ThinkOS
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ThinkOS Public Beta

ThinkOS 0.0.404

This macOS alpha release brings a unified Feed, clearer shared Sphere conversations, inline interactive artifacts, and improvements to sync, memory use, and update recovery.

Download for macOS — Apple silicon

Downloads

iPhone and iPad through TestFlight

  • ThinkOS has completed Apple's TestFlight review and is approved for public testing. We're distributing the iOS app through TestFlight for now because we're making rapid changes and want to deliver fixes and improvements quickly before the full App Store release.
  • Install Apple's free TestFlight app on your iPhone or iPad if you do not already have it, then open the ThinkOS public TestFlight link on that device and tap Accept or Install.
  • New ThinkOS builds appear in TestFlight as they are released. You can update manually or enable automatic updates in TestFlight. Expect frequent changes, occasional rough edges, and features that may move while the early release develops.
  • TestFlight builds are available for up to 90 days. We plan to keep a current build available, but if a build expires, return to TestFlight for the newest one.
  • Feedback is part of this early release: send notes from TestFlight, including screenshot feedback when useful, so we can reproduce issues and improve the next build.

Highlights

  • Find ToDos, FYIs, and Fun in one Feed, with a Done list and controls to reopen or remove ToDos.
  • View interactive HTML artifacts inside conversations and save copies to a Sphere.
  • Follow steadier run timelines that show meaningful steps and fold background work into Thinking.

Desktop

  • Find Spheres faster with searchable flat pickers, recent threads, and numbered navigation shortcuts.
  • Personalize Spheres with colors, animated backgrounds, and desktop palette controls.
  • Place attachments inline with your message and preview Brain images and local videos.
  • Run scheduled workflows on demand and review their run history.

Shared Spheres

  • See conversation audiences more clearly and start contextual direct messages with other members, including read-only members.
  • Choose whether to create a Sphere agent and whether to include existing conversation history when sharing.
  • Open shared Spheres across the owner's computers with improved invitation and device-access recovery.
  • Leave shared Spheres and review a confirmation before removing a copy deleted by its owner.

Reliability

  • Reduce memory use and keep Sphere sync memory failures from crashing the app.
  • See clearer sync failures, paused-sharing explanations, and recovery actions.
  • Recover more reliably from interrupted message delivery, saved-state conflicts, and failed updates.
  • Keep agent context focused on relevant, authorized sources.

Updating