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Use .NET-specific min OS versions to build native code for .NET #10659

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Tracked by #44736
rolfbjarne opened this issue Feb 18, 2021 · 4 comments
Open
Tracked by #44736

Use .NET-specific min OS versions to build native code for .NET #10659

rolfbjarne opened this issue Feb 18, 2021 · 4 comments
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enhancement The issue or pull request is an enhancement estimate-2d iOS Issues affecting Xamarin.iOS macOS Issues affecting Xamarin.Mac performance If an issue or pull request is related to performance
Milestone
.NET 9

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@rolfbjarne
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rolfbjarne commented Feb 18, 2021 •
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It looks like we're going to drop support for a few older OS versions.

In particular the new min OS versions are going to be:

We have to update our code accordingly to handle this (instead of using the min OS versions defined for legacy Xamarin)
@rolfbjarne rolfbjarne added enhancement The issue or pull request is an enhancement macOS Issues affecting Xamarin.Mac iOS Issues affecting Xamarin.iOS dotnet-pri1 .NET 6: important for stable release labels Feb 18, 2021
@rolfbjarne rolfbjarne added this to the .NET 6 milestone Feb 18, 2021
@spouliot
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spouliot commented Feb 19, 2021 •
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That would be 10.14+ for net6

https://github.com/dotnet/core/blob/main/release-notes/6.0/supported-os.md

@spouliot
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we also need to define/confirm the minimum for Mac Catalyst

it started shipping in 10.15 (so before our minimum Mac) so the (rock bottom) minimum would be 13.0 (since it match the iOS version)

@rolfbjarne
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so the (rock bottom) minimum would be 13.0

Xcode 12.4 doesn't let you select anything lower than 10.15.1/13.2.

IMHO we shouldn't support anything lower than what the current stable Xcode does when our Mac Catalyst support goes to stable.

spouliot pushed a commit to spouliot/xamarin-macios that referenced this issue Mar 9, 2021
Add the minimum OS supported inside platform assemblies metadata
1d7245d 
The minimum OS supported for .net assemblies are specified in
https://github.com/dotnet/core/blob/master/release-notes/6.0/6.0-supported-os.md

The minimum for legacy assemblies are unchanged. However this information
will now be present in the assemblies (and not just in documentation and
code).

This PR partially address xamarin#10659 and possibly xamarin#10728

Fix xamarin#10793
@spouliot spouliot mentioned this issue Mar 9, 2021
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spouliot added a commit that referenced this issue Mar 10, 2021
@spouliot
Add the minimum OS supported inside platform assemblies metadata (#10820
77b3c21 
)

The minimum OS supported for .net assemblies are specified in
https://github.com/dotnet/core/blob/master/release-notes/6.0/6.0-supported-os.md

The minimum for legacy assemblies are unchanged. However this information
will now be present in the assemblies (and not just in documentation and
code).

This PR partially address #10659 and possibly #10728

Fix #10793
@samhouts samhouts mentioned this issue Jul 7, 2021
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@rolfbjarne rolfbjarne modified the milestones: .NET 6, .NET 7 Jan 25, 2022
@rolfbjarne rolfbjarne modified the milestones: .NET 7, .NET 8 Aug 26, 2022
@rolfbjarne rolfbjarne added performance If an issue or pull request is related to performance and removed dotnet-pri1 .NET 6: important for stable release labels Aug 26, 2022
@rolfbjarne rolfbjarne changed the title [.NET 6] Use .NET-specific min OS versions Use .NET-specific min OS versions to build native code for .NET Aug 26, 2022
@rolfbjarne
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This will be easier to implement after we've dropped support for legacy Xamarin, which will happen for Xcode 15, so I'm postponing this until .NET 9.

@rolfbjarne rolfbjarne modified the milestones: .NET 8, .NET 9 Apr 25, 2023
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