Blazor .NET 9 tracking issue

## ASP.NET Core 9: Web UI Milestones

https://github.com/orgs/dotnet/projects/320/views/3

## Derived from the 9.0 roadmap

🟢 = Ready&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ✔️ = Done&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 🛑 = Wait on PU to finish&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ❌ = No action required



Status | Live | Issue | PR | Item | PU Links/ Blog
:---: | :---: | :---: | :---: | --- | :---:
✔ | [Live](https://learn.microsoft.com/en-us/aspnet/core/blazor/javascript-interoperability/static-server-rendering?view=aspnetcore-9.0) | #34086 | #34101 | `enhancednavigationstart`/`enhancednavigationend` events | 
✔ | [Live 1](https://learn.microsoft.com/en-us/aspnet/core/blazor/file-uploads?view=aspnetcore-9.0#file-size-read-and-upload-limits) [Live 2](https://learn.microsoft.com/en-us/aspnet/core/blazor/call-web-api?view=aspnetcore-9.0#client-side-request-streaming) [Live 3](https://learn.microsoft.com/en-us/aspnet/core/blazor/file-uploads?view=aspnetcore-9.0#upload-files-to-a-server-with-client-side-rendering-csr) | #33692 | #33693 | WASM streaming upload | [PU PR](https://github.com/dotnet/runtime/pull/91295)
✔ | [Live](https://learn.microsoft.com/en-us/aspnet/core/blazor/fundamentals/signalr?view=aspnetcore-9.0#reflect-the-server-side-connection-state-in-the-ui) | #34102 | #34104 | Update reconnection UI guidance | 
✔ | [Live](https://learn.microsoft.com/en-us/aspnet/core/blazor/components/built-in-components?view=aspnetcore-9.0) | #34076 | #34077 | Check/confirm no new components for built-in components article | 
✔ | &mdash; | https://github.com/dotnet/blazor-samples/issues/373 | https://github.com/dotnet/blazor-samples/issues/374 | Update components and assets in sample apps |
✔ | &mdash; | #33869 | #33870 #33872 | Cross-link 9.0 sample code into articles | 
✔️ | [Live](https://learn.microsoft.com/en-us/aspnet/core/blazor/security/blazor-web-app-with-entra?view=aspnetcore-9.0) | #33779 | #33805 | BWA with MS Identity Platform for Entra | [PU Issue](https://github.com/dotnet/aspnetcore/issues/49668) [New sample](https://github.com/dotnet/blazor-samples/pull/355)
✔ | [Live](https://learn.microsoft.com/en-us/aspnet/core/blazor/security/blazor-web-app-with-oidc?view=aspnetcore-9.0&pivots=without-bff-pattern) | #33801 | #33832 | BWA+OIDC article updates | [Sample updates](https://github.com/dotnet/blazor-samples/pull/367)
✔️ | [Live](https://learn.microsoft.com/en-us/aspnet/core/blazor/forms/input-components?view=aspnetcore-9.0#override-inputnumber-type-attribute) | #33556 | #33557 | Override InputNumber type attribute | &mdash;
✔️ | [Live](https://learn.microsoft.com/en-us/aspnet/core/blazor/components/quickgrid?view=aspnetcore-9.0#quickgrid-implementation) | #32614 | #32617 | Overscan count | https://github.com/dotnet/AspNetCore.Docs/pull/32611
✔️ | [SignalR](https://learn.microsoft.com/en-us/aspnet/core/blazor/fundamentals/signalr?view=aspnetcore-9.0#websocket-compression-for-interactive-server-components) [Security](https://learn.microsoft.com/en-us/aspnet/core/blazor/security/server/interactive-server-side-rendering?view=aspnetcore-9.0#interactive-server-components-with-websocket-compression-enabled) | #31915 | #31918 | Enable compression on blazorpack | See docs issue for PU cross-links
✔️ | [Live](https://learn.microsoft.com/en-us/aspnet/core/blazor/fundamentals/dependency-injection?view=aspnetcore-9.0#request-a-service-in-a-component) | #31926 | #31927 | Constructor injection for Blazor components | [Issue](https://github.com/dotnet/aspnetcore/issues/18088) [PR](https://github.com/dotnet/aspnetcore/pull/53915)
