, i.e. #135

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