Briefs

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01/05/2026 · Blog Post

Metalama 2026.0 Generally Available: Full Support for C# 14 and .NET 10

Metalama 2026.0 is now generally available! This major release brings full support for C# 14—the most significant evolution of the C# language in years—along with .NET 10 SDK and Visual Studio 2026 compatibility. We’re also closing one of the last feature gaps with PostSharp: the ability to override event handler invocations. And you’re getting first-class support for tuple types.

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12/19/2025 · Brief

Metalama 2026.0.10-rc released

We’ve released Metalama 2026.0.10-rc with a minor bug fixes. See the GitHub release.

12/12/2025 · Brief

Metalama 2026.0.9-rc released

We’ve released Metalama 2026.0.9-rc with a critical bug fix for legacy .NET Framework projects. See the GitHub release.

12/09/2025 · Brief

Metalama 2026.0.8-rc and 2025.1.17 released

We’ve released Metalama 2026.0.8-rc with breaking changes to ServiceLocator registration, nullability handling, and test framework APIs, plus multiple bug fixes. We’ve also released Metalama 2025.1.17 with bug fixes for nullable type parameters and design-time issues. See the GitHub releases for 2026.0.8-rc and 2025.1.17.

12/04/2025 · Brief

Metalama 2026.0.7-rc released

We’ve released Metalama 2026.0.7-rc with new metrics APIs, bug fixes, and Roslyn 5.0.0 GA. See the GitHub release.

11/30/2025 · Blog Post

Metalama November 2025 Update: Release Candidate for Metalama 2026.0

Metalama 2026.0 has reached Release Candidate status! All planned features are implemented, our test suite is green, and the release is stable enough for production evaluation. We’re now gathering community feedback ahead of our GA release on January 5th, 2026.

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11/29/2025 · Brief

Metalama 2026.0.6-rc released

We’ve released Metalama 2026.0.6-rc, our first RC of 2026.0, with multiple bug fixes and performance enhancements principally in the VSX and the design-time experience. See the GitHub release.

11/12/2025 · Brief

Metalama 2026.0.5-preview released, updated to .NET SDK 10.0.100

We’ve released Metalama 2026.0.5-preview, fixing bugs and referencing .NET SDK 10.0.100 GA. See the GitHub release for details. Final testing is in progress, and we have found a few bugs to be addressed before we can call this RC.

11/08/2025 · Brief

Metalama 2026.0.4-preview released, code-complete.

We’ve released Metalama 2026.0.4-preview, our first code-complete preview for Metalama 2026.0. See the GitHub release for details.

10/30/2025 · Blog Post

Metalama October 2025 Update: Full Steam Ahead Toward 2026.0

October is traditionally our busiest month. Microsoft ships the RCs of the .NET SDK, C# and Visual Studio, and we sprint to make Metalama ready. This year is no exception: we’ve made solid progress, and we’re confident we’ll be ready on time for the GA wave. Below is a recap of what we shipped and what’s coming.

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10/30/2025 · Brief

Metalama 2026.0.3-preview released, with mostly complete C# 14 support.

We’ve released Metalama 2026.0.3-preview, which now almost completely supports .NET 10 SDK and C# 14. See the GitHub release for details.

10/22/2025 · Brief

Metalama 2025.1.16 released, with bug fixes.

We’ve released Metalama 2025.1.16 with a few bug fixes. See the GitHub release for details.

10/15/2025 · Brief

There will be no Metalama 2025.2 GA.

Given it’s so close to 2026.0, we decided not to release Metalama 2025.2 as an independently supported version. There will be no Metalama 2025.2 GA. Please use Metalama 2026.0 instead.

10/07/2025 · Brief

Metalama 2025.1.15, 2025.2.5-rc and 2026.0.2-preview support Visual Studio 2026.

We’ve updated the three versions of Metalama we’re maintaining with support for Visual Studio 2026. You must update both the Visual Studio Extension and the packages. See the GitHub releases 2025.1.15, 2025.2.5-rc and 2026.0.2-preview.

10/04/2025 · Brief

Metalama 2026.0.1-preview released, with support for .NET 10 SDK

We’ve released the first preview of Metalama 2026.0, adding support for .NET 10 SDK RC1. See the GitHub release.

10/01/2025 · Blog Post

Metalama Status Update, September 2025

Welcome to Metalama’s September 2025 status update. After a relaxed summer, we’re back in full swing, delivering .NET 10 SDK support for Metalama and closing a key gap versus PostSharp: the ability to override event handler invocations.

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10/01/2025 · Brief

Metalama 2025.2.4-rc released. Advising event raisers

We’ve released the final RC for Metalama 2025.2, adding the ability to override the invocation of event handlers (see the doc). See the GitHub release.

09/30/2025 · Brief

Metalama 2025.1.14 released - Limited .NET SDK 10 support

For those who can’t wait for Metalama 2026.0 with full .NET SDK 10 support, this build includes minor changes to make Metalama compatible with .NET SDK 10 in most cases, while new C# features are not yet supported.

09/19/2025 · Brief

Metalama 2025.2 Preview released - Advising event raisers

We’ve released the first preview of Metalama 2025.2, allowing overriding of the event raiser logic. See the GitHub release.

09/05/2025 · Brief

Metalama 2025.1.13 released - Bug fixes

We’ve released Metalama 2025.1.13, fixing overriding members with covariant return types. See the GitHub release.