I’m using version 7.4.2 as I am using various hooks (afterRowMove, afterFilter etc) to update code and statuses elsewhere, as there are issues associated with this in the current version, for example placing code in the afterFilter event will prevent the filter from working.
Aha! sort of answered my own question! It seems that adding
autoRowSize: true,
To the settings apparently solved the problem , but when I scroll to the bottom of a table with only fifty rows, the rowheaders start to drift off again:
Finally got the bottom of it! This component was sitting in a series of nested components, the top of which contained a react-bootstrap Table, and it was the formatting of the
elements that were interfering with the grid formatting.