AsyncHTTPClient 1.13.2

Security Fixes

• Defends against HTTP request header injection attacks (CVE-2023-0040) (GHSA-v3r5-pjpm-mwgq)

SemVer Patch

• Add Host header to proxy CONNECT request (#650) (#651, patch credit to @MihaelIsaev)

Other Changes

• Add .spi.yml for Swift Package Index DocC support (#648)