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TanStack npm supply-chain attack: how a Dependabot bump spread a worm

On May 11, 2026, a worm published 84 malicious versions of 42 TanStack packages to npm, with valid provenance, from TanStack's own release pipeline.

  • Malicious worm infiltrated 84 TanStack npm packages on May 11, 2026
  • Dependabot pull request introduced compromised versions into aviation project
  • Worm used publish token to create 110 malicious versions within 95 minutes

Making seamless video loops with ffmpeg: repeat, ping-pong, crossfade and a generated bridge

Disclosure: I build LoopVideo , a browser-based tool for making video loops. The ffmpeg techniques below work on their own, with or without it. This post was written with the help of AI tools.

  • Normalize video clips for consistent frame rates, sizes, and pixel formats
  • Repeat clip with -streamloop flag for simplest seamless loop
  • Use ping-pong technique to play clip forward and backward for boomerang effect

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