This files describes API changes in /cache/stores/* - cache store plugins.
Information provided here is intended especially for developers.

=== 2.5.3 ===
* All cache instances are recorded and subsequent requests are given a reference to the original instance.
* The persistent option for the cache definition has been deprecated. Please use the staticacceleration option instead.
* There is a new static acceleration option. If enabled data passing through the cache is held onto.
* The persistentmaxsize option has been renamed to staticaccelerationsize. It does the same thing.
* cache_definition::should_be_persistent has been deprecated. Please call cache_definition::use_static_acceleration instead.
* cache_definition::get_persistent_max_size has been deprecated. Please call cache_definition::get_static_acceleration_size instead.

=== 2.5 ===
* cleanup method renamed to instance_deleted.
  It is now called when the store is deleted as all comments suggested anyway.
* instance_created method added.
  It is called when the store is created for the very first time.