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Programming
GitHub explains its CSS Modules migration: performance is more than download size
GitHub described how it moved github.com from CSS-in-JS to CSS Modules and reached full adoption in June 2026. The case shows why runtime cost, testing and controlled rollout can matter more than a simple CSS file-size comparison.

Programming
Safari Technology Preview 248 puts JavaScript and accessibility changes on the test bench
The July 22 preview offers web teams a way to examine upcoming behavior. Comparing complete user journeys across stable Safari and the preview makes the changes easier to assess.

Apple · Security
DarkSword iPhone exploit kit leaked publicly on GitHub
A newer version of the DarkSword kit was posted publicly and works against iPhones and iPads running iOS 18. Updating is the best defense.

Anthropic · Security
Claude found 22 security flaws in Firefox in two weeks
In a partnership with Mozilla, Claude Opus 4.6 found Firefox vulnerabilities, 14 of them high-severity.