Z 4 z 5 gwězdkow pógódnośony

wót Wužywaŕ Firefox 5bb495 dnja Maj 28, 2018 · trajny wótkaz

Some site are conflicting with this addon: for example typing numbers in text field at https://confluence.atlassian.com triggers hotkeys.
And more such incompatible sites are coming (even addons.mozilla.org), probably they started using some intrusive JS framework.