v1.12.0
Replace most occurances of http with https when the https url is valid (#52566)
add tests for new trunc methods (Quarter)
further fix to the new promoting method for AbstractDateTime subtraction (#51967)
Improve robustness in Dates/conversions test (#49086)
Fix fixed-length negative year parsing (#54535)
Support `signbit(::Dates.Period)` (#51073)
Fix off-by-one dayofquarter() in leap years (#36543)
[Dates] Fix nonexistent method OverflowError() in steprange_last (#48242)
Allow `Time`s to be rounded to `Period`s (#52629)
Add docstring for Dates.adjust (#52914)
allow stdlibs to run their tests in parallel (#25778)
[Dates] Make test more robust against non-UTC timezones (#55829)