Z 4 z 5 hwěžkow pohódnoćeny

wot raphael-m dnja Now. 28, 2019 · trajny wotkaz

The idea is great but for me it always hide the mail's body and never show it. I need to pull it up in order to see the mail's body, and when I click on another mail it is hidden again :(
I'm on Ubuntu 18.04 and Thunderbird 68.2.1