PostSharp Blog

Metalama October 2025 Update: Full Steam Ahead Toward 2026.0

by Gael Fraiteur on 30 Oct 2025

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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Metalama Status Update, September 2025

by Gael Fraiteur on 01 Oct 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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Security Notice: Data Leak Affecting a Limited Number of Accounts

by Gael Fraiteur on 07 Sep 2025

We regret to inform you of a data leak that occurred on the PostSharp Customer Portal between Wednesday, September 3rd, and Tuesday, September 9th.

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Breaking Update of PostSharp Caching adapter for Redis in 2025.1

by Gael Fraiteur on 01 Sep 2025

We have released a refactored version of PostSharp.Patterns.Caching.Backends.Redis in PostSharp 2025.1 to address a reliability issue that could surface in multi-node Redis deployments (master/replica or cluster) when cache dependencies are enabled under sustained load. The fix required a redesign of the internal data schema, which is why this is a breaking change (one-time cache purge). Outsid...

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PostSharp Is Now Source Available

by Gael Fraiteur on 07 Aug 2025

This spring we open-sourced Metalama. Continuing that push for transparency and dependability, PostSharp’s source code is now available to enterprise customers at no extra cost. You can access a read-only mirror of our primary Git repository, including every version back to 1.0 (2009). It’s an exact copy of the repo we use to build the product — down to the commas. We also provide a supported, ...

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