Microsoft under fire for threatening security researcher with criminal investigation

Plus more of TechCrunch's top stories this afternoon

View this email online in your browser  May 29, 2026 TechCrunch Top 3 Microsoft under fire for threatening security researcher with criminal investigation: A public spat between Microsoft and an independent security researcher reopens a long-running debate over who is responsible for securing software. Read More After Nvidia's $20B not-aqui-hire, AI chip startup Groq reportedly raising $650M: Chipmaker Groq is looking to raise $650 million in internal funding as it pivots from hardware to focus more on AI inference, the process of refining the way AI models respond to prompted requests, per Axios.  Read More So you've heard these AI terms and nodded along; let's fix that: The rise of AI has brought an avalanche of new terms and slang. Here is a glossary with definitions of some of the most important words and phrases you might encounter. Read More A message from NVIDIA and Microsoft New during Microsoft Build: The NVIDIA Builder’s Arcade Enter the NVIDIA Builder’s Arcade now to preview interactive challenges and NVIDIA happenings during Microsoft Build. Challenges go live June 1 and run through June 5 with daily activities focused on agentic AI. Learn more Afternoon Must-Reads Blue Origin's New Glenn rocket explodes during testing in Florida: The explosion is likely a major setback for Jeff Bezos' spaceflight company, and its attempt to compete with SpaceX. Read More This chip startup just raised $135M on a bet that AI's biggest bottleneck isn't compute -- it's memory: South Korean chip startup XCENA is betting that AI's real bottleneck is not compute, but memory. Read More Slate Auto will announce pricing and take preorders for its EV on June 24: The Bezos-backed EV startup has yet to announce final pricing for its vehicle, which is supposed to start shipping by the end of this year. Read More Today is the last day to apply to speak at TechCrunch Disrupt 2026: Submit your session topic before today ends for a chance to speak at TechCrunch Disrupt 2026. Apply now to share your insight and help shape the conversations defining the tech industry. Read More Final 24 hours to save up to $410 on your TechCrunch Disrupt 2026 ticket: You now have until tonight at 11:59 p.m. PT to lock in Early Bird savings of up to $410 for TechCrunch Disrupt 2026 before prices increase. Join 10,000+ tech leaders in October for one of the most anticipated tech events of the year. Register now. Read More A message from Fidelity Your Pitch Isn’t the Only Thing Investors Are Evaluating.   Investors don’t just listen to what you say - they look at how your company operates. Is ownership clear? Do your numbers match your story? Can you answer follow-up questions without digging through spreadsheets? The Fundraise-Ready Startup Kit equips founders with the materials investors expect to see, before pressure is on. Because confidence in the room doesn’t come from slides. It comes from preparation.  Learn More Last but Not Least Glean's top line crosses $300M as AI budget cutting becomes its major selling point: The enterprise AI search startup tripled its annual revenue even as tech giants entered the category. Read More Check out some of our other newsletters: StrictlyVC TechCrunch Events TechCrunch Mobility Want to adjust your daily newsletter schedule? You can do it right here Got a tip? Get in touch securely. Want to advertise on TechCrunch? advertise@techcrunch.com Has this been forwarded to you? Click here to subscribe to this newsletter. Unsubscribe Member Center Privacy Policy Copyright © 2026 TechCrunch Media LLC 501 2nd Street, Suite 650, San Francisco, CA 94107

This chip startup just raised $135M on a bet that AI's biggest bottleneck isn't compute -- it's memory

Plus more of TechCrunch's top stories to start your morning

View this email online in your browser  May 29, 2026 TechCrunch Top 3 This chip startup just raised $135M on a bet that AI's biggest bottleneck isn't compute -- it's memory: South Korean chip startup XCENA is betting that AI's real bottleneck is not compute, but memory. Read More Blue Origin's New Glenn rocket explodes during testing in Florida: The explosion is likely a major setback for Jeff Bezos' spaceflight company, and its attempt to compete with SpaceX. Read More Today is the last day to apply to speak at TechCrunch Disrupt 2026: Submit your session topic before today ends for a chance to speak at TechCrunch Disrupt 2026. Apply now to share your insight and help shape the conversations defining the tech industry. Read More Disrupt 2026: Where deals and ideas ignite Oct 13–15 at San Francisco's Moscone West, 10,000 founders, investors, and operators gather for high-signal insights, curated connections, and real momentum. Register Now! A message from Oracle NetSuite The CFO's Playbook to Strategic Leadership CFOs are uniquely positioned to take the reins of strategic leadership. At the heart of this leadership is the ability to make informed and impactful choices. Packed with actionable frameworks, AI-driven approaches, and insights used by industry leaders, this report will help you lead confidently and deliver long-term results. Download it today to begin elevating your impact. Get Your Playbook Morning Must-Reads Slate Auto will announce pricing and take preorders for its EV on June 24: The Bezos-backed EV startup has yet to announce final pricing for its vehicle, which is supposed to start shipping by the end of this year. Read More Final 24 hours to save up to $410 on your TechCrunch Disrupt 2026 ticket: You now have until tonight at 11:59 p.m. PT to lock in Early Bird savings of up to $410 for TechCrunch Disrupt 2026 before prices increase. Join 10,000+ tech leaders in October for one of the most anticipated tech events of the year. Register now. Read More Glean's top line crosses $300M as AI budget cutting becomes its major selling point: The enterprise AI search startup tripled its annual revenue even as tech giants entered the category. Read More Anthropic raises $65 billion, nears $1T valuation ahead of IPO: Anthropic has closed a $65 billion Series H round at a $965 billion post-money valuation, marking what could be the AI startup's final private fundraise before a highly anticipated IPO. Read More Bluesky embraces long-form content to counter X Articles: In its latest update, Bluesky is getting into long-form content. Read More A message from NVIDIA and Microsoft New during Microsoft Build: The NVIDIA Builder’s Arcade Enter the NVIDIA Builder’s Arcade now to preview interactive challenges and NVIDIA happenings during Microsoft Build. Challenges go live June 1 and run through June 5 with daily activities focused on agentic AI. Learn more Last but Not Least The internet is being rebuilt for machines: As AI agents move from experiments to production, AWS, Cloudflare, and others are redesigning cloud infrastructure for a future dominated by machine-generated internet traffic instead of human users. Read More Check out some of our other newsletters: StrictlyVC TechCrunch Events TechCrunch Mobility Want to adjust your daily newsletter schedule? You can do it right here Got a tip? Get in touch securely. Want to advertise on TechCrunch? advertise@techcrunch.com Has this been forwarded to you? Click here to subscribe to this newsletter. Unsubscribe Member Center Privacy Policy Copyright © 2026 TechCrunch Media LLC 501 2nd Street, Suite 650, San Francisco, CA 94107