Hi, Over in another thread I made some wild unsubstantiated guesses that the windows issues could have been made much more likely by a somewhat odd bit of code in PQisBusy():
https://postgr.es/m/1959196.1644544971%40sss.pgh.pa.us Alexander, any chance you'd try if that changes the likelihood of the problem occurring, without any other fixes / reverts applied? Greetings, Andres Freund
