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TypeSafe launched Jev on September 15, 2026. And developers answered by shipping nearly 500 open-source projects around it within days. pg-jev and duckdb-jev showed up on GitHub almost immediately, LangChain published its own integration package. And by September 21 an official Browser Use pairing arrived with a documented 7.1-second

AI supply chain attacks on JavaScript packages stopped being theoretical on February 28, 2026. That day, a commit co-authored by Anthropic's Claude Opus added the malicious package @solana-launchpad/sdk to an open-source autonomous crypto trading project, planting a credential-stealing payload through a transitive dependency, per the Cloud Security

17,727 repositories went through a GPT-5 classifier hunting uncensored models. And that sweep is the clearest evidence yet on what open-weight AI security models can and cannot detect. The verdict: misuse detection works while the misuse sits in a public registry. And it stops the moment a copy leaves

GPT-5.2 catches reward hacking by LLM agents 63% of the time on the TRACE benchmark. But only in its highest reasoning mode and only when it reviews trajectories in contrastive pairs; judging a single run in isolation, the same setup manages 45%. Both numbers come from one January 27,

Just-in-time memory gave LLM agents a 16.2-point lift on ALFWorld. And the system behind it, JitMem, earned that number by waiting. Just-in-time memory means an agent stores raw trajectories and defers all memory curation until read time, when the current task is actually known, instead of compressing every finished

Code2Bench-2505 spun 880 recent Python projects into 1,163 benchmark tasks, and repository-level dynamic benchmarking stopped being a slide-deck phrase. The tasks came out of an automated pipeline, the test suites were synthesized with property-based testing. And the passing bar was execution rather than anyone's opinion of correct

Context compaction for long-horizon coding agents is the lever that decides what a long run costs you. And it is the one part of the stack where almost nobody publishes a figure you can check. I went looking for published cost numbers. Two receipts survived the search. That count is