This issue covers Apple’s return to design-led product development under incoming CEO John Ternus, WhatsApp’s new message animations on iOS, and AI world-model startup Odyssey’s $1.45 billion valuation. It also dives into the shift from T-shaped UX roles to cross-discipline “polymath architects,” non-developer AI system builders, the rise of SKILL.md for guiding AI coding agents, and the often-overlooked UX details that build trust in payment flows.

This issue of TLDR Dev brings you an AI context webinar, tutorials on storing HTML in favicons and adding JSON-LD to personal sites, plus deep dives on agentic AI, new developer tools (Recall, Loupe), and simplified AI agent deployments with temporary Cloudflare accounts. It also covers software buy-vs-build economics, ClickHouse’s decade of growth, common CORS pitfalls, startup funding news, and tips for getting work approved without explicit yes.