One known issue with the latest upgrades applies to users who have previously installed the plugin. Once you upgrade to the latest version, click on the global settings and then the layers tab. This will reinitialize the layers settings for the plugin.
This only applies to users that are upgrading and that also have the layers option enabled in the global settings.
It should be noted that while the plugin is in BETA I will not be expending any energy in maintaining backward compatibility with previous versions of the plugin. This would only serve to bloat the code and slow down the development and progress. Once the plugin is out of BETA then maintaining backwards compatibility will become more of an issue.