I'm not sure how to interpret "not big problem". I think we have an 80/20 question here. With one use case I have, running with LZMA2, mx=5 takes almost 4 times as long as mx=1 for only 20% compression gain. What I tried to do with one workaround (two separate backup volumes) is avoid having the tool spend time figuring out it had files it wasn't goint to get good compression results on. Obviously, that someone has produced a plugin for this suggests there is a perceived need for it (thanks Dec)....
Mixed methods
In short: Should we treat "C:\path\subpath" as "C:\path<asterisk>\subpath\<asterisk>",...
In short: Should we treat "C:\path\subpath" as "C:\path<asterisk>subpath<asterisk>",...
In short: Should we treat "C:\path\subpath" as "C:\pathsubpath", probably not.
Possible Wildcard Matching Bug with Data Privacy Implication
( With respect to second question, looks like I may need -s=off also to improve the...
For the "synchronize" action the 7Z State/Action table indicates Action=1 for State=X....