[Buzz update] desktop-v0.5.26 available

[github-actions]

Buzz desktop-v0.5.26 is available

Upstream release: https://github.com/block/buzz/releases/tag/desktop-v0.5.26
Published: 2026-09-29T23:14:47Z
Immutable source SHA: 2b4b138dc5cf2d9cc1a0ceb21d9063ff56fe8bf4
Certified patch-series applicability: conflict

Changelog

Desktop and shared changes

• fix(desktop): correct Grok Build setup guide URL (#4846) (7ebf1beb44139264e9c5c7fee6970429ff66f934)
• feat(relay): implement NIP-AR channel artifacts (#7919) (12670bd0f037c66a682272bb81c46c3f254fad74)
• fix(desktop): resolve unlisted project channel requests (#7619) (c96553eb13a073ca9f4ee1547b50ba3d28dfd4db)
• Schedule the deletion drain safely (#7827) (6918dd3a83fd7aacf6d8e4634d3864eb10ead61d)
• test(desktop): wait for channel head refresh before paging thread summary test (#7955) (f1e50be4103addabd497563495e0ffe5bda07ef7)
• 🤖 perf: bound long-thread aux reads and make query deadlines terminal (#7854) (9b1c4f98e2981d6d89fbfa3154b8ef0b3b6ad334)
• Add native HPKE encryption for nsec backups (#7849) (cc36d25bec2d34340ab7aace50110f51162edd7a)
• test(desktop): scope video menu e2e probes to emitted messages (#7953) (548718e042decbc059fd7ebfb9b9ad2459ac258d)
• fix(sidebar): converge stale-at-open state across devices (sections/sort/stars/mutes) (#7805) (52c4c08c9ef349f2bb994ca40e98faa0f44209ea)
• feat(nip-fi): harden Blossom kind-24242 verifier to NIP-FI spec (#7288) (f7ff4294fa95191d1fc7b29a765e6f0b48db6bd8)
• fix(ci): select runtime suites from PR changes only (#7843) (02c6309f534050e54c8d36f5ce90e48e4dd152b1)
• test(desktop): synchronize upload edit smoke test (#7903) (a1fb6645d994e72b5f39fae8bd482d400e4005b6)
• feat(desktop): relay admin console for the /api/admin/v1 operator surface (#4768) (8f8c4dfadecb2298a9140af5d323487aaad844ab)

Other repository changes

• fix(db): audit partition catalog before creation (#6515) (14a752fb2445790bf4620348e485e8576371f906)
• feat(mobile): show contextual names in channel conversations (#7895) (4ef23609b7025bc356a9ea078834d57b69ec33cf)
• feat(buzz-relay): NIP-FI stateless enforcement (S3) — upgrade gate, NIP-42 pairing, session lifetime, JWKS warm (#7224) (8519db1532efd6cda8f72bb6454c00fc3f87cfba)
• feat(web): add Browse releases link next to invite download (#2255) (b9d22a273f2225917f13b13a9fde305629126502)
• docs(nips): fix stray angle brackets in created_at clauses (#4486) (12423f2868b810240a6b949d21c8a09e9e8a1994)
• docs: specify desktop-driven mobile push suppression (#7809) (45c288c1793bbbbbbb1be88f8a53c6aecfff8d2f)
• feat(mobile): add the contextual identity-name resolver (#7894) (efe04288ea907adfe91a38ae916c0d364c315cca)
• Automate owner deletion preparation (#7830) (bba75a71eb5a719b597479ec848053cde364befd)
• fix(mobile): stale community selection during mobile invite setup (#7951) (662014d544f835a075f0020e7d161fe7985d7959)
• Add owner deletion admission control plane (#7818) (15d44dcceee0679979991b3100f21f01fc799693)
• Make relay readiness process-local (#7341) (b37e477211313a94344a31aea4b180ed4effe0b8)
• 🤖 docs(nip-fi): remove implementation references from the spec (#7912) (447951a19c00edfa6432636f50782445929ab678)
• fix(relay): fail startup on invalid operator listener config (#7933) (ebe99a46e8802b9ff20fdf6a1028ce93bdefaa43)
• fix(db): limit event transactions to listener mention kinds (#7932) (1846094b3111a059f856bb4f3466c102fad17ef7)
• feat(relay): deliver pubkey mentions to relay companions (#7793) (c4c86006f2d67b2ea9055780129ee7ce95c54e0a)
• docs(protocol): propose simplified channel artifacts (#7791) (b0d6fb8ad27f6f255a5044e49ed0a59e11542914)
• feat(push): support configurable HTTP(S) delivery URLs (#7877) (781d39510cf23cfe224e8f521ae06a23377e06de)
• feat(relay): enforce NIP-FI assertion+NIP-98 pairing on HTTP ingress (#7264) (6410e685a80d42db0645fadc9bbe710559ef911e)
• fix(ci): run the admin disabled-mode DB test in the PostgreSQL lane (#7900) (b65cff31a4c5f4a0af63952b60a21fd73195321a)
• 🤖 docs: add pre-PR checklist and review guidance to AGENTS.md (#7897) (9c7687cc914cd8eddee7ba25cb980ad1a6bc0fdc)
• docs: specify durable data backfills (#7326) (9263cda8455b8fd27f4491e5e4fc0ebc2ce2e8bc)
• docs(vision): add /buzz/v1 read endpoints to the protocol contract (#7879) (930b8bb800d8149ce29a881ba4c5d9f424580434)
• 🤖 fix(justfile): point just staging at the current staging relay (#7881) (20131488528e35e6c50f4ccdb0490a9135c28edf)
• fix(relay-admin): make thread deletions atomic and fence expired action leases under row lock (#7853) (676e8c43825fa478850a3a320b1367d3288cce1a)
• fix(mobile): keep retired sections manager out of successor cache (#7873) (28a8b90805278a91d723731bf7b824cea473bcfa)
• Select one feature flag provider at compile time (#7677) (8f6b66f9ff6b2e42cd713506805763269375b473)

Compare desktop-v0.5.25...desktop-v0.5.26

Decision required

• Add build-approved to start the guarded arm64 build. Only @BrianInAz can approve.
• Add skip and close this issue to record no build is wanted.
• If applicability is conflict, use remediation-required; do not approve.