Added#175 adds support for Content Security Policy Level 3 Header directives.#200 adds support for additional directives in Content Security Policy header:block-all-mixed-content,require-sri-for,trusted-types,upgrade-insecure-requests.#177 adds support for Feature Policy header.#186 adds support for SameSite directive in Set-Cookie header.Changed#194 changes range of valid HTTP status codes to 100-599 (inclusive).DeprecatedNothing.RemovedNothing.Fixed#200 fixes support for directives without value in Content Security Policy header.