[XAML] Incremental XAML Hot Reload (source-generated patch chains) - #34338

Merged

StephaneDelcroix merged 24 commits into

net11.0from

feature/xaml-incremental-hotreload

Jul 20, 2026

Commits on Jul 20, 2026

[XAML] Incremental Hot Reload: foundation

StephaneDelcroix
and
Copilot
committed
51da15d
[XAML] XIHR: structural diff (child add/remove/reorder)

StephaneDelcroix
and
Copilot
committed
37d1bc0
[XAML] XIHR: incremental hot reload sandbox sample

StephaneDelcroix
and
Copilot
committed
2fd871c
[XAML] XIHR: markup, binding, and attached property support

StephaneDelcroix
and
Copilot
committed
04e5c9a
[XAML] XIHR: MetadataUpdateHandler runtime integration

StephaneDelcroix
and
Copilot
committed
b005098
[XAML] XIHR: ResourceDictionary hot reload

StephaneDelcroix
and
Copilot
committed
0395dcb
[XAML] XIHR: handler optimization, IC fallback gate, cleanup, and review feedback
StephaneDelcroix
committed
cffca54
Enable XIHR by default; EnableMauiIncrementalHotReload implies MauiXamlHotReload=SourceGen

StephaneDelcroix
and
Copilot
committed
2a8ea9f
Implement HotReloadDiagnostics API (dotnet/maui#36078)

StephaneDelcroix
and
Copilot
committed
ccff2ca
Add HotReloadDiagnostics to PublicAPI.Unshipped.txt

StephaneDelcroix
and
Copilot
committed
dbc6da5
Fix malformed HotReloadDiagnostics PublicAPI entries on platform TFMs

StephaneDelcroix
and
Copilot
committed
44afec2
Address multi-model review: Debug-gate XIHR default, harden diagnostics

StephaneDelcroix
and
Copilot
committed
845935c
Fix UpdateComponent CS0128 duplicate locals; deterministic ToDebugString

StephaneDelcroix
and
Copilot
committed
23bb055
Set DOTNET_MODIFIABLE_ASSEMBLIES=debug for Helix unit tests

StephaneDelcroix
and
Copilot
committed
ffdc739
[XSG] Fix incremental hot reload content-property cast (CS0266)

StephaneDelcroix
and
Copilot
committed
0de708f
Deduplicate PublicAPI entries after net11.0 rebase

StephaneDelcroix
and
Copilot
committed
4ca205b
Isolate XIHR patch-chain state per project (fixes cross-project CS0234 leak)

StephaneDelcroix
and
Copilot
committed
1f9f307
Address review: rename synthetic content key, make generator catches explicit

StephaneDelcroix
and
Copilot
committed
9a2ed35
Add tests promised in review: added-named-element registry tracking + content transitions

StephaneDelcroix
and
Copilot
committed
d1df9f4
Make XAML Incremental Hot Reload opt-in for initial ship

StephaneDelcroix
and
Copilot
committed
d136327
Skip XIHR E2E tests when MetadataUpdater is unsupported; fix Helix env var

StephaneDelcroix
and
Copilot
committed
e7b5e5f
[HotReload] Surface XAML Incremental Hot Reload diagnostics for IDE tooling (#36459)

noiseonwires
authored and
StephaneDelcroix
committed
80d9a5c
[XAML HR] Emit DataTemplate content as a stable named method for EnC (#36482)

StephaneDelcroix
and
Copilot
committed
368939b
Address review: specific catch, drop shim method, remove banner comments

StephaneDelcroix
and
Copilot
committed
1f3232b

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[XAML] Incremental XAML Hot Reload (source-generated patch chains) - #34338

[XAML] Incremental XAML Hot Reload (source-generated patch chains)#34338
StephaneDelcroix merged 24 commits into
net11.0from
feature/xaml-incremental-hotreload

Commits on Jul 20, 2026

[XAML] Incremental Hot Reload: foundation

[XAML] XIHR: structural diff (child add/remove/reorder)

[XAML] XIHR: incremental hot reload sandbox sample

[XAML] XIHR: markup, binding, and attached property support

[XAML] XIHR: MetadataUpdateHandler runtime integration

[XAML] XIHR: ResourceDictionary hot reload

[XAML] XIHR: handler optimization, IC fallback gate, cleanup, and review feedback

Enable XIHR by default; EnableMauiIncrementalHotReload implies MauiXamlHotReload=SourceGen

Implement HotReloadDiagnostics API (dotnet/maui#36078)

Add HotReloadDiagnostics to PublicAPI.Unshipped.txt

Fix malformed HotReloadDiagnostics PublicAPI entries on platform TFMs

Address multi-model review: Debug-gate XIHR default, harden diagnostics

Fix UpdateComponent CS0128 duplicate locals; deterministic ToDebugString

Set DOTNET_MODIFIABLE_ASSEMBLIES=debug for Helix unit tests

[XSG] Fix incremental hot reload content-property cast (CS0266)

Deduplicate PublicAPI entries after net11.0 rebase

Isolate XIHR patch-chain state per project (fixes cross-project CS0234 leak)

Address review: rename synthetic content key, make generator catches explicit

Add tests promised in review: added-named-element registry tracking + content transitions

Make XAML Incremental Hot Reload opt-in for initial ship

Skip XIHR E2E tests when MetadataUpdater is unsupported; fix Helix env var

[HotReload] Surface XAML Incremental Hot Reload diagnostics for IDE tooling (#36459)

[XAML HR] Emit DataTemplate content as a stable named method for EnC (#36482)

Address review: specific catch, drop shim method, remove banner comments