I had to start a new OW profile a few months back and sites that rendered correctly (i.e. similar to Safari) prior to the new profile are not doing so now.
I don’t recall doing anything special with the old profile to have sites render correctly, but there may have been setting already there that I just didn’t realize were doing the job.
For example, Tidbits.com renders like this without any adjustments:
Much better than the first load, but I have to repeat the key sequence for each tab from the site each time I reload OW. I don’t know why it can’t just load looking like Safari: