When there are one or more metaboxes on the page, the autosave process somehow triggers a full save, which then causes the creation of a ton of revisions.
See this GIF:
Notably, see the "Autosaving..." animation, quickly followed by "Saving...". At the end of the experience, 4 revisions have been created (the UI for which is only present after you refresh the page):
When there are one or more metaboxes on the page, the autosave process somehow triggers a full save, which then causes the creation of a ton of revisions.
See this GIF:
Notably, see the "Autosaving..." animation, quickly followed by "Saving...". At the end of the experience, 4 revisions have been created (the UI for which is only present after you refresh the page):
Previously https://github.com/WordPress/gutenberg/issues/3656#issuecomment-394531874
cc @adamsilverstein @aduth