La finestra del compositore di template oscura la barra laterale

[Aizada_M]

When the editor window with the template is active, the left sidebar is partially hidden. Is this intended?

[Canapin (Coin-coin