v1.2.0

New

• Edit, disable, or reset the system prompt in Chat to explore how it changes a model's responses.
• Resolve phone-number labels in imported iMessage conversations from Contacts, entirely on-device.

Improved

• Switch between chapters and pages more quickly.

Fixed

• Fixed chapter math occasionally crashing during page layout or failing to render correctly.
• Fixed crashes caused by diverged training runs and malformed model, tokenizer, checkpoint, or optimizer data.
• Fixed Sampling and Chat carrying stale state between models or checkpoints.
• Fixed several training-resume, validation-cancellation, and checkpoint-consistency edge cases.
• Fixed iMessage imports reading inconsistent database snapshots or leaving temporary data behind after cancellation.
• Fixed storage moves and Reset all data leaving downloaded base models behind.
• Fixed rare Chat truncation around Unicode characters and stop markers.