✔️ | [Live](https://learn.microsoft.com/en-us/aspnet/core/blazor/javascript-interoperability/?view=aspnetcore-9.0#compression-for-interactive-server-components-with-untrusted-data) | #31916 | #32096 | Remark on CRIME/BREACH in route param and query string guidance | The *Live* link is one of three examples (JS interop). The other two appearances are in the *Route Params* section (*Components* overview article) and *Query Strings* (*Routing* article) sections.
✔ | [Live](https://learn.microsoft.com/en-us/aspnet/core/blazor/security/server/?view=aspnetcore-9.0&tabs=visual-studio#blazor-identity-ui-individual-accounts) | #32797 | #32799 #33832 | Built in AuthenticationStateProviders from project templates | [PU PR](https://github.com/dotnet/aspnetcore/pull/55821) [Pre5 issue](https://github.com/dotnet/AspNetCore.Docs/issues/32692#issuecomment-2155731522)
✔ | [Live](https://learn.microsoft.com/en-us/aspnet/core/blazor/components/render-modes?view=aspnetcore-9.0#static-ssr-pages-in-a-globally-interactive-app) | &mdash; | #32599 | Provide a mechanism for rendering Blazor pages statically even when the app is set up for interactive rendering | [Issue 1](https://github.com/dotnet/aspnetcore/issues/51046) [Issue 2](https://github.com/dotnet/aspnetcore/issues/55204) [PR](https://github.com/dotnet/aspnetcore/pull/55157) [Post](https://github.com/dotnet/AspNetCore.Docs/issues/32361#issuecomment-2073369905)
✔️ | [Live](https://learn.microsoft.com/en-us/aspnet/core/blazor/fundamentals/signalr?view=aspnetcore-9.0#adjust-the-server-side-reconnection-retry-count-and-interval) | #32789 | #32790 | Better reconnection logic for Blazor Server | [Issue](https://github.com/dotnet/aspnetcore/issues/32113) [Pre5 issue](https://github.com/dotnet/AspNetCore.Docs/issues/32692#issuecomment-2155184689)
✔️ | [Live](https://learn.microsoft.com/en-us/aspnet/core/blazor/components/render-modes?view=aspnetcore-9.0#detect-the-current-render-mode-at-runtime) | #32780 | #32794 | Detect the current render mode at runtime | [Issue](https://github.com/dotnet/aspnetcore/issues/49401) [Pre5 issue](https://github.com/dotnet/AspNetCore.Docs/issues/32692#issuecomment-2155207887) [PU PR](https://github.com/dotnet/aspnetcore/pull/55577)
✔️ | [Live](https://learn.microsoft.com/en-us/aspnet/core/blazor/fundamentals/static-files?view=aspnetcore-9.0#static-asset-middleware) | #32810 | #32811 #33856 #34009 [Samples](https://github.com/dotnet/blazor-samples/pull/371) | Map Static Assets Blazor-specific coverage | [Pre5 issue](https://github.com/dotnet/AspNetCore.Docs/issues/32692#issuecomment-2155207887)
✔️ | [Live](https://learn.microsoft.com/en-us/aspnet/core/blazor/components/render-modes?view=aspnetcore-9.0#detect-rendering-location-interactivity-and-assigned-render-mode-at-runtime) | #32996 | #32997 | Change 'Platform' to 'RendererInfo' for Render Mode detection API | [PR](https://github.com/dotnet/aspnetcore/pull/56263)
✔️ | [Live](https://learn.microsoft.com/en-us/aspnet/core/blazor/fundamentals/static-files?view=aspnetcore-9.0) | #33005 | #33010 | Optimize file delivery for web apps and fingerprinting | See docs issue for links
✔️ | &mdash; | &mdash; | &mdash; | Append Hashes To Blazor Published Files | [Issue](https://github.com/dotnet/aspnetcore/issues/47575) Seems to be covered by/related to the preceding *file delivery* work item.
✔️ | &mdash; | &mdash; | &mdash; | Move integrity support to the Static Web Assets SDK from the Blazor WebAssembly SDK | [Issue](https://github.com/dotnet/aspnetcore/issues/47000) Seems to be covered by/related to the preceding *file delivery* work item.
❌ | &mdash; | #33728 | &mdash; | Improved debugging experience for Blazor WASM | No update needed.
❌ | &mdash; | &mdash; | &mdash; | AsNonRenderingEventHandler + ErrorBoundary = unexpected behavior | [Issue](https://github.com/dotnet/aspnetcore/issues/54543) **Resolved as a support request**



