Device: - HTC 10 (Android 7.0); - Huawei Honor 5X (Android 5.1.1); - Oneplus Two (Android 6.0.1); Build: - Nightly 57.0a1 (2017-08-23); Steps to reproduce: 1. Open Fennec; 2. Scroll the top panel until Sync is visible; 3. Tap on Sync. Expected result: Focus slides smoothly from the Welcome panel to the Sync panel. Actual result: Focus jumps to welcome and then slides to the sync tab. Video: https://goo.gl/Va2e3g

We have completed our launch of our new Firefox on Android. The development of the new versions use GitHub for issue tracking. If the bug report still reproduces in a current version of [Firefox on Android nightly](https://play.google.com/store/apps/details?id=org.mozilla.fenix) an issue can be reported at the [Fenix GitHub project](https://github.com/mozilla-mobile/fenix/). If you want to discuss your report please use [Mozilla's chat](https://wiki.mozilla.org/Matrix#Connect_to_Matrix) server https://chat.mozilla.org and join the [#fenix](https://chat.mozilla.org/#/room/#fenix:mozilla.org) channel.