Most of our efforts have shifted to improving the API for a 0.5 release, for which cleanups and refactorings are landing on the 0.4.x branch.
The most significant changes in this release are two sets of deprecations.
We deprecated all timestamp-related methods on NaiveDateTime. The reason is that a timestamp is defined to be in UTC. The NaiveDateTime type doesn't know the offset from UTC, so it was technically wrong to have these methods. The alternative is to use the similar methods on the DateTime<Utc> type, or from the TimeZone trait.
Converting from NaiveDateTime to DateTime<Utc> is simple with .and_utc(), and in the other direction with .naive_utc().
The panicking constructors of TimeDelta (the new name of the Duration type) are deprecated. This was the last part of chrono that defaulted to panicking on error, dating from before rust 1.0.
A nice change is that NaiveDate now includes a niche. So now Option<NaiveDate>, Option<NaiveDateTime> and Option<DateTime<Tz>> are the same size as their base types.
format::Numeric and format::Fixed are marked as non_exhaustive. This will allow us to improve our formatting and parsing support, and we have reason to believe this breaking change will have little to no impact on users.
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Bumps chrono from 0.4.33 to 0.4.35.
Release notes
Sourced from chrono's releases.
... (truncated)
Commits
9fdb596
Prepare 0.4.359e667b6
Deprecate panickingTimeDelta
constructors2c1b0be
Tests: replaceTimeDelta::milliseconds
withtry_milliseconds
2bf3302
Tests: replaceTimeDelta::seconds
withtry_seconds
f93508f
Tests: replaceTimeDelta::minutes
withtry_minutes
9fc931a
Tests: replaceTimeDelta::hours
withtry_hours
9f23c08
Tests: replaceTimeDelta::days
withtry_days
e8f9b5e
Tests: replaceTimeDelta::weeks
withtry_weeks
51a1aa2
Tests: useDays
type when it is more appropriate thanTimeDelta
4251bd1
ReplaceTimeDelta::seconds
withtry_seconds
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