@Serhiy IMHO, just because we fix one problem, we do not have to fix all other problems at the same time. You can still open a pull-request for the others, but I know too little about those to test them.
And having commits pending for 7 months is not exactly energizing either.

For my use-case I just needed a trivial 1 line fix in tarfile.py and already ended up with a diffstat of
 7 files changed, 39 insertions(+), 6 deletions(-)