I can't confirm the bug with xfce4-panel 4.13.4 (self-built) on cosmic (18.10). I added a screenshot that shows whiskermenu (on the left, dark blue) and the internal applications menu plugin (light blue, on the right) on a 20px tall panel with Adwaita. Both icons are equally un-clipped.
** Attachment added: "xfce4-panel 4.13.4 with whisker and applications-menu" https://bugs.launchpad.net/ubuntu/+source/xfce4-panel/+bug/1756608/+attachment/5253194/+files/Screenshot_2019-04-05_20-52-54.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1756608 Title: Applications Menu plugin clips panel icon. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xfce4-panel/+bug/1756608/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs