Google has deployed a fix which will resolve the incident, however there is a 24 hour cache on Android devices that may cause some customers not to see the fix right away. Please advise your customers to clear their app cache as that will force a refresh and allow them to access the Android App once more.
Technical teams continue investigating and are working on potential work around. Google has also responded in the issue tracker. Google will be making a change in the next few hours to help mitigate the issue.
We will provide another update by 6pm PT / 9pm ET or sooner.
Posted Jun 21, 2025 - 14:54 PDT
Update
Please be advised that Google made a change to the format of their app transparency file. This is affecting Android apps that use cert transparency and a specific library to read and load the file. There is currently an ticket open with Google here: https://issuetracker.google.com/issues/426786108
Customers who have not closed their apps will still be able to login, however fully closing and opening the app will cause a re-check of the cert file and cause the error to display.
Customers can use the desktop site in a mobile browser as a workaround.
Technical teams are investigating other potential work arounds. We will provide another update by 3pm PT / 6pm ET or sooner.
Android Mobile App user are currently seeing a Certificate Validation Error and cannot access the app. iOS Apps and Desktop are not affected. Technical teams are engaged to restore service as quickly as possible. We will provide an update by 12pm PT / 3pm ET or before.