My main highlight I think has been the discovery of therapy and a therapist that works for me. It's a bit meta for your question but after 42 yrs it's like wowwwwwwwww.

I've been through CBT 2×, more like talking counselling 2x, pyschodynamic 1x and life coaching 1x with about 6 different providers over 20 yrs and they've all been bloody crap (except may be the pyschodynamic but it was not anywhere as good as now). I was at the end of the line for me. This year has been v tough mostly generated by the process of therapy but I can see green shots of sustainable recovery.

Also the discovery of cptsd as a thing, and communities like this and on reddit I can learn from and get support from came about because I was researching therapy alongside doing it.

Discovering cptsd as a framework for recovery has been mind blowing.