Environment: Device: LG G4 (Android 5.1); Build: Beta 47.0b4; Steps to reproduce: 1. Open Firefox; 2. Tap on the device home button; 3. Repeat this step 14 times (Firefox feedback page is displayed); 2. Go to Tools-> New Guest Session; 3. Repeat steps 2 and 1 for 14 times. Expected result: Firefox feedback page is displayed. Actual result: Firefox feedback page is not displayed. Notes: -Firefox feedback page is displayed on latest Nightly and 46.0.1. On Aurora I couldn't see because of Bug 1239513.
Feedback page is displayed on Firefox for Android 47 Beta 6, in Guest Mode.
I will close this bug as fixed, since is not reproducible.