Threat actors have struck the software supply chain yet again, this time hitting the Python Package Index (PyPI) with Mini Shai-Hulud in an attempt to spread poisoned code. In the latest campaign, ...
A new supply-chain attack has infected 36 packages on the Node Package Manager (npm) index with infostealer malware called IronWorm. The malware targets 86 environment variables (key-value pairs) and ...
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Women’s participation in science has risen sharply, but a Nature Index analysis finds that gender gaps in first and last authorship — markers of key scientific achievements — have barely shifted over ...
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SDPG is the main contribution. It extends GRPO with an exact per-token forward KL between the actor (without privileged context) and itself conditioned on privileged context c: ...