We’re wrapping up the year with a supercharged **December edition** of **Talk .NET with .NET Team meetup series**! 🚀🎄 Get ready for an evening full of performance insights, runtime deep dives, and practical .NET features you can apply right away. Since this is our final meetup of calendar year 2025 (worry not, we will be back in 2026), we’re adding a touch of holiday spirit: warm seasonal food, cozy vibes, and a relaxed end-of-year atmosphere to go with great content and great people.
As always, expect sharp talks, strong community energy, and a room full of engineers who love learning, sharing, and building things that work.
We can’t wait to see you there!

Agenda & speakers:

* 5\.30pm \| Doors Open
* 6\.00pm \| \.**NET Build Performance: Principles and Tips** \| Jan Provaznik \(Microsoft\)
* 6\.45pm \| **On-Demand Log Emission with Log Buffering in .NET** \| Evgenii Fedorov \(Microsoft\)
* 7\.30pm \| **File-Based Apps in .NET 10** \| Jan Jones \(Microsoft\)
* 8\.00pm \| **Networking with food** 🙂☕
* 9\.00pm \| Doors closed

**TALK DETAILS:**
🟣 **.NET Build Performance: Principles and Tips** with [Jan Provaznik](https://www.linkedin.com/in/janprovaznik/) (Microsoft)
Build speed matters - slow builds waste time and block productivity. Jan will share strategies for analyzing your build to identify common bottlenecks and pitfalls using MSBuild binary logs and show simple optimizations that are not part of the default experience.

🟢 **On-Demand Log Emission with Log Buffering in .NET** with [Evgenii Fedorov](https://www.linkedin.com/in/evgenyfedorov2/) (Microsoft)
Discover how .NET’s new Log Buffering feature helps you control log verbosity at runtime. Instead of flooding your system with noisy logs, you can buffer and emit detailed logs only when issues occur and discarding them when everything runs smoothly. Evgenii will demonstrate how this approach reduces noise, improves observability, and cuts log storage costs.

🔵 **File-Based Apps in .NET 10** with [Jan Jones](https://www.linkedin.com/in/jan-jones-cz/) (Microsoft)
.NET 10 introduces first-class support for file-based apps - making it easier than ever to build, run, and ship simple .NET applications without full project scaffolding. This talk will explore how 'dotnet run file.cs' works under the hood, what scenarios it unlocks, and why file-based development is becoming an increasingly powerful pattern in the .NET ecosystem.

Our meetup wouldn’t be complete without him - once again, the evening will be moderated by the amazing [Jakub Jares](https://www.linkedin.com/in/jares/) (Microsoft)!

📍 Microsoft Office (Delta Building, Vyskočilova 1561/4a, Prague 4)
📅 Monday, December 8th, 2025
🕗 5.30pm - 9.00pm CET

☝️ Event Details:

* Language: English
* Cost: Free entry

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Jakub Jareš

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