Current reviews do not report widespread double-click failures on the MX Master 4, but reviewers familiar with older models remain cautious about switch longevity.
Pros: software usability, software stability
Cons: double-click reliability, warranty
Best Mice for double-click reliability
One long-term owner reported unwanted double-clicks and missed single clicks, a serious concern for precision work.
Pros: motion consistency, left and right click quality
Cons: switch durability, onboard memory