Solarint added a new version:
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SAIN - Solarint's AI Modifications - Full AI Combat System Replacement 4.0.3

Full credit to @dwesterwick for the fixes here.
Gameplay Changes:
Fixed bots being unable to extract
Bots will now use the new SAIN steering system while extracting (instead of only looking straight ahead)
Code Changes:
Fixed BotPathFollowerClass.WalkToPoint() not returning true if Bot.Mover.CanGoToPoint() returns true (which is the case with RunToPoint())
Expose mustHaveCompletePath as an argument in WalkToPoint() and RunToPoint()
Fixed NRE spam for GetEnemyToShoot() if priorityEnemy == null
Fixed…
Gameplay Changes:
Fixed bots being unable to extract
Bots will now use the new SAIN steering system while extracting (instead of only looking straight ahead)
Code Changes:
Fixed BotPathFollowerClass.WalkToPoint() not returning true if Bot.Mover.CanGoToPoint() returns true (which is the case with RunToPoint())
Expose mustHaveCompletePath as an argument in WalkToPoint() and RunToPoint()
Fixed NRE spam for GetEnemyToShoot() if priorityEnemy == null
Fixed…
QuoteChangelog : https://github.com/dwesterwick…/4.0.3-rc1/SAIN-4.0.3.zip
Full credit to DanW for the fixes here.