While this doesn't really confirm that performance issues in games like RIME and Assassin's Creed Origins were due to their DRM implementation, it does point towards the DRM affecting some of the game code to the extent of introducing minor performance issues with it. (gearnuke.com)
The update fixed a number of minor performance issues, like lags in autocorrection and in scrolling. (pcmag.com)
After playing through on the Switch version as well, we've determined impressions and score still hold though there are some minor performance issues on the system. (nintendowire.com)