# fx v0.0.15 cuts long-session memory use 70%

> Original title: fx v0.0.15

- Source: Vercel Developers
- Published: 2026-10-28T14:56:55.000Z
- Bad Influence: https://badinfluence.news/items/rqlepuq0c3t6u5x0z5ubyxgc9
- Original: https://x.com/vercel_dev/status/2115457791561539678

## Summary

fx v0.0.15 reduces memory use by 70% in long sessions and makes its binary 7.66% smaller, at 6.15 MiB, down from 6.66 MiB. The release also processes image-heavy turns up to 3.3 times faster and resumes sessions about 18% faster. It adds automatic model catalog refresh and a /fork command for branching conversations.

## Post

fx v0.0.15

Less memory. Faster resumes. Smaller binary.

- 70% less memory in long sessions
- 7.66% smaller binary (6.15mib ← 6.66mib)
- Image-heavy turn processing up to 3.3× faster
- Session resumes about 18% faster
- Automatic model catalog refresh
- Fork conversations with /fork
- Better image handling & crash recovery in libfx
- Multiple bug fixes & security improvements

https://fx.sh/changelog#v0.0.15

[Video](https://badinfluence.news/api/img-proxy?u=https%3A%2F%2Fpbs.twimg.com%2Famplify_video_thumb%2F2115457779108585473%2Fimg%2FH4LYlia5vs9E_avT.jpg&mode=thumb&exp=1793404800&sig=5f2d02579c49ce4f)