Added Feature: Deduplicates purge URLs per request.
Initial public alpha release of Stale 404 Purge.
This module helps prevent reverse proxies from continuing to serve stale cached 404 Not Found responses after a URL becomes valid.
What this module does
Stale 404 Purge issues targeted upstream invalidations for paths that may previously have been cached as 404 Not Found, but now resolve successfully.
The initial release supports the following triggers: