Author | Lightnews

Sébastien Levert @sebastienlevert.com · 7h

New developer resource page for Microsoft 365 interoperability and data portability

New developer resource page for Microsoft 365 interoperability and data portability - Microsoft 365 Developer Blog

Microsoft is launching a centralized developer resource page that consolidates interoperability and data portability information, tools, and feedback channels to help partners and customers use Microsoft...

devblogs.microsoft.com

Sébastien Levert @sebastienlevert.com · 4d

SharePoint Framework (SPFx) roadmap update – October 2025

SharePoint Framework (SPFx) roadmap update – October 2025 - Microsoft 365 Developer Blog

SPFx is powering the future of Microsoft 365. From AI-driven portals to seamless integrations across SharePoint, Teams and Viva, SPFx is driving innovation at scale. This blog series kicks off our journey...

devblogs.microsoft.com

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Sébastien Levert @sebastienlevert.com · 5d

Dev Proxy v1.3 with exporting to HAR, LLM usage tracking, and enhanced permissions analysis

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

Sébastien Levert @sebastienlevert.com · 5d

Migrating from IDCRL authentication to modern authentication in SharePoint

Migrating from IDCRL authentication to modern authentication in SharePoint - Microsoft 365 Developer Blog

In the next few months, Microsoft will be removing the legacy authentication protocol known as IDCRL (Identity Client Run Time Library) in SharePoint.

devblogs.microsoft.com

Sébastien Levert @sebastienlevert.com · 6d

Deprecation of the previewImageUrl property for Insights items that reference file attachments

Deprecation of the previewImageUrl property for Insights items that reference file attachments - Microsoft 365 Developer Blog

The previewImageUrl property is no longer returned for file attachment items.

devblogs.microsoft.com

Reposted by Sébastien Levert

Visual Studio Code @vscode.dev · 7d

OpenAI Codex is now integrated directly in VS Code through the new Agent Sessions view - and can be powered by your GitHub Copilot subscription.

Try it out now with VS Code Insiders and a Copilot Pro+ subscription. Happy coding!

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Sébastien Levert @sebastienlevert.com · 13d

Upper Napa 😂

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Sébastien Levert @sebastienlevert.com · 13d

Upper Napa 😂

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Sébastien Levert @sebastienlevert.com · 19d

Exciting new capabilities and enhancements for M365 Developer Program – October 2025 devblogs.microsoft.com/microsoft365...

Exciting new capabilities and enhancements for M365 Developer Program - October 2025 - Microsoft 365 Developer Blog

We are excited to share updates on the Microsoft 365 Developer Program with new capabilities and upcoming changes.

devblogs.microsoft.com

Sébastien Levert @sebastienlevert.com · 20d

That's brilliant! Downloading now!

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Reposted by Sébastien Levert

Vesa Juvonen @vesajuvonen.bsky.social · 20d

💡 Build declarative agents for #Microsoft365 #Copilot with TypeSpec

Let @paolopia.bsky.social show modeling actions; generating OpenAPI; wiring REST plugins; and running the agent in Copilot Chat; using the Microsoft 365 Agents Toolkit.

📺 Watch now → youtu.be/yiq9ZgZTY7E

#CopilotStudio

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Sébastien Levert @sebastienlevert.com · 21d

GitHub Copilot and I'd stick to that because of the multi-model approach. From docs to code, it gets the job done and much more! I thought about Claude Code but never pulled the trigger... I feel GHC + Sonnet 4.5 and Opus gets the job done also!

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Reposted by Sébastien Levert

Den Delimarsky @den.dev · 22d

I used Spec Kit to build a Mauna Kea observatory camera tracker 🌠

In the process, had to write a full guide for Spec Kit, because why not 🤷

Read
↳ den.dev/blog/github-...