Mistral AI releases open weights for its trillion-parameter Large 4 model

<p>Hello everyone, it's Friday, October 30th, 2026, and here are nine tech stories you need to know about today.</p><p><b>Mistral AI releases open weights for its trillion-parameter Large 4 model</b><br>Sources: <a href="techcrunch.com/2026/10/29/mistral-releases-wei… unveils Gemini 4 Carbon just two weeks after predecessor Argon</b><br>Sources: <a href="t3n.de/news/gemini-4-carbon-google-1770698/?ut… Patrick Stewart, star of Star Trek and X-Men, has died at 86</b><br>Sources: <a href="entertainment.slashdot.org/story/26/10/29/2059… revives its immutable Ubuntu Core Desktop project with version 27.04</b><br>Sources: <a href="theregister.com/os-platforms/2026/10/29/ubuntu… Register</a></p><p><b>DoorDash agrees to acquire rival Instacart for seventeen billion dollars</b><br>Sources: <a href="slashdot.org/story/26/10/29/1644224/doordash-s… announces plan to shift toward a fully logged-in-only experience</b><br>Sources: <a href="arstechnica.com/gadgets/2026/10/reddit-will-re… Technica</a></p><p><b>Microsoft fixes a Remote Desktop bug introduced by recent Windows updates</b><br>Sources: <a href="arstechnica.com/gadgets/2026/10/windows-11-get… Technica</a></p><p><b>US authorities investigated a Chinese spy plot targeting Nvidia's CEO</b><br>Sources: <a href="slashdot.org/story/26/10/29/189230/nvidia-chie… of America tells customers never to share their password with an AI assistant</b><br>Sources: <a href="securite.developpez.com/actu/388562/Bank-of-Am…;