BUG: Toolbar options
Cannot customize Common Toolbar. Adding checkmarks and hitting Done button has no effect.
Win10, ver 2004
DW Ver 21.0, build 15392.
Thanks for writing to us. We are unable to recreate the issue internally on Win 10 with Dw 21.0. Hence can you please confirm if you are on Code/Design/Live view where you are not seeing the customized items in Common toolbar. With respect to the Common toolbar, if you enable the checkmark for the items, some items will show up when you switch to Code view as per applicability of the item in Code/Design/Live view.
Please see if the above clarifies the functionality else we can investigate the issue further.
Have a pleasant day !