Not for me. I prefer timekeeping libraries to not have to be changed. Ever. If they have to, should be simplified. If simifying, it should be in a way that doesn't cause grammatical issues.
Which this does, because now DST is now the standard time.
Which this does, because now DST is now the standard time.
For a timekeeping library (which likely uses a system-level source of data / the IANA tz database) this shouldn't have any effect.
It shouldn't be a big deal. Inevitably though, it always seems to bring the bugs out of the woodwork.