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.NET CORE 3.1 Razor Page Bug

area-compilerUmbrella for all compiler issuesUmbrella for all compiler issues

bugSomething isn't workingSomething isn't working

Status: Closed (completed).

#4627 In dotnet/razor;

· by IrakliLomidze was closed on Jan 15, 2026

Umbrella: Replace IDynamicDocumentInfoProviders

area-compilerUmbrella for all compiler issuesUmbrella for all compiler issues

feature-hot-reloadThis issue is related to the Hot Reload featureThis issue is related to the Hot Reload feature

perf 📊

tooling big rock ⚪

vs

vsmac

Status: Closed (completed).

#6919 In dotnet/razor;

· by chsienki was closed on Mar 9, 2026

Disallow (@:) syntax in .razor files

area-compilerUmbrella for all compiler issuesUmbrella for all compiler issues

bugSomething isn't workingSomething isn't working

Status: Closed (completed).

#7681 In dotnet/razor;

· by ajaybhargavb was closed on Jan 15, 2026

Add View Code context menu for Razor files

Status: Closed (completed).

#7869 In dotnet/razor;

· by danroth27 was closed on Jan 19, 2026

Generate compiler warning when a checkbox is missing checked attribute

affected-few

area-compilerUmbrella for all compiler issuesUmbrella for all compiler issues

enhancementSmall improvement requestSmall improvement request

Status: Not planned (skipped).

#7645 In dotnet/razor;

· by mkArtakMSFT was closed on Jan 16, 2026

Our way of pooling TokenBuilder leaks for multiple documents

area-compilerUmbrella for all compiler issuesUmbrella for all compiler issues

area-parsing

investigate

perf 📊

Priority:2

triaged

Status: Closed (completed).

Bug

#7647 In dotnet/razor;

· by NTaylorMullen was closed on Jan 16, 2026

Razor compiler error with legit syntax for inline helper method

area-compilerUmbrella for all compiler issuesUmbrella for all compiler issues

bugSomething isn't workingSomething isn't working

Priority:1

triaged

Status: Closed (completed).

#7652 In dotnet/razor;

· by SteveSandersonMS was closed on Jan 16, 2026

C# 9.0 Range switch does not work in blazor @code template

area-compilerUmbrella for all compiler issuesUmbrella for all compiler issues

area-parsing

bugSomething isn't workingSomething isn't working

Status: Closed (completed).

#8351 In dotnet/razor;

· by nothrow was closed on Feb 2, 2026

[Perf] Umbrella: Improve hot reload 'first-edit' performance

area-compilerUmbrella for all compiler issuesUmbrella for all compiler issues

feature-hot-reloadThis issue is related to the Hot Reload featureThis issue is related to the Hot Reload feature

Status: Closed (completed).

#8080 In dotnet/razor;

· by chsienki was closed on Mar 9, 2026

Use serialized code document internals inside tooling instead of generating locally

area-compilerUmbrella for all compiler issuesUmbrella for all compiler issues

Status: Closed (completed).

#8647 In dotnet/razor;

· by chsienki was closed on Mar 9, 2026

Stop injecting documents via IDynamicDocumentInfo and turn on generation in the generator

area-compilerUmbrella for all compiler issuesUmbrella for all compiler issues

Status: Closed (completed).

#8648 In dotnet/razor;

· by chsienki was closed on Mar 9, 2026

Breakpoints is not working in Razor files *.cshtml - Umbraco template

author: migration bot 🤖The issue was created by a issue mover bot. The author may not be the actual authorThe issue was created by a issue mover bot. The author may not be the actual author

Status: Closed (completed).

#12331 In dotnet/razor;

· by vsfeedback was closed on Feb 24, 2026

Simplify code that gets source generated or Razor documents in cohosting

Status: Closed (completed).

#12637 In dotnet/razor;

· by davidwengier was closed on Feb 16, 2026

Blazor WASM: Small bug with error given on removed directory in relation to the _Imports.razor

investigate

Status: Closed (completed).

#7646 In dotnet/razor;

· by MikeAllan0121 was closed on Feb 5, 2026

@@ escape works in HTML content but fails in component attribute values – inconsistent Razor behavior

area-compilerUmbrella for all compiler issuesUmbrella for all compiler issues

Status: Closed (completed).

Bug

#12663 In dotnet/razor;

· by zhuangState was closed on Feb 23, 2026

Cohosting in VS Code doesn't honour "html.autoClosingTags" setting

Status: Closed (completed).

#12734 In dotnet/razor;

· by davidwengier was closed on Feb 2, 2026

Explicitly pass formatting options to Roslyn APIs (via External Access)

Status: Merged (completed).

dotnet/razornumber 6166

#6166 In dotnet/razor;

· by tmat was closed on Jul 8, 2024

Adopt WellKnownTypeProvider for type lookup by name

Status: Closed (abandoned).

dotnet/razornumber 8310

#8310 In dotnet/razor;

· by sharwell was closed on Jul 16, 2025

Build a common O# VS server library dependency.

enhancementSmall improvement requestSmall improvement request

tech-debt

vs

vscode

Status: Not planned (skipped).

#4476 In dotnet/razor;

· by NTaylorMullen was closed on Sep 9, 2025

There are some incorrect Razor log in output window when switch trace level from 'Verbose' to 'Off'

bugSomething isn't workingSomething isn't working

vscode

Status: Not planned (skipped).

#4428 In dotnet/razor;

· by Claire-kangkang was closed on Sep 9, 2025

Diagnostics can get misaligned by some whitespace problems

bugSomething isn't workingSomething isn't working

Status: Not planned (skipped).

#4424 In dotnet/razor;

· by ryanbrandenburg was closed on Sep 9, 2025

Vendor tests for Semantic colorization

feature-colorization

tech-debt

vscode

Status: Not planned (skipped).

#4461 In dotnet/razor;

· by ryanbrandenburg was closed on Sep 9, 2025

Restart Razor Language Server VSCode Command

enhancementSmall improvement requestSmall improvement request

vscode

Status: Not planned (skipped).

#4471 In dotnet/razor;

· by TanayParikh was closed on Sep 9, 2025

Benchmark WorkspaceProjectStateChangeDetector and other highly dependent systems

perf 📊

tech-debt

Status: Not planned (skipped).

#4415 In dotnet/razor;

· by ryanbrandenburg was closed on Sep 9, 2025

Refine JsonReader Handling to Prevent Infinite Looping With Corrupted JSON Structure

tech-debt

Status: Not planned (skipped).

#4528 In dotnet/razor;

· by TanayParikh was closed on Sep 9, 2025