The big headlines on this release are efficiency, with OpenAI reporting that GPT-5.4 uses far fewer tokens (47% fewer on some tasks) than its predecessors).

Excel automations cover auto-updating charts, deadline flags, and smart links; Ctrl+T table charts expand as new rows appear.

WebMCP exposes structured website actions for AI agents. See how it works, why it matters, and how to test it in Chrome 146.

Thanks to Docker, you can build a solid productivity suite on your Raspberry Pi ...

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