## Moved to .NET 10

* Add Microsoft Identity Platform auth option to the Blazor Web App template | [Issue](https://github.com/dotnet/aspnetcore/issues/51202)
* [browser] Publish wasmbrowser app from Visual Studio doesn't respect "include RID in output path" | [Issue](https://github.com/dotnet/runtime/issues/99159)
* Add activities to Blazor Server for distributed tracing | [Issue](https://github.com/dotnet/aspnetcore/issues/29846)
* Declarative model to serialize state on prerendering with Blazor and restore it on the client | [Issue](https://github.com/dotnet/aspnetcore/issues/26794)
* Revisit hot reload browser refresh script injection | [Issue](https://github.com/dotnet/aspnetcore/issues/45213)
* Support persistent component state across enhanced page navigations | [Issue](https://github.com/dotnet/aspnetcore/issues/51584)
* Add Metrics for Blazor | [Issue](https://github.com/dotnet/aspnetcore/issues/53613)
* Add mechanism for interactively-rendered form to submit as HTTP request to SSR endpoint | [Issue](https://github.com/dotnet/aspnetcore/issues/53129)
* Real multithreading in Blazor WebAssembly | [Issue](https://github.com/dotnet/aspnetcore/issues/17730) [Runtime Issue](https://github.com/dotnet/runtime/issues/85592) SEE :point_right: https://github.com/dotnet/AspNetCore.Docs/issues/31770#issuecomment-1973587111
* APIs for components to persist state across circuits manually | [Issue](https://github.com/dotnet/aspnetcore/issues/30344)
* Adding a route to a Blazor component doesn't work with hot reload | [Issue](https://github.com/dotnet/aspnetcore/issues/52582)
* Ability to set port for browser refresh websocket connection when using dotnet watch | [Issue](https://github.com/dotnet/aspnetcore/issues/39765)
* Modernize the Blazor Web template | [Issue](https://github.com/dotnet/aspnetcore/issues/53142)
* Generate modern JS outputs that can be consumed by other JS toolchains (Blazor->JS) | [Issue](https://github.com/dotnet/aspnetcore/issues/53215)
* When prerendering, emit culture name and use it on WebAssembly side | [Issue](https://github.com/dotnet/aspnetcore/issues/26941)
* Blazor NavigationManager.NavigateTo always scrolls page to the top | [Issue](https://github.com/dotnet/aspnetcore/issues/40190)
* Add support to the QuickGrid paginator for static server rendering | [Issue](https://github.com/dotnet/aspnetcore/issues/51249)

## Derived from 8.0 issues/PRs not on the roadmap

🟢 = Ready&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ✔️ = Done&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 🛑 = Wait on PU to finish&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ❌ = No action required



Status | Live | Issue | PR | Item | PU Links/ Blog
:---: | :---: | :---: | :---: | --- | :---:
... | ... | ... | ... | ... | ...

Other

* xxx
* xxx

## 9.0 Post GA




Status | Issue | PR | Item
:---: | :---: | :---: | ---
✔ | #34120 | &mdash; | Undo the changes on #34118 and #34124 after https://github.com/dotnet/aspnetcore/issues/58951 is addressed in the framework. **Will be tracked by https://github.com/dotnet/aspnetcore/issues/53996, which is also on the 10.0 Milestones project.**
✔ | &mdash; | &mdash; | Confirm that the *Project Structure* article is correct for 9.0 based on the new templates. **No changes needed.**
✔ | &mdash; | #34277 | Finish up with "UPDATE 9.0" marked content.
✔ | #34155 | #34158 | Update article dates to 9.0 GA day.
✔ | #34121 | #34122 #34136 #34137 | Walk the movie tutorial to confirm all is well, especially that final scaffolder code matches what's in the article/sample app.
✔ | &mdash; | [PR](https://github.com/dotnet/blazor-samples/pull/394) | Sample app package version updates
✔ | #34012 | #34072 | API doc cross-links
✔ | &mdash; | #34099 | Enable (uncomment) the latest version INCLUDEs (preview notices).
❌ | &mdash; | &mdash; | The file uploads code changes on https://github.com/dotnet/AspNetCore.Docs/pull/33357 can be reverted ~for 9.0~ if the PU fixes their issue. **UPDATE**: Pushed by the PU to .NET 10 and noted in 2024 UE tracking, which will be copied to 2025's .NET 10 tracking issue.

