[GitHub issue by etiennesegonzac on 2012-08-05T17:42:20Z, https://github.com/mozilla-b2g/gaia/issues/3171] It has been said many times before but we should **not** transition on `left` property. The dialer Call log uses a left transition for the edit more. This can easily be done with a `transform`.
[GitHub comment by dzbarsky on 2012-08-06T04:44:13Z] I landed a gecko patch that warns about bad transitions in adb logcat. Just look for for "Performance warning: ...."
no updates to this bug for some time. request QA check that it is still valid.
Priority: -- → P2
Whiteboard: [label:dialer] → [label:dialer], interaction
Please if someone could explain what: "we should **not** transition on `left` property." means, I can test again and say if it´s still happening or not.
This was fixed when implementing the edit mode with building blocks. FYI transitioning on the left property was referring to using a CSS transition  to change the left value of an element.  https://developer.mozilla.org/en-US/docs/CSS/Using_CSS_transitions
Status: NEW → RESOLVED
Last Resolved: 5 years ago
Resolution: --- → FIXED
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