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Upgrading Avalonia 0.10 to 11

Breaking0.10.22 → 11.3.22Breaking10Security5Platform2Deprecated4New294Changed222Fixed906Other154

Full comparisonBack to Avalonia
BreakingUpgrade verdict

10 breaking changes and 2 platform requirement changes and 5 security fixes.

In plain terms
  • The old CF_TEXT clipboard format is no longer used on Windows.
  • The separate Avalonia.ReactiveUI package is gone, so projects using it must change.
  • Removes DataGrid from the main repository.
  • Removes Console support in DevTools.
Must act Top 5 of 21 that need code or config changes

Avalonia publishes an official migration guide for version 11. It covers more than the release notes do.

Migration guide ↗

Target frameworks requirement changed in 11.1.0-beta1: .NETCoreApp2.0, .NETFramework4.6.1, .NETStandard2.0 → .NETStandard2.0, net6.0, net8.0.

What you must change

Breaking10
Removes obsolete clipboard format CF_TEXT on Windows.
CF_TEXT
11.3.11GitHub ReleaseSummarizedView source
Removes the Avalonia.ReactiveUI package.
Avalonia.ReactiveUI
11.3.10GitHub ReleaseSummarizedView source
Removes DataGrid from the main repository.
DataGrid
11.3.0GitHub ReleaseSummarizedView source
Removes Console support in DevTools.
DevTools
11.1.0GitHub ReleaseSummarizedView source
Renames Win32SpecificOptions to Win32Properties.
Win32SpecificOptionsWin32Properties
11.1.0GitHub ReleaseSummarizedView source
Renames ImportCompeted into ImportCompleted.
ImportCompetedImportCompleted
11.0.1GitHub ReleaseSummarizedView source
Moves ItemsRepeater to a dedicated repository.
ItemsRepeater
11.2.0GitHub ReleaseSummarizedView source
Seals several Avalonia.Base classes whose constructors are not public and which have no inheritors.
Avalonia.Base
11.1.0GitHub ReleaseSummarizedView source
Lists breaking changes in rc2 via a filtered pull request query, described as hopefully the last ones.
11.0.0-rc2.2GitHub ReleaseSummarizedView source
Makes NamespaceInfo internal.
NamespaceInfo
11.1.0GitHub ReleaseSummarizedView source
Security5
Bumps SharpCompress from 0.24.0 to 0.48.0 in the VNC component.
SharpCompress
11.3.15GitHub ReleaseSummarizedView source
Bumps Tmds.DBus.Protocol to 0.21.3 on Linux.
Tmds.DBus.Protocol
11.3.14GitHub ReleaseSummarizedView source
Fixes SixLabors ImageSharp out-of-bounds write vulnerability CVE-2024-41131.
SixLabors.ImageSharp
11.2.0GitHub ReleaseSummarizedView source
Fixes a security issue in the previewer.
11.0.5GitHub ReleaseSummarizedView source
Updates SkiaSharp to 2.88.6 to fix a critical security vulnerability.
SkiaSharp
11.0.5GitHub ReleaseSummarizedView source
Platform2
iOS and Android backends now require .NET 8 or newer.
11.1.0-beta1GitHub ReleaseSummarizedView source
Browser backend now requires .NET 8 or newer and has a changed project structure.
11.1.0-beta1GitHub ReleaseSummarizedView source

Deprecations to plan for

Deprecated4
Obsoletes CompiledBindingPathBuilder.SetRawSource.
CompiledBindingPathBuilder.SetRawSource
11.2.0GitHub ReleaseSummarizedView source
Marks unstable math utilities as unstable.
11.1.0GitHub ReleaseSummarizedView source
RadialGradientBrush adds separate RadiusX and RadiusY properties; the old Radius property is obsolete.
RadialGradientBrushRadiusXRadiusYRadius
11.1.0-beta1GitHub ReleaseSummarizedView source
Marks CubicBezierEasing as obsolete.
CubicBezierEasing
11.0.6GitHub ReleaseSummarizedView source