0.4.21 is a bugfix release that mainly fixes one regression from 0.4.20:
Fall back to UTC in case no timezone is found. Unfortunately this is a regression from the changes we made in 0.4.20 where we now parse the timezone database ourselves. Before 0.4.20, TimeZone::now() fell back to UTC in the case it could not find the current timezone, but the new implementation panicked in that case.
Correctly detect timezone on Android (also #756). Android does have the timezone database installed, but it's in a different path, and it does not use /etc/localtime to keep track of the current timezone. Instead we now use the iana-time-zone crate as a dependency, since it already has quite a bit of logic for finding the current timezone on a host of platforms.
Additionally, there is a documentation fix that reverts an incorrect guarantee:
Document that %Y can have a negative value, both in formatting and in parsing (#760, thanks to @alex)
Chrono obeys the principle of Semantic Versioning, with one caveat: we may
move previously-existing code behind a feature gate and put it behind a new feature. This new
feature will always be placed in the previously-default feature, which you can use to prevent
breakage if you use no-default-features.
There were/are numerous minor versions before 1.0 due to the language changes.
Versions with only mechanical changes will be omitted from the following list.
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Bumps chrono from 0.4.20 to 0.4.21.
Release notes
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Changelog
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Commits
2d22e57Bump version number to 0.4.21557bcd5handle missing /etc/localtime on some unix platforms (#756)5edf4d0fixes #758 -- correctly document that %Y parses negative years (#760)a185d3bRemove unnecessary try_opt!() macroDependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
@dependabot rebase.Dependabot commands and options
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