We have identified an issue with Chrome 58. Chrome 58 is the very most recent release of Chrome. To see your Chrome version, enter chrome://help in the address bar of Chrome.
With Chrome 58, Google introduced a bug into the Chrome browser itself with what are called "text ranges". Text ranges are used by the editor to enable things like the Bold, Italic, and Strike thru features of the editor.
This is the bug report on the Chrome developer site for those interested:
If you are on version Chrome 58 because you have automatic updates turned on, you will see that these functions are now broken. If you are still on Chrome 57 or earlier, they will be working.
Chrome has announced that the issue is fixed in their current developer build of Chrome 59, but this will not be released to the public until June 7th. I am looking into a short-term work around.
So if I don't come up with a work around, Bold, Italic and a few other editor elements will not work until on or about June 7th when Chrome 59 comes out.
Meanwhile older versions of Chrome, as well as the other browsers - Safari, Firefox, and IE - these editor feature continue to works.
Sorry for the inconvenience. It is not our fault ;-) I do still think Chrome in general terms is the best browser and the best browser to use Yabberz with.
PS - I have looked some and am not terribly optimistic we can do much about it besides waiting for Chrome to fix itself, but I will keep looking and follow the other programmers on the net who are tracking and complaining about this issue. It is possible Google might get it fixed faster as well.