## Other



Status | Live | Issue | PR | Item | PU Links/ Blog
:---: | :---: | :---: | :---: | --- | :---:
... | ... | ... | ... | ... | ...



## Blazor Hybrid

Status | Live | Issue | PR | Item | PU Links
:---: | :---: | :---: | :---: | --- | :---:
✔️ | [Live](https://learn.microsoft.com/en-us/aspnet/core/blazor/hybrid/tutorials/maui-blazor-web-app?view=aspnetcore-9.0) | #32792 | #32793 | New .NET MAUI Blazor Hybrid template | [Pre5 issue](https://github.com/dotnet/AspNetCore.Docs/issues/32692#issuecomment-2155475357)
✔ | [Live](https://learn.microsoft.com/en-us/aspnet/core/blazor/hybrid/tutorials/maui-blazor-web-app?view=aspnetcore-9.0) | #32802 | #33865 | MauiBlazorWeb 9.0 updates | [Docs PR for updates](https://github.com/dotnet/AspNetCore.Docs/pull/32793)



## Preview announcements

https://github.com/dotnet/aspnetcore/discussions?discussions_q=is%3Aopen+author%3Adanroth27

## .NET Blog posts

https://devblogs.microsoft.com/search?query=%22.NET+9%22&blogs=%2Fdotnet%2F&sortby=relevance&search-button=

## 9.0 preview/RC PU issues for analysis

This section of linked issues is assessed for items that didn't make the roadmap but have a bearing on docs.

* https://github.com/dotnet/aspnetcore/issues?q=is%3Aissue+label%3Aarea-blazor+milestone%3A9.0-preview1
* https://github.com/dotnet/aspnetcore/issues?q=is%3Aissue+label%3Aarea-blazor+milestone%3A9.0-preview2
* https://github.com/dotnet/aspnetcore/issues?q=is%3Aissue+label%3Aarea-blazor+milestone%3A9.0-preview3
* https://github.com/dotnet/aspnetcore/issues?q=is%3Aissue+label%3Aarea-blazor+milestone%3A9.0-preview4
* https://github.com/dotnet/aspnetcore/issues?q=is%3Aissue+label%3Aarea-blazor+milestone%3A9.0-preview5
* https://github.com/dotnet/aspnetcore/issues?q=is%3Aissue+label%3Aarea-blazor+milestone%3A9.0-preview6
* https://github.com/dotnet/aspnetcore/issues?q=is%3Aissue+label%3Aarea-blazor+milestone%3A9.0-preview7
* https://github.com/dotnet/aspnetcore/issues?q=is%3Aissue+label%3Aarea-blazor+milestone%3A9.0-rc1
* https://github.com/dotnet/aspnetcore/issues?q=is%3Aissue+label%3Aarea-blazor+milestone%3A9.0-rc2

## .NET 9 Planning

https://github.com/dotnet/aspnetcore/issues?q=is%3Aopen+is%3Aissue+label%3Aarea-blazor+milestone%3A%22.NET+9+Planning%22

Issues to watch :eyes: ...

* xxx
* xxx

## PU roadmap

[ASP.NET Core Roadmap for .NET 9 (dotnet/aspnetcore #51834)](https://github.com/dotnet/aspnetcore/issues/51834)

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Blazor .NET 9 tracking issue #31909

