The post discusses a new datetime library called 'Whenever' that is focused on providing a better experience with datetimes in Python. Users have compared it to other popular libraries like Arrow, Delorean, and Pendulum, noting that Whenever appears to handle edge cases more effectively and is more actively maintained. There's also an acknowledgment of a common issue with the standard library's datetime handling, particularly regarding the comparison between datetimes and dates, which can lead to errors. The library's solution to this Liskov substitution violation is seen as a major benefit for developers who regularly handle datetime operations.