We're pleased to announce that X3: Albion Prelude 2.5.3 is now available, in which we extend the script engine and finally smash the Billion Barracuda Bug.
X3: Albion Prelude - 2.5.3 Changelog
New Features and Improvements:
Script engine supports local variables being applied to sectors
Fixes:
Fixed remaining issue leading to excessive numbers of abandoned RRF fighters