t filter-branch</em> has a plethora of pitfalls that can produce non-obvious
manglings of the intended history rewrite (and can leave you with little
time to investigate such problems since it has such abysmal performance).
These safety and performance issues cannot be backward compatibly fixed and
as such, its use is not recommended.  Please use an alternative history
filtering tool such as <a href="https://github.com/newren/git-filter-repo/">git
filter-repo</a>.  If you still need to use <em>git filter-br