I have been using the latest versions of Opera 27 and 28.

By the way peterx666, I loved your metaphor about kicking the tele! Hella of appropriate. I thought about it but chose to try another version, then Chrome, then back to Opera 27 because I could not bring myself to do the clean uninstall. I did try using CCleaner to delete some of the clutter but did not even delete the cache because every time I do it I end up hating the process of entering stupid secret questions for many websites.

For the past 10 days I had been checking out Opera 27 to see if it would come back to normal while using Opera 28. Yesterday Opera 28 went slow and Opera 27 remained slow. Today Opera 27 is back to "normal". In case you are wondering, I have not installed/uninstalled anything or even rebooted the computer..

This is really strange. I was using Opera 28 beta while waiting for the supposed bug on the 27 to be fix. Well guess what? Much the same way Opera 27 suddenly became choppy so did the 28 after about a week; this morning I went to use Opera and the trouble started: lag in typing every now and again, slow to respond to open and closing tabs..

I am having the same issue, very slow to respond to even opening and closing a tab. It started this morning after I woke the computer up. Everything else runs fine in my computer. I tried disabling extensions and rebooting the computer to no avail. I hope somebody comes up with a solution.