apr 27, 2026
6 links from the engineering internet.
github removes gpt-5.3-codex from copilot student model picker
github copilot student edition no longer shows gpt-5.3-codex as a selectable model. effectively retiring the older codex model as gpt-5.5 rolls out across copilot tiers.
github copilot cloud agent starts 20% faster with custom container images
github ships a perf improvement for copilot cloud agent: launches are 20% faster when using actions custom container images. real wins for teams running automated agent workflows in ci.
vercel hobby plan drops to 30-day deployment retention
hobby plan deployments are now capped at 30 days, with exclusions for the 10 most recent production and aliased deployments. likely a cost-control move as platform usage scales.
simon willison: tracking the now-deceased openai-microsoft agi clause
long-form retrospective on the agi clause that used to give openai an out from its microsoft contracts when it claimed to have built agi. simon traces what the clause said, when it changed, and what its removal means.
zig 0.16 explores structured concurrency
zig 0.16.0 introduces an expanded io interface based on structured concurrency principles. lwn walks through the design and what it means for zig's place vs rust and odin.
pgbackrest is no longer maintained
after thirteen years, the pgbackrest maintainer announced he is stopping work on the project, citing sponsorship challenges. one of postgres's most-used backup tools is now in limbo.