Updates
A readable changelog for the parts of Arco that actually changed, not a wall of vague release notes.
Recent shipping
The record of what changed
Use this page to see what has already landed. If you want to influence what comes next, move to the roadmap or the feedback board.
April 1, 2026
Clearer processing states and steadier upload recovery
Processing now feels more legible during long uploads, and the web app is better at recovering from interrupted transfers.
Improved
- Clearer status language while Arco is uploading, queueing, or actively processing a lesson.
- A stronger recovery path for web uploads after a sleeping tab or laptop wake event.
- More trustworthy state syncing when a lesson finishes processing on another device.
Fixed
- Cases where a lesson looked permanently stuck even though the upload was still in progress.
- A mismatch between local processing indicators and cloud-complete states.
March 23, 2026
Unified chat routing and a calmer lesson library flow
Normal chat now switches more smoothly between Arco knowledge and your own lesson history, with less mode micromanagement.
New
- Smarter normal-chat routing between Arco knowledge and My Lessons.
- Conversation memory that survives source switching for everyday follow-up questions.
Improved
- Cleaner retrieval behavior when a question depends on your recent lesson context.
- Better wording around what Arco is using to answer a question.
February 17, 2026
Better sharing, bookmarks, and summary variants
Teachers and students now have a cleaner handoff after a lesson, with more flexible summary formats and lighter re-entry into important moments.
New
- Recording bookmarks for saving key moments inside a lesson.
- More flexible summary variants for different readers and contexts.
Improved
- A smoother sharing path for lesson takeaways, transcripts, and summaries.
- Better downstream reliability when an audio copy is needed for sharing.