[release/6.0-preview4] Use same TimeZoneInfo implementation on iOS/tvOS as on browser#51497
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mmitche merged 2 commits intorelease/6.0-preview4from Apr 20, 2021
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…b.Shared.projitems Co-authored-by: Alexander Köplinger <alex.koeplinger@outlook.com>
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I couldn't figure out the best area label to add to this PR. If you have write-permissions please help me learn by adding exactly one area label. |
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@marek-safar please approve |
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Apr 19, 2021
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@akoeplinger Can you take a look at these failures? |
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@mmitche they're unrelated to this change since this PR only applies to iOS/tvOS. |
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Looks like the failures are #51502 |
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Backport of #51457 to release/6.0-preview4
/cc @akoeplinger @filipnavara
Customer Impact
There is a bug in ICU that leads to deadlock when the time zone data are stripped. Since dotnet/icu uses the same stripping of data on all the platforms the time zone data are also not present on iOS/tvOS or any platform that consumes it.
We can workaround this ICU bug by using the stripped down version of TimeZoneInfo on iOS/tvOS.
See:
Testing
Manual testing.
Risk
Low, this aligns iOS/tvOS with what we do for Browser today.