A couple of years ago I'd have entirely disagreed with you, but after switching to trunk-based development when I joined my current job (i.e. that was what the company was already doing so it was something I had to do too) I'm right with you.
I think it's easy to think this will be a nightmare, but in practice I can count on one hand the number of merge conflicts I've had in the last 18 months, and they were all very easily fixed. This was the total opposite experience that I've had in the multiple places I've worked that used feature branches.
Edit: okay I do actually disagree with the clickbaity title, branches aren't "wrong". But yeah, I wouldn't be keen to switch back to them.
Conflict resolution is easy if you use the right tool. Do you use web storm or some other ide with à visual conflict résolution tool ?
Conflicts don't happen when you have a good architecture and everyone works in their own component. It also doesn't happen when you communicate and if you rebase often.
It's even easier when you don't have them in the first place. :-)
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