Fixed several bugs and adjusted the trigger conditions for the Tagmata Mutiny disaster.

Adjusted the conditions for the level 2 modifier of Trebizond, and rebalanced some of its bonus effects for improved gameplay fairness.
Updated the subject icons for Themes and Exarchates, giving them more distinct and appropriate visual identities.
Added new conquest, economic, and development-related missions for the Eastern Roman Empire, along with a special military interface for recruiting new types of cavalry and artillery.
Introduced a new Estate: Dynatoi Stratiotai for the Eastern Roman Empire, together with a corresponding disaster. Depending on how the disaster is resolved, players can unlock different end-game rewards.

Subjects turned into Exarchates will no longer have their primary culture forcibly changed to the Byzantine culture group.

The requirements for Exarchate-exclusive special subject upgrades have also been adjusted.

Added a new Holy Roman Empire-related mission for Eastern Rome.

Loosened the requirements for the "Recover from the Hellenic Decline" mission.

fix some small errors

Modify the requirements for completing the "Reclaim Hereditary Rights in the Aegean".

Byzantium's mission tree will now unlock the "Theme System Series" decisions and the diplomatic action to convert subjects into Themes after obtaining the Reformed Byzantine Monarchy reform.

The diplomatic actions for converting into a Theme or Exarchate will now change the subject's primary culture to match that of the overlord.

If the Eastern Roman cultural integration province event occurs within a Byzantine culture group subject, its primary culture will switch to the newly integrated culture.

I’m unable to work on any patch-related content at the moment. Apologies for the inconvenience.