Brms alternative to frequentist Cox regression (Cox PH assumption violated)

Does brms has an alternative to frequentist Cox regression, that I can not use, since the PH assumption is violated (HR varies between different time points). As much as I know, AFT is also not a good option as time ratios also change during time?

Then I thought that maybe PH assumption does not matter if i report median survival during follow up with CIs and then I started think about Bayesian ways.

Does brms has an alternative for the aforementioned analyses? If yes, could you please share tutorial?

Yes, Cox regression is unofficially supported. You can get the details in GitHub issue #230. I’ve also worked through a couple examples here.