I wrote:
Nope. 69edafe28aef03b965c3d911be9ab8e340f914e1 "ITS#7829 more for prev commit" breaks test054-syncreplication-parallel-load in RE24 (with normal pagesize), every 2nd run or so.
Or rather fca18d2586259c0e802d0276f86be696863b1905, not the ID I was using when bisecting:-)