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Allow simple Range header values without preflight

Category

Network / Connectivity

Type

No developer-visible change

Status

Enabled by default (Chrome 99)

Intent stage

Shipped

Summary

Allows requests with simple range headers to go through without preflight. CORS requests will be able to use the Range header in limited ways (only one valid range) without triggering a preflight.

Standards & signals

• Specification: https://fetch.spec.whatwg.org/
• Firefox: No signal
• Safari: No signal
• Web developers: No signals

View on chromestatus.com