Compatibility warnings with other plugins/themes and quality improvements. See below. And you can always see full change log of Accelerator for WordPress.
- Updating statistics in the status now is only in manual mode to avoid high server load.
- 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'.
- Redirect while page optimizing.
- Wrong query parsing with numbers as parameters.