Yep I’m on XR, I’ve tried taking half my dose twice daily instead, which did smooth out the effects a bit but also made me much more likely to miss a dose. Not really any other solution other than tapering afaict.
At least that would give you more room to miss by a few hours a dose and not going haywire into withdrawal. Especially when anxiety is already a problem and withdrawal symptoms kicks back the anxiety stronger...
Hope you find something that suits you!