Plugin authors, there are a few steps that you can take to update your plugins for 1.8 before it is released. Replacing deprecated functions Elgg 1.7 deprecated a lot of functions as it added a better API for getting and listing entities.
Completing these steps will make it just that much easier to be ready for 1.8. If you are still using the older functions like get_entities(), users will get visible error messages.
Do not read or write to the has been removed, as plugins will no longer need to validate access overrides.
The translations for the default Elgg access levels have new translation language keys.
Common deprecated functions to look out for are extend_view() plus the get_entities*() and list_entities*() functions.