I didn’t follow much but I heard/read bits.
There were enough people (including ex’s) vouching for Depp’s behaviour in the past that, whatever he did to Heard, he doesn’t seem to be habitually abusive (though at least one ex claimed he threw a wine bottle, not at her, but still that’s got to be scary).
And it does sound like Heard has some serious issues, including a previous arrest for domestic assault, spitting in the face of her assistant, and some statements from people in industry that weren’t flattering.
The best summary I saw was from one of the psychologists who testified they were dysfunctional people in a mutually abusive relationship. I suspect each blames the other for being the instigator.
Overall, I hope they both find relationships that aren’t dysfunctional and manage to make nice enough with each other to rehab their careers. I’m not sure exactly what happened between them but I don’t think scorched earth everybody loses is a just outcome, and it definitely doesn’t encourage other victims of abuse to come forward.
