iOS Roadmap

Active

• iOS Create Protocol, Database, & FrameworkImplement the IMAP protocol first as it's the most widespread protocol currently in use.
• Full Email Writing and Reading ExperienceImplement the full reading and writing email experience on mobile, including initial support for encrypted messages (OpenPGP and S/MIME with existing libraries).

Planned

• JMAP SupportSupport the JMAP protocol as one of the first extra protocols we ship with by default outside of IMAP.

Shipped

• Account Creation FlowImplement a full automated and manual setup, including autodiscovery and OAuth.
  March 2026
• ArchitectureEstablish a robust and scalable architecture to begin the Thunderbird for iOS project and create the backend. This architecture will include strategies for code sharing across platforms, taking into account the Android and Desktop clients.
  July 2025
• AutoconfigurationAdd DNS MX lookup to autoconfig feature library and move SRV record lookup into autoconfig feature library and delete Autodiscover core library
  September 2025