ASP.NET Core 9: Web UI Milestones

Derived from the 9.0 roadmap

Moved to .NET 10

Derived from 8.0 issues/PRs not on the roadmap

9.0 Post GA

Other

Blazor Hybrid

Preview announcements

.NET Blog posts

9.0 preview/RC PU issues for analysis

.NET 9 Planning

PU roadmap

Metadata

Assignees

Labels

Type

Fields

Projects

Milestone

Relationships

Development

Status	Live	Issue	PR	Item	PU Links/ Blog
✔	Live	#34086	#34101	`enhancednavigationstart`/`enhancednavigationend` events
✔	Live 1 Live 2 Live 3	#33692	#33693	WASM streaming upload	PU PR
✔	Live	#34102	#34104	Update reconnection UI guidance
✔	Live	#34076	#34077	Check/confirm no new components for built-in components article
✔	—	dotnet/blazor-samples#373	dotnet/blazor-samples#374	Update components and assets in sample apps
✔	—	#33869	#33870 #33872	Cross-link 9.0 sample code into articles
✔️	Live	#33779	#33805	BWA with MS Identity Platform for Entra	PU Issue New sample
✔	Live	#33801	#33832	BWA+OIDC article updates	Sample updates
✔️	Live	#33556	#33557	Override InputNumber type attribute	—
✔️	Live	#32614	#32617	Overscan count	#32611
✔️	SignalR Security	#31915	#31918	Enable compression on blazorpack	See docs issue for PU cross-links
✔️	Live	#31926	#31927	Constructor injection for Blazor components	Issue PR
✔️	Live	#31916	#32096	Remark on CRIME/BREACH in route param and query string guidance	The Live link is one of three examples (JS interop). The other two appearances are in the Route Params section (Components overview article) and Query Strings (Routing article) sections.
✔	Live	#32797	#32799 #33832	Built in AuthenticationStateProviders from project templates	PU PR Pre5 issue
✔	Live	—	#32599	Provide a mechanism for rendering Blazor pages statically even when the app is set up for interactive rendering	Issue 1 Issue 2 PR Post
✔️	Live	#32789	#32790	Better reconnection logic for Blazor Server	Issue Pre5 issue
✔️	Live	#32780	#32794	Detect the current render mode at runtime	Issue Pre5 issue PU PR
✔️	Live	#32810	#32811 #33856 #34009 Samples	Map Static Assets Blazor-specific coverage	Pre5 issue
✔️	Live	#32996	#32997	Change 'Platform' to 'RendererInfo' for Render Mode detection API	PR
✔️	Live	#33005	#33010	Optimize file delivery for web apps and fingerprinting	See docs issue for links
✔️	—	—	—	Append Hashes To Blazor Published Files	Issue Seems to be covered by/related to the preceding file delivery work item.
✔️	—	—	—	Move integrity support to the Static Web Assets SDK from the Blazor WebAssembly SDK	Issue Seems to be covered by/related to the preceding file delivery work item.
❌	—	#33728	—	Improved debugging experience for Blazor WASM	No update needed.
❌	—	—	—	AsNonRenderingEventHandler + ErrorBoundary = unexpected behavior	Issue Resolved as a support request

Status	Issue	PR	Item
✔	#34120	—	Undo the changes on #34118 and #34124 after dotnet/aspnetcore#58951 is addressed in the framework. Will be tracked by dotnet/aspnetcore#53996, which is also on the 10.0 Milestones project.
✔	—	—	Confirm that the Project Structure article is correct for 9.0 based on the new templates. No changes needed.
✔	—	#34277	Finish up with "UPDATE 9.0" marked content.
✔	#34155	#34158	Update article dates to 9.0 GA day.
✔	#34121	#34122 #34136 #34137	Walk the movie tutorial to confirm all is well, especially that final scaffolder code matches what's in the article/sample app.
✔	—	PR	Sample app package version updates
✔	#34012	#34072	API doc cross-links
✔	—	#34099	Enable (uncomment) the latest version INCLUDEs (preview notices).
❌	—	—	The file uploads code changes on #33357 can be reverted ~~for 9.0~~ if the PU fixes their issue. UPDATE: Pushed by the PU to .NET 10 and noted in 2024 UE tracking, which will be copied to 2025's .NET 10 tracking issue.

Status	Live	Issue	PR	Item	PU Links
✔️	Live	#32792	#32793	New .NET MAUI Blazor Hybrid template	Pre5 issue
✔	Live	#32802	#33865	MauiBlazorWeb 9.0 updates	Docs PR for updates

Blazor .NET 9 tracking issue #31909

Description

ASP.NET Core 9: Web UI Milestones

Derived from the 9.0 roadmap

Moved to .NET 10

Derived from 8.0 issues/PRs not on the roadmap

9.0 Post GA

Other

Blazor Hybrid

Preview announcements

.NET Blog posts

9.0 preview/RC PU issues for analysis

.NET 9 Planning

PU roadmap

Metadata

Metadata

Assignees

Labels

Type

Fields

Projects

Milestone

Relationships

Development

Issue actions