Zoom will enforce a new minimum version every 3 months (the first weekend of February, May, August, and November). For each new enforced minimum version, we will also provide the next version Zoom will be enforcing and the exact date of that enforcement. Additionally, Zoom will make an effort to support a given version of the client for at least 9-months before it is considered for end of life, at which point users will be prompted to update to the minimum version or higher.
For more information and updates - Zoom Software Quarterly Lifecycle Information