Synapse 1.106.0rc1 (2024-04-25)

Features

• Send an email if the address is already bound to an user account. (#16819)
• Implement the rendezvous mechanism described by MSC4108. (#17056)
• Support delegating the rendezvous mechanism described MSC4108 to an external implementation. (#17086)

Bugfixes

• Add validation to ensure that the limit parameter on /publicRooms is non-negative. (#16920)
• Return 400 M_NOT_JSON upon receiving invalid JSON in query parameters across various client and admin endpoints, rather than an internal server error. (#16923)
• Make the CSAPI endpoint /keys/device_signing/upload idempotent. (#16943)
• Redact membership events if the user requested erasure upon deactivating. (#17076)

Improved Documentation

• Add a prompt in the contributing guide to manually configure icu4c. (#17069)
• Clarify what part of message retention is still experimental. (#17099)

Internal Changes

• Use new receipts column to optimise receipt and push action SQL queries. Contributed by Nick @ Beeper (@Fizzadar). (#17032, #17096)
• Fix mypy with latest Twisted release. (#17036)
• Bump minimum supported Rust version to 1.66.0. (#17079)
• Add helpers to transform Twisted requests to Rust http Requests/Responses. (#17081)
• Fix type annotation for visited_chains after mypy upgrade. (#17125)

Updates to locked dependencies

• Bump anyhow from 1.0.81 to 1.0.82. (#17095)
• Bump peaceiris/actions-gh-pages from 3.9.3 to 4.0.0. (#17087)
• Bump peaceiris/actions-mdbook from 1.2.0 to 2.0.0. (#17089)
• Bump pyasn1-modules from 0.3.0 to 0.4.0. (#17093)
• Bump pygithub from 2.2.0 to 2.3.0. (#17092)
• Bump ruff from 0.3.5 to 0.3.7. (#17094)
• Bump sigstore/cosign-installer from 3.4.0 to 3.5.0. (#17088)
• Bump twine from 4.0.2 to 5.0.0. (#17091)
• Bump types-pillow from 10.2.0.20240406 to 10.2.0.20240415. (#17090)