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[gated on infra] Invite by email (3PID → identity server), QR sign-in for a new device (MSC4108 rendezvous), dehydrated devices (MSC3814) #207

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opened 2026-09-17 23:25:33 -04:00 by jared · 0 comments
jared commented 2026-09-17 23:25:33 -04:00
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Migrated from LOTUS_TODO.md on 2026-09-17 (the file is now reference-only).

  • Invite by email / 3PID invite — we invite by Matrix user-ID only (mx.invite is user-ID-only). Email invites need an identity server (lotusguild runs none). Build only if an identity server is deployed.
  • QR sign-in for a new device (MSC4108) — needs a rendezvous endpoint. Dehydrated devices (MSC3814) — needs server support. (Also listed above.)

🚫 BLOCKED until a Synapse upgrade enables the flag — re-run /_matrix/client/versions unstable_features after each upgrade; client work is ready the moment the flag flips. See the Blocked Features section below:

Server-gated / advanced (capture, don't build yet): QR sign-in for a new device (MSC4108 rendezvous — needs an HS-side endpoint); dehydrated devices (MSC3814 — offline key delivery, also helps the E2EE KE cluster); E2EE history key sharing on invite (MSC3061 shared_history, niche); voice broadcast (Element MSC3888, low value — skip).

_Migrated from `LOTUS_TODO.md` on 2026-09-17 (the file is now reference-only)._ - **Invite by email / 3PID invite** — we invite by Matrix user-ID only (`mx.invite` is user-ID-only). Email invites need an **identity server** (lotusguild runs none). Build only if an identity server is deployed. - QR sign-in for a new device (**MSC4108**) — needs a **rendezvous** endpoint. Dehydrated devices (**MSC3814**) — needs server support. (Also listed above.) **🚫 BLOCKED until a Synapse upgrade enables the flag** — re-run `/_matrix/client/versions` `unstable_features` after each upgrade; client work is ready the moment the flag flips. See the **Blocked Features** section below: **Server-gated / advanced (capture, don't build yet):** QR sign-in for a new device (**MSC4108** rendezvous — needs an HS-side endpoint); dehydrated devices (**MSC3814** — offline key delivery, also helps the E2EE KE cluster); E2EE history key sharing on invite (**MSC3061** `shared_history`, niche); voice broadcast (Element MSC3888, low value — skip).
jared added the priority: lowarea: auth-sessionresearch labels 2026-09-17 23:25:33 -04:00
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Reference: LotusGuild/cinny#207