Update to Stellaris 3.8.*
Special primitive civilizations will no longer be destroyed by some random events.
AI will no longer repeatedly tries to cloaking their ships when they can't.

Fixed a bug where special technologies could be accessed accidently by random events.
Fixed a bug where some technologies could not be obtained correctly.
Fixed a bug where the Chosen One could not be obtained in some cases.

After the end of the Eta Area event chain, ancient gateway control station no longer has unnecessary tooltip.
Fixed a bug where events that leader traits triggered abnormally and sometimes did not take effect.
Fixed a bug where there was no cooldown for entering the Shroud during special periods.

Gamma Area Defense System and Shroud Invaders will be regarded as crisis and affect the AI's attitude towards the resolutions of the Custodian/Galactic Empire of community, and they will also affect the vanilla crisis strength after they are defeated, but themselves are still not affected by the vanilla crisis strength.
Slightly reduced the produce bonus of industrial city planets to living metal, nanites, and dark matter.
Some ancient technologies have their own icons and categories.
Reworked the look of the relic.

Optimized the execution logic of some events.

Fixed a bug where aura effects sometime didn't be remove correctly after combat.
Fixed a bug where ships sometime cannot be destroy correctly.

Fixed a bug where B class stars were incorrectly spawned after the Vacuous Harbor jumped.
Added anti-cloaking ability to the Ancient Titans.
Added a time-limited cloaking ability to Vacuous Harbor.

Optimized the execution logic of some events.
Reworked particle effects for some weapon attacks.
Fixed some localization errors.

Fixed a bug where some weapon turret models were wrong.
Added Ring World compatibility scripted trigger "ag_is_ancient_ringworld".

Fixed a bug where some ships cannot use hyper drives.