Top HN Daily Digest · Fri, Sep 18, 2026

A daily Hacker News digest with story summaries, thread context, and direct links back to the original discussion.


2. I don't like passkeys (hawksley.dev)

832 points · 803 comments · by ethanhawksley

The author argues that while passkeys prevent phishing and data-breach credential theft, their recovery, device-loss, platform-dependence, hardware limits, and cross-device usability problems make them premature for individuals, who may be better served by password managers and independent TOTP apps. [src]

5. OpenJev (openjev.com)

712 points · 288 comments · by ilreb

SemIf is a browser-only experiment that runs local open models on users’ GPUs to compare direct option-probability readouts with token-by-token JSON generation, without sending inputs to a backend. [src]

15. Jemalloc 5.4.0 (github.com)

336 points · 94 comments · by gkfasdfasdf

jemalloc 5.4.0 delivers over 160 commits with refactoring, bug fixes, improved testing and portability, new pinned-memory statistics and arena controls, adaptive tcache policies, and numerous compatibility and stability improvements. [src]