For security, performance and to take advantage of Zoom's regular product enhancements it's good practice to regular update your Zoom desktop and mobile applications. This article includes instructions on how to update Zoom on multiple devices.
You can find additional information about the latest version of Zoom and what changes were made by visiting Zoom's website. While updates are fairly consistant across all platforms, if there is a release that fixes a particular issue on Mac or Windows, you can check this by referencing individual notes: