CreateRow rowactions are failing in 11.2.9 due to default xml in older pages

We have discovered many of our existing CreateRow rowactions are failing in v11.2.9. When users click the icon, nothing happens.

We found a culprit in the xml, where the code looks like this:

Removing the line resolves the issue.

What version were you on previously?

11.1.14, I believe. Some of the affected pages go way back, however. Before Brooklyn; 2015-16 vintage, though it’s hard to say when the rowactions were actually added to the page.