To enable the async clipboard suppor, please go to about:config, set widget.wayland.async-clipboard.enabled to true and restart browser.
Bug 1725149 Comment 5 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
To enable the async clipboard support, please go to about:config, set widget.wayland.async-clipboard.enabled to true and restart browser.