Happy Friday!
We reckon we have fixed all the 5.3.9 regressions in 5.3.9.159, feel free to test and let us know if there are any problems, consider this RC3
https://luceeserver.atlassian.net/issues/?jql=labels%20%3D%20reg539%20ORDER%20BY%20updated%20DESC
a quick note about the logging issues, turns out multiple people, including us were simply looking at the wrong log location