prepare stable release 2026.8.1600

[t3code-release]

Stable Release

Merging this PR publishes v2026.8.1600.

Previous stable: v2026.8.1100

Commits Since Previous Stable

• ci: replace fork pipelines (ci: replace fork pipelines #136) (d81ed9a)
• fix(release): publish nightly builds (fix(release): publish nightly builds #135) (967254d)
• chore: sync upstream main (chore: sync upstream main #134) (a89fe16)
• chore: sync upstream main (dff1279)
• chore: sync upstream main (chore: sync upstream main #133) (ba75303)
• fix(web): style sidebar action tooltips (#6371) (196c8ea)
• perf(desktop): speed up Windows update installation (#6169) (c9063f0)
• fix(web): add copying terminal selection with ctrl+c in the web app (#5638) (1add47b)
• fix(server): terminal subprocess polling no longer floods the PID space (#6377) (8099140)
• fix(web): clarify desktop update status (#6504) (1a65994)
• chore: sync upstream main (e9126a6)
• fix(mobile): steer active turns by default (#6543) (184d8ef)
• fix(web): align every titlebar control cluster on one shared inset (#6592) (038560e)
• fix(mobile): prevent OTA update restart crashes (#6324) (21a3669)
• fix(mobile): preserve keyboard suggestions while typing (#6323) (b3b4b57)
• refactor(mobile): name the iOS nav bar height fallback (#6589) (6ae44b4)
• fix(web): keep thread rename open during IME composition (#6281) (4a2f8b0)
• fix(mobile): add breathing room between the git progress overlay and the app bar (#6587) (8f9ab08)
• fix: avoid stale Live Activities when publishing is disabled (#6325) (baaeda3)
• perf(build): stop unpacking node_modules wholesale from the Windows asar (#5877) (7e01d33)
• fix(preview): only show browser-ready local servers (#6021) (9fd788b)
• feat(desktop): add favicons to the Browser panel (#5644) (710fd0e)
• fix(web): show background policy tooltips sooner (#6506) (e15f655)
• fix(web): simplify the desktop-managed server update banner copy (#6549) (59be6f7)
• chore(mobile): bump app version to 1.0.4 (5304f3e)
• Nest mobile task settings in bottom sheets (#6224) (85389b9)
• feat: allow disabling auto-settle on merge (#5880) (db1507e)
• fix(web): align the snoozed thread wake icon (#6215) (96bfa67)
• fix(web): align sidebar wordmark label (#6086) (5ff3a03)
• fix(web): restore default stage artwork colors (#6535) (23d45d9)
• fix(mobile): show a real settings cog in the Android sidebar header (#6520) (bad1143)
• fix(web): scope pull request errors to their environment (#6490) (92d4a2e)
• fix(web): show unlinked icon when viewport aspect ratio is unlocked (#6509) (2fab18e)
• fix(web): avoid Clerk close button overlap (#6442) (1b16ed6)
• fix(mobile): prevent invalid HTML entities from crashing markdown (#6495) (83ad26c)
• fix(mobile): extend blockquotes across wrapped lines (#6482) (fd51561)
• Remove rebase requirement before opening PR (#6479) (9e20194)
• fix: ignore pull request actions in latency tracker (#6476) (2ab188f)
• Add bil0000 to VOUCHED contributors list (#6462) (9513e62)
• fix(web): keep pull request panel within viewport (#6451) (97db94c)
• feat(web): rename focused sidebar thread with f2 (feat(web): rename focused sidebar thread with f2 #132) (13fc404)
• fix(web): keep turn minimap stable as composer grows (#6414) (5015d7c)
• fix(gitlab): submit review comments on context lines (fix(gitlab): submit review comments on context lines #131) (f9d2e2e)
• chore: sync upstream main (chore: sync upstream main #130) (b657fcd)
• chore: sync upstream main (31ec693)
• fix(server): align Codex collaboration prompts (#6432) (df19f6c)
• fix(web): keep diff file lists scrollable past expanded files (#6423) (6bc6cb6)
• fix(web): keep the typed prompt when a draft changes repo (#6393) (1e59b4c)
• fix(web): make reset zoom hover visible (#6385) (33f9705)
• web/settings: fix source control scan on relay environments (#6230) (da6253b)
• feat(web): project favicon and workspace icons in command subtitles (#6330) (ac1264e)
• fix(web): cmd+click sidebar PR numbers open in the browser (#6378) (2eb099f)
• feat(web): pull request surfaces — filters & qualifiers, all-server listing, update branch, reactions, in-place editing, smarter diffs (#6039) (b28f9bf)
• feat(connect): deregister account environments from any client (#4844) (d0b8d63)
• fix(web): preserve appearance mode when changing themes (#6343) (9666b87)
• test(mobile): seed snoozed showcase threads (#5155) (e3a9c25)
• Fix mobile command popover glass rendering (#6370) (18918d1)
• fix(web): open modified PR clicks in browser (#6278) (8d24b51)
• fix(web): render tooltips above dropdowns (#6241) (770946d)
• fix(web): align update toast release notes link (#6322) (8601797)
• feat(web): reset sidebar width on double click (#6320) (b73232b)
• fix(web): theme Clerk surfaces (#6300) (f131228)
• fix(web): prevent changed files header overlap (#6314) (e321667)
• fix(connect): preserve CLI OAuth parameters through browser sign-in (#6285) (849bac8)
• fix(web): align mobile onboarding header (#6293) (6fd088a)
• feat(web): a better right panel empty state (#6258) (b54bfc9)
• feat(nix): package desktop app (feat(nix): package desktop app #129) (334aa45)
• fix(mobile): keep ordered lists inside user bubbles (#6154) (e1378a1)
• update nix pnpm dependency hash (update nix pnpm dependency hash #128) (7f3c5a2)
• chore: sync upstream main (chore: sync upstream main #127) (74de36b)
• chore: sync upstream main (8b4233a)
• fix(web): align the composer model picker (#6252) (5a84614)
• chore: add dara to vouched (#6259) (63e6fae)
• feat(mobile): add thread title regeneration (#6253) (d37a9b0)
• fix(web): keep sidebar wordmark visible at minimum width (#6246) (560d4a4)
• feat(web): compact sidebar footer actions (#6210) (52e5a75)
• fix(web): clean up composer resize animation (#6209) (c196f42)
• feat(web): add Open VSX theme search (#5654) (f0b57ca)
• fix(web): use upload icon for disabled push action (#6207) (2db0845)
• feat(web): use OKLCH for theme palettes (#6036) (083fa4a)
• fix(web): use a clearer pull action icon (#6194) (3517201)
• fix(web): thread error banner dismiss survives reconnect and rerenders (#6123) (57b1052)
• fix(web): render dropdowns above toasts (#6165) (1e355a2)
• feat(web): add back buttons for the pull requests and usage pages in the sidebar footer (#6031) (44621c3)
• fix(shared): detect Azure DevOps SSH remotes (ssh.dev.azure.com) (#6187) (220e573)
• fix(shared): normalize a bare Windows drive root the same as C:\ / C:/ (#6189) (6befe42)
• feat(web): make environment artwork theme aware (#6183) (b30a9bc)
• fix(web): restore typography font sizes to defaults (#6172) (ac4780f)
• fix(mobile): guard App Store release versions (#6177) (3da7f9c)
• Add hourly past-24-hour usage view (#6170) (c842c6f)
• fix(mobile): stabilize thread composer and interactions (#5986) (6676f9c)
• feat(web): add Copy Thread ID to the sidebar and chat header thread context menu (#5574) (65b005f)
• feat: add ability to create a new thread in the current project with shift+click and show shortcut in tooltip (#5994) (752acbf)
• fix(pull-requests): route self-hosted GitLab remotes (#6061) (f5fce74)
• feat(desktop): install unsigned macos updates (feat(desktop): install unsigned macos updates #107) (a8311ef)
• chore(release): remove legacy fork marker matcher (chore(release): remove legacy fork marker matcher #97) (00f5164)
• feat(desktop): add backendless mode (feat(desktop): add backendless mode #126) (604861e)
• fix(server): handle unborn HEAD in VCS status (#5944) (9c7622d)
• fix(server): advertise 256-color TERM on Windows terminals (#5693) (c14bcca)
• fix(server): skip Linux libc detection on Windows/macOS (#5354) (1fa315e)
• perf(web): skip base64 for oversized image candidates (#5220) (f973097)
• fix(web): persist sidebar shelf collapse state (#5136) (59d0c92)
• fix(server): OpenCode model parsing drops models with a slash in the JSON body (#5072) (2ea51bd)
• fix(mobile): keep chat composer above the Android gesture bar (#5988) (e5c82d7)
• feat: add three-hour snooze option (#5914) (9afef94)
• fix(web): account for Windows window controls in PR page header (#6049) (a7b0366)
• Allow Android tablets to rotate (#5613) (428d9f9)
• fix(ci): extend release publish timeout (#6034) (1b120f3)
• fix(web): improve built-in theme contrast (#6000) (0a7c662)
• feat(web): add duplicate action to the T3 Code default theme (#6013) (b91a000)
• perf(desktop): probe the Windows shell environment concurrently (#5878) (8de0aa2)
• feat: multi-provider pull requests page with in-app reviews (#4849) (cad2c93)

[github-actions]

Thread transfer impact

✅ Thread transfer remains within every enforced ceiling.

Provider	Metric	Main baseline	This PR	Impact	PR ceiling
Codex	Total thread wire	10.5 KiB	10.7 KiB	+215 B (+2.0%)	15.1 KiB	✅
Codex	Thread snapshot wire	4.8 KiB	4.8 KiB	+4 B (+0.1%)	7.3 KiB	✅
Codex	Live turn WebSocket wire	5.7 KiB	5.9 KiB	+211 B (+3.6%)	7.8 KiB	✅
Codex	Live turn WebSocket decoded	50.3 KiB	51.7 KiB	+1.5 KiB (+2.9%)	66.4 KiB	✅
Codex	Live turn messages	10	11	+1 (+10.0%)	21	✅
Claude	Total thread wire	10.5 KiB	10.7 KiB	+213 B (+2.0%)	15.1 KiB	✅
Claude	Thread snapshot wire	4.8 KiB	4.8 KiB	+4 B (+0.1%)	7.3 KiB	✅
Claude	Live turn WebSocket wire	5.7 KiB	5.9 KiB	+209 B (+3.6%)	7.8 KiB	✅
Claude	Live turn WebSocket decoded	51.1 KiB	52.6 KiB	+1.5 KiB (+2.9%)	66.4 KiB	✅
Claude	Live turn messages	10	11	+1 (+10.0%)	21	✅

Baseline: d81ed9a · PR result: 3d97cf9 · Source CI: success

Scenario and decoded snapshot size

10 historical turns, 5 command tools per turn, 878.9 KiB retained MCP result per historical turn, and a 1.05 MiB retained result in the measured turn.

• Codex decoded thread snapshot: 76.2 KiB
• Claude decoded thread snapshot: 76.6 KiB

Updated in place by a trusted workflow. PR artifacts are strictly validated and never executed.