INCOMPATIBLE CHANGE The macro \printdatelabelextra [sic] has been renamed to \printlabeldateextra in line with the naming of all other date printing macros. Please use the new name. The old one will issue a deprecation warning.
Currently, trying to compile with Biblatex 3.6 gives:
! Undefined control sequence.
<argument> \printdateextralabel
If you look at the 3.5 release notes, you'll see:
Currently, trying to compile with Biblatex 3.6 gives: