i guess by now our dear plugin author knows that something went wrong! some many changes in the current version of this complex plugin..
just found out when it gives me the 404 file-not-found for minified js and css files these are looked for in the wrong directory stemming from site root. but in my WP installation actually resides in a subdirectory.
i.e
https://zzz.org/wp-content/w3tc/min/0fb4a/default.include-body.2138336412.js (whole path not existing)
https://zzz.org/SUB/wp-content/w3tc/min/0fb4a/default.include-body.2138336412.js (like this, it worked in the last version)
this line in the changelog makes me think
“Moved browser cache rules to site root instead of document root”
anyway i can wait a few days with css / js minify off – if it takes longer to fix i will do a rollback to version 0.9.1.3.
i still have saved settings for the older version and the deinstallation i read is plainless & clean.