Technical Bulletin
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Published: July 8, 2025
What is happening?
The legacy TestNav Chrome app will become incompatible with Google's Chrome 139 release, which is set to launch on August 18. It will also not function on any future ChromeOS releases.
What does this mean?
Chromebook devices must either run a Chrome version earlier than 139 or utilize the new TestNav Web App for ChromeOS.
What do I do (and how do I do it)?
There are three options for using TestNav on ChromeOS after the release of ChromeOS 139:
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