Using this page to "crowd-source" some text for http://www.tcl.tk/software/tcltk/8.6.html . **Built-in PNG Image Support** Photo images now support read/write in the '''PNG''' format, with the ability to set the alpha channel. **Busy Windows** New command '''tk busy''' is a variant of '''blt::busy''' that lets the interactivity of windows be suspended and restored as required by the needs of the program. **New Font Selection Dialog Interface** New command '''tk fontchooser''' provides a portable interface to the standard font selector of the platform, whether that is modal or not. **Angled Text** New option '''-angle''' ''$degrees'' to ''$canvas'' '''create text''' for rotating displayed text. **Moving Things on a Canvas** New commands ''$canvas'' '''moveto''', ''$canvas'' '''imove''' and ''$canvas'' '''rchars''' for moving and manipulating canvas items. **Other New Features** Text widget cursor control, more window manager hints, and a collection of modernizations in appearance and function. See [Changes in Tcl/Tk 8.6] or [http://tip.tcl.tk/311%|%TIP #311] for the complete list.