Ring Rows are an under appreciated exercise to build upper body strength and stability.
For a start, make sure you’re pulling to the base of your ribcage, not your armpit. This will force your mid back to work much harder (and we want this!)
Once you can comfortably do sets of 20 plus reps start working towards single arm and single leg variations. A slow controlled movement is way better than rushing through it.
These will develop your core, build your biceps, and thus improve your gymnastics and weightlifting.