We have the fix available in the latest release. Please update Illustrator using Adobe Creative Cloud application to the latest build for version Illustrator CC 22.1.
Please refer to our knowledge base FAQ – https://illustrator.uservoice.com/knowledgebase/articles/1844590 if you face difficulty in update.
Or get in touch with us at any of the other support channels – https://helpx.adobe.com/support.html
Ashutosh Chaturvedi | Sr. Quality Engineering Manager – Illustrator
Adobe. Make It an Experience.JP commented
Hey! I'm having the same issue. The problem started occurring after installing and using a new Wacom Cintiq 22 HD. Ghosting trails with the Blob brush in illustrator CC 22.0.1.
Hope this helps, looking forward to getting the issue fix. It's quite frustrating.