- FLOW3: (Cache) The dash sign "-" is now allowed as part of a cache entry identifier and a tag. Resolves #2982
- FLOW3: (Cache) Refactored the File Backend so that the expiration time is stored in the cache file instead being a part of the cache file name. This is necessary to allow more special characters in the entry identifier.
- FLOW3: (Cache) File Backend: The @-sign is now used as a separator in tag file names
- FLOW3: (Cache) Implemented a new cache backend "Transient Memory" which stores all entries in memory for the duration of the current script run.