Have you seen a practitioner about the hip issue?
Have you worked on stability?
It’s not a stretching issue.

When something is going on yes performance can  impacted alot.
Good to hear you are seeing improvement with ankle rom, QL and psoas.

There can be multiple contributing factors.
The cumulative impact of each factor causes a bigger deviation than any one item individually.
Consistent daily work as you are doing. This isn’t a new issue so you may not see change right away.
 
Have you smashed your gut?
Jill Miller Smashes Your Guts! (and psoas, and tacked down viscera, and matted down abdominals…) Part 2