Log Message:
Update to version 1.8.3.
FreeBSD, OpenBSD and Haiku link to execinfo.
Changelog for 1.8.3:

    fixed: crash when passing messages to running instance
    fixed: keyboard text navigation in some custom html code editors
    fixed: string for filter third party cookies + changed default to allow
    fixed: coloring CSS exception rules in AdBlock subscription tree
    fixed: auto-loading saved plugins on startup in portable mode
    fixed: text edit shortcuts not working with non-latin keyboard layout
    fixed: building on Linux with Qt 4.7
    fixed: crash when unloading AutoScroll plugin on Windows