[xAI Releases Grok 4.20 Beta 2 Update, Improving Instruction Adherence and Hallucination Suppression] According to 1M AI News, on March 3, xAI's official account @grok released the update notes for Grok 4.20 Beta 2, listing five improvements: enhanced instruction adherence, reduced capability hallucination, improved quality of scientific texts (LaTeX formatting), increased accuracy of image search triggers, and enhanced reliability of multi-image rendering. Grok 4.20 entered public testing in late February. Elon Musk previously stated that this version adopts a 'rapid learning' architecture, with weekly updates and accompanying release notes, and encouraged users to submit feedback.