Added:
- Show HN: Startup sci-fi novel that took me 5 years to write (blockchainednovel.com) – a novel about a startup, written over five years.
- Show HN: Formally verified polygon intersection – Opus 4.8 oneshots, prev failed (github.com/schildep) – a formally verified polygon intersection implementation, culminating a previous failed attempt.
- Show HN: Kyushu – A self-hostable WASM sandbox for JavaScript workers (kyushu.dev) – a self-hostable WebAssembly sandbox designed for JavaScript workers.

Changed:
- Gravity: points rose from 163 to 171, comments from 36 to 39.
- GentleOS: points increased from 106 to 108.
- Nucleus: points increased from 25 to 27, comments from 4 to 6.
- Performative-UI: points increased from 1137 to 1138.
- Learn from 30 historical figures: points increased from 39 to 40, comments from 19 to 20.
- Gitdot: points increased from 314 to 315.
- Mach: points increased from 29 to 30.

Removed:
- Show HN: AutoGPU – AI designs a real 7nm GPU, from Verilog to GDSII (github.com/npip99)
- Show HN: Claw Patrol, a security firewall for agents (github.com/denoland)
- Show HN: AI-native red-team for penetration testing and vulnerability research (github.com/yv1ing)