Joget DX 8 Stable Released
The stable release for Joget DX 8 is now available, with a focus on UX and Governance.
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If you have tried out the solutions above and still can't get it to work, then you may try to clear the cached images from your Joget home folder (typically located at [USER]/wflow/app_xpdlImages ) Refresh your browser page so that it will attempt to generate new thumbnails again.