Compatibility warnings with other plugins/themes and quality improvements. See below. And you can always see full change log of Accelerator for WordPress.
Last changes
Behavior changes
- Updating statistics in the status now is only in manual mode to avoid high server load.
Improvements
- Asynchronous operations.
- Stopping the calculation of statistics.
- Warning about conflict settings with 'EWWW Image Optimizer'.
- Warning about conflict settings with 'Optimole'.
- Warning about conflict settings with 'Smush'.
Fixes
- Redirect while page optimizing.
- Wrong query parsing with numbers as parameters.
Download for free... About product...
More information can be discovered in the original post about New version 1.8 released - Accelerator for WordPress and on the main site.