# Real-Time LuaTeX Recompiles Large Documents in 1ms

A new development in LuaTeX enables recompilation of large documents in just one millisecond, achieving near-instantaneous preview. This breakthrough is aimed at TeX users and developers, significantly improving editing workflows by eliminating long build times.

**Importance:** 3/5

## Sources

### Technology
- [Hacker News](https://www.tug.org/tug2026/preprints/lode-realtime.pdf) — Sat, 18 Jul 2026 22:09:07 +0000