A few days ago, Apple released a new update for macOS Catalina (if it isn't the latest, it more than likely is), a small update that solved problems with accessories with USB 2.0 connection connected to both the 2020 MacBook Air and the MacBook Pro sold this year.
In the details of the update, Apple states that it resolved issues with some mice and trackpads they lost connection. According to MacRumors, many of the users who suffered from these problems claim that they have already been solved, so if you were among those affected, you just have to update Catalina to this latest version available.
This problem was introduced at the beginning of the year and affected the MacBook Air and MacBook Pro purchased in 2020, a problem that affected the operation of USB 2.0 devices directly connected, through adapters or hubs.
These performance problems they included loss of connection, device to stop working completely, crash… The affected users could not find any type of solution by restarting the SMC, accessing in safe mode, using the Disk Utility application…
The only suitable solution to be able to continue using the device was connecting it to Thuderbolt port 3 instead of the device's built-in USB-C connection, limiting the functions of the equipment.
Although the performance problems, according to Apple only affected mice and trackpads, this problem It was presented in any accessory that we connected that compatible with USB 2.0 not with USB 3.0 or 3.1. According to some users, this fix is only available in macOS Catalina 10.15.6 and not in the latest macOS Big Sur beta, so it is a matter of time before Apple implements it in the next betas of the new version of macOS that will arrive. to the market in autumn.