91
edits
Changes
fix typo
== Removed in Thunderbird 61 ==
* XUL elements' <tt>.insertItemAt()</tt> and <tt>.removeItemAt()</tt> methods <br/>Replacement: Use <tt>.insertBefore()</tt> and <tt>.remove()</tt>.
* You can also use <tt>.setUnsafeInnerHTML()</tt> or <tt>document.allowUnsafeHTML = true</tt>, as a workaround to the above, see see [[Thunderbird/Add-ons_Guide_57#Removed_and_changed_in_mozilla60|here]].
== Removed in Thunderbird 63 ==
