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v2026.8.28.0

juanfont/headscalev2026.8.28.0Aug 29, 2026by synoet

AI Summary

This release introduces agent improvements like credential-stamping egress and per-session instructions, alongside a new calendar search UI and better date-grouped soup UI.

Key Highlights

  • Agent credential-stamping egress for sandboxes and cloud agents.
  • Per-session instructions for agent harness.
  • New calendar event search UI.
  • Improved date grouping UI in soup.

New Features

  • Agent credential-stamping egress
  • Calendar event search
  • Per-session instructions
  • Date grouping UI

Full Release Notes

## What's Changed
* Enable oxlint eslint/complexity (max 20) by @synoet in https://github.com/macro-inc/macro/pull/5972
* feat(agent): reply to selected transcript text as a referenced paste by @404Wolf in https://github.com/macro-inc/macro/pull/5996
* feat: credential-stamping egress for agent sandboxes and Cursor cloud agents by @404Wolf in https://github.com/macro-inc/macro/pull/5756
* fix(agent_harness): source egress URL from Doppler by @404Wolf in https://github.com/macro-inc/macro/pull/6013
* feat(search): add calendar event search UI by @gbirman in https://github.com/macro-inc/macro/pull/5994
* Seanaye/feat/local predicate pagination by @seanaye in https://github.com/macro-inc/macro/pull/5963
* fix(channels): fix thread styling for StandaloneThreads by @sedson in https://github.com/macro-inc/macro/pull/6019
* feat(block-agent): improve tool rendering by @ehayes2000 in https://github.com/macro-inc/macro/pull/5983
* chore: remove sandbox size selector from agent session info panel by @404Wolf in https://github.com/macro-inc/macro/pull/6020
* feat(agent-harness): per-session instructions by @ehayes2000 in https://github.com/macro-inc/macro/pull/6016
* Seanaye/fix/refetch on create by @seanaye in https://github.com/macro-inc/macro/pull/5965
* feat: new app view primitives and components by @dev-rb in https://github.com/macro-inc/macro/pull/6003
* fix(block-agent): poll Cursor external url through a bounded query by @404Wolf in https://github.com/macro-inc/macro/pull/6023
* fix(editor): restyle markdown checkbox and align it with list bullets by @aidanhb in https://github.com/macro-inc/macro/pull/6021
* chore(ui): clean up, remove palette rotations and malformed tw, another round of cursor-pointer by @sedson in https://github.com/macro-inc/macro/pull/6025
* feat(soup): better group by date ui by @peterchinman in https://github.com/macro-inc/macro/pull/6033
* fix(email): show share-menu emails in referencium by @synoet in https://github.com/macro-inc/macro/pull/6010
* fix(documents): break email-sha advisory lock convoy by @synoet in https://github.com/macro-inc/macro/pull/6035


**Full Changelog**: https://github.com/macro-inc/macro/compare/v2026.8.27.0...v2026.8.28.0