Waldek Mastykarz
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wldk.nl
Waldek Mastykarz
@wldk.nl
#Microsoft365 Developer Advocate @ #Microsoft, Microsoft 365 community member, #DevProxy, #CLIMicrosoft365, Microsoft 365 #Copilot

https://blog.mastykarz.nl
https://github.com/waldekmastykarz
Reposted by Waldek Mastykarz
Ignite 2025: A Developer’s Guide to Building Agents for Microsoft 365
Ignite 2025: A Developer’s Guide to Building Agents for Microsoft 365 - Microsoft 365 Developer Blog
A developer’s guide to building agents for Microsoft 365. See what’s new at Ignite 2025—Declarative Agents, Custom Engine Agents, and Agent 365 for enterprise-grade security and management.
devblogs.microsoft.com
November 21, 2025 at 8:51 PM
Reposted by Waldek Mastykarz
Nano Banana Pro, released this morning, is clearly the best image generation model. Superb instruction following, plus it can generate full infographics (with correct spelling and properly rendered text!) from a short prompt based on running extra searches simonwillison.net/2025/Nov/20/...
Nano Banana Pro aka gemini-3-pro-image-preview is the best available image generation model
Hot on the heels of Tuesday’s Gemini 3 Pro release, today it’s Nano Banana Pro, also known as Gemini 3 Pro Image. I’ve had a few days of preview access …
simonwillison.net
November 20, 2025 at 4:34 PM
Reposted by Waldek Mastykarz
🥳 I have a bit of news to share, github.com/microsoft/as... is now open source! #aspire @aspire.dev
GitHub - microsoft/aspire.dev: Source code for https://aspire.dev
Source code for https://aspire.dev. Contribute to microsoft/aspire.dev development by creating an account on GitHub.
github.com
November 12, 2025 at 7:01 PM
Reposted by Waldek Mastykarz
🎟️ De eerste kaarten zijn al vergeven!
Mis CollabDays Netherlands 2026 niet — hét event voor Microsoft 365 & Power Platform professionals 💪
📅 13 juni 2026
📍 Van der Valk Vianen
👉 www.collabdays.org/2025-nl/

#Community #Event #CollabDaysNL
November 14, 2025 at 11:01 AM
Reposted by Waldek Mastykarz
It's a great time to be a developer.
November 13, 2025 at 6:14 AM
Reposted by Waldek Mastykarz
So, what have ya'll built with .NET 10 so far today? Favorite features? Things still on your wish list?
November 11, 2025 at 11:29 PM
Reposted by Waldek Mastykarz
Using Azure DevOps and want to simulate behaviors in your pipelines? Yes, you can! Integrate Dev Proxy and automate API simulation, logging, and reporting, speeding builds and surfacing errors early. Catch integration issues and improve quality.

Check it out: learn.microsoft.com/microsoft-cl...
Use Dev Proxy with Azure Pipelines - Dev Proxy
How to use Dev Proxy with Azure Pipelines.
learn.microsoft.com
November 6, 2025 at 12:32 PM
Reposted by Waldek Mastykarz
November 5, 2025 at 10:37 AM
Reposted by Waldek Mastykarz
I got enough requests that I decided to experiment with Office Hours.

This is an opportunity to discuss a wide range of topics, including:
- PowerShell
- Technology
- Science
- Philosophy
- Whatever

I look forward to connecting with you.
calendar.app.google/PfayYCAYwTFG...
Jeffrey Snover Office Hours - Jeffrey Snover
calendar.app.google
November 4, 2025 at 9:00 PM
Reposted by Waldek Mastykarz
📣 A new #CLIMicrosoft365 beta version is out! With a 🆕 command for retrieving #sharepoint versioning settings for a site and fixes to the codebase.

⚙️ Try: `npm i -g @pnp/cli-microsoft365@next`.

📖 Release notes: pnp.github.io/cli-microsof...

#Microsoft365dev
November 3, 2025 at 11:58 AM
Reposted by Waldek Mastykarz
👷‍♂️ This release is brought to you by @martin-machacek.com and Saurabh Tripathi. Everything that's polished, shines! Thank you! 👏 🎉 

#CLIMicrosoft365 #Microsoft365dev #M365PnP
📣 A new #CLIMicrosoft365 beta version is out! With a 🆕 command for retrieving #sharepoint versioning settings for a site and fixes to the codebase.

⚙️ Try: `npm i -g @pnp/cli-microsoft365@next`.

📖 Release notes: pnp.github.io/cli-microsof...

#Microsoft365dev
November 3, 2025 at 12:00 PM
Reposted by Waldek Mastykarz
If you’re rarely surprised, you’re rarely learning.

Not something to be proud of.

Find more people or writers who make you say “Ohh…. Hmmm” more often.
November 3, 2025 at 3:48 AM
Reposted by Waldek Mastykarz
.NET Foundation most active Microsoft projects for October 2025... NET Runtime led the way in PRs (567), .NET MAUI in Commits (882), and Azure SDK for .NET in New Contributors (19). Honorable mention to .NET Aspire and Roslyn. Full list: dnfprojects.org/!/Oct-01-202... @dotnetfoundation.org
November 1, 2025 at 7:49 PM
Reposted by Waldek Mastykarz
Huge congratulations for all new Microsoft MVPs in November 2025! 👏

Thank you all for the invaluable work you do on helping others to succeed within their day to day work by sharing your knowledge 🧡

We are looking forward on what we can achieve together in the future! #MVPBuzz
November 1, 2025 at 10:30 AM
Reposted by Waldek Mastykarz
Dev Proxy v1.3 with exporting to HAR, LLM usage tracking, and enhanced permissions analysis | by Waldek Mastykarz & Garry Trinder

buff.ly/keAUnC3

#apis #devproxy #webapi #msgraph #microsoft365 #ai #auth #openapi
Dev Proxy v1.3 with exporting to HAR, LLM usage tracking, and enhanced permissions analysis - Microsoft 365 Developer Blog
Introducing Dev Proxy v1.3 with new plugins for inspecting and debugging API requests, along with enhanced permissions analysis and improved OpenAPI spec generation for complex testing scenarios.
buff.ly
October 31, 2025 at 9:01 PM
Reposted by Waldek Mastykarz
Dev Proxy v1.3.0 is out, with:

- HAR file generation for universal debugging
- LLM usage tracking for cost optimization,
- enhanced permissions analysis
- improved OpenAPI spec generation

Check it out: devblogs.microsoft.com/microsoft365...
Dev Proxy v1.3 with exporting to HAR, LLM usage tracking, and enhanced permissions analysis - Microsoft 365 Developer Blog
Introducing Dev Proxy v1.3 with new plugins for inspecting and debugging API requests, along with enhanced permissions analysis and improved OpenAPI spec generation for complex testing scenarios.
devblogs.microsoft.com
October 30, 2025 at 12:08 PM
Reposted by Waldek Mastykarz
Are you a @community.ms Recognition Program Contributor?

Find me at the Power Platform Conference & claim your contributor socks...only 40 pairs available!!!🧦

First come, first served.💜🧡

#PowerPlatform #Microsoft365 #CommunityContributor #SockSwag #PPCC25 #SharingIsCaring
October 29, 2025 at 2:46 AM
Reposted by Waldek Mastykarz
New app

Menu Drop
Drag and drop onto menu bar icon to AirDrop

sindresorhus.com/menu-drop
October 18, 2025 at 6:04 PM
Reposted by Waldek Mastykarz
For those who care and think
Great TEDx by @scott.hanselman.com

youtu.be/dVG8W-0p6vg
Tech Promised Everything. Did it deliver? | Scott Hanselman | TEDxPortland
YouTube video by TEDx Talks
youtu.be
October 25, 2025 at 6:24 AM
Reposted by Waldek Mastykarz
We are still looking for feedback on tsgo, but it is worth calling out we expect some type-checking changes that you may need to adapt to.

The native previews are easy to grab from npm, and are published nightly to try out!

www.npmjs.com/package/@typ...
October 24, 2025 at 12:22 AM
Reposted by Waldek Mastykarz
Imagine a browser where you type in “Taylor Swift” and it doesn’t even admit that her website exists. I write about Atlas, ChatGPT’s new anti-web browser that should come with a warning label. www.anildash.com/2025/10/22/a...
ChatGPT's Atlas: The Browser That's Anti-Web - Anil Dash
A blog about making culture. Since 1999.
www.anildash.com
October 22, 2025 at 9:13 PM
Reposted by Waldek Mastykarz
In our latest podcast episode of Scott and Mark Learn To, Scott Hanselman and I discuss the Microsoft career path for developers, including how we award Distinguished Engineer and Technical Fellow titles:

www.youtube.com/watch?v=-lfh...
EPISODE 25 - Scott and Mark Learn To... Level Up: Navigating Career Growth in Microsoft
YouTube video by Scott Hanselman
www.youtube.com
October 8, 2025 at 4:23 PM
Reposted by Waldek Mastykarz
Congrats @langchain.bsky.social team on the v1 release! 🎉

I'm happy to join the celebration with this new serverless Node.js agent built with LangChain.js v1 + MCP tools:
🍔 Interacts with a burger API
🔍 Streams traces to a web UI
☁️ Deploys with azd up

Repo: aka.ms/mcp-burger
GitHub - Azure-Samples/mcp-agent-langchainjs: Serverless AI agent using LangChain.js and Model Context Protocol (MCP) integration to order burgers from a burger restaurant
Serverless AI agent using LangChain.js and Model Context Protocol (MCP) integration to order burgers from a burger restaurant - Azure-Samples/mcp-agent-langchainjs
aka.ms
October 21, 2025 at 2:52 PM
Reposted by Waldek Mastykarz
Building apps using .NET Aspire? Integrate Dev Proxy and easily verify the resilience of your app!

Check it out: learn.microsoft.com/microsoft-cl...
October 21, 2025 at 9:42 AM