Deprecate the never-cache-responses-with-query options and HTTP/1.0 response caching - #870
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…esponse caching Assigning heuristic freshness to a response with a query component is no longer prohibited by the HTTP caching specification, so the CacheConfig options that suppress caching of such responses no longer serve a purpose. isNeverCacheHTTP10ResponsesWithQuery, isNeverCacheHTTP11ResponsesWithQuery and their builder setters are deprecated, as is HTTP/1.0 response caching itself. The options are still honoured for now; an origin that does not want a response cached should send an explicit directive such as Cache-Control: no-cache.
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August 14, 2026 06:11
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Per the discussion on the query-string heuristic-caching report: assigning heuristic freshness to a response with a query component is no longer prohibited by the HTTP caching specification, so the
CacheConfigoptions that suppress caching of such responses no longer serve a purpose.This deprecates isNeverCacheHTTP10ResponsesWithQuery, isNeverCacheHTTP11ResponsesWithQuery and their builder setters, and deprecates HTTP/1.0 response caching as a whole (noted in the
CacheConfigJavadoc and at the version check inResponseCachingPolicy). Behaviour is unchanged — the options are still honoured — and an origin that does not want a response cached should send an explicit directive such as Cache-Control: no-cache.