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We just shipped support for the ugliest part of HTTP: Vary.

Simon Willison's WeblogAnalysis or commentary·
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Cloudflare shipped support for the HTTP Vary header, which Simon Willison says he has wanted from the company for years.

Written by AI from Simon Willison's Weblog's published text.

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“My comment on We just shipped support for the ugliest part of HTTP: Vary — Hacker News. I've been wanting this from Cloudflare for years .”
Simon Willison's Weblog, 23 Sept 2026, 23:14.

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