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When you clicked on Delete Solution, IWS still performed validation checks against the workflow and raised warnings if there were any issues. This step was unnecessary since you were deleting the workflow. The code was updated to disable the validations if you select Delete Solution.
This issue was tracked as Item #131847.
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If you set focus to the ReasonCheck object created in version 1.0.1.410 or earlier in MC translator, IWS will close unexpectedly. The code was updated to resolve this issue and backwards compatibility is restored for those objects.
This issue was tracked as Item #131921.
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Hide "refresh" button for EagleML extension panels (on the object destination in xslt translator). When you selected EagleML Extensions tab as your Destination, the Refresh icon showed in the lower right corner. However, the refresh is only valid when you select EagleML and if you clicked on it under EagleML extensions, IWS closed unexpectedly. The code was updated to remove the refresh icon under the EagleML Extensions tab to avoid any confusion.
This issue was tracked as Item #132003.