We’re encountering an intermittent issue where the preview content occasionally does not match the content within the text editor. At some point, ?cs-render=1 stops sending events altogether. The only workaround is to refresh the page (losing unsaved edits) or leave the tab for a few seconds and return.
Replicating the issue is difficult, it occurs randomly or when editing content too quickly.
When the previews stop updating correctly, the ?cs-render=1 endpoint no longer sends or requests content from the back end. There are no visible network or console errors; it simply stops transmitting abruptly.