September 2020 VCL changes
Today the minimum version of VCL available across our network increased, unlocking the following changes:
We have re-categorized a lot of VCL variables in this release to reduce the number classified as miscellaneous. The reference pages for these variables have moved to new URLs. The old ones will redirect.
beresp.cacheablenow includes a reference for which HTTP status codes are considered cacheable by default
req.backendnow describes how it gets serialized