correct my sentences

English as a Second Language English Vocabulary, Grammar and Idioms
1

What is important in this system are its compatibility and self-regulatory features which means knowledge and rules to be reformed by get feedback on previous decisions over the time

Thanks in advance

2

Without additional context, I would guess:
The most important elements of this system are its compatibility with xxxx and its self-regulatory features. These (features) provide feedback on previous decisions, which means that knowledge and rules can be revised over time.

3

Dear Beeesneees
In the second part, I want to say that self-regulatory feature means by passing the time, the system by feedback from previous decisions revise knowledge and rules.

With this description, would you please revise my last post again.

Thanks in advance

4

The most important elements of this system are its compatibility with xxxx and its self-regulatory features. These (features) provide feedback on previous decisions, which means that knowledge and rules can be revised by the system over time.