Switching between dashboards on Fire table running Fully Kiosk browser just got slow

I am using a Fire Tablet 10", 9th generation (2019). I have the Fully Kiosk browser installed.

Was working great until today when Amazon updated the OS version on my browser to 7.3.22.

Now when I click to go to a dashboard, it can take up to 5-7 seconds to respond. Turning on and off devices do not respond slowly, only switching between dashboards.

It seems to be more pronounced in the Kiosk browser. When I use Amazon’s Silk browser, it is more responsive (not certain if Kiosk browser is using more resources/memory than the silk browser). Also not seeing the issue when testing my dashboards on my Mac, or my iPad.

Any thoughts?