- bar: floating panel is focused on mousedown instead of on mouseover (BC break in behavior) #269
- bar: panel zIndex is stored in session
- bar: added Tracy.panelZIndex
- bar: fixed z-index issue when some panels are already in FLOAT mode when the page is loaded. #269
- bar.css: supports
<small> - examples: improved fatal-error.php to be fatal in PHP 7
For the details you can have a look at the diff.