[Bug] Delhi Sultanate Keep Tech Research Time Increased Due to Mosque

For Slow-Burning Defenses and Village Fortresses, the research time will increase if the keep is under the influence of Mosque. Without any influence, the research times are 3m45s and 5m. With Mosque influence and three scholars, the research time increased to 5m22s and 7m9s.

This bilibili video has shown this effect 【帝国时代4】德里学者:研究?研个P!


Here is the in game snapshots. Technologies under other buildings seem can benefit from research speed reduction

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This is still an issue after patch 9369, could this bug please be added to the tracker here:

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I got an insane 30 minutes to tech it when I had 20+ monks inside the mosque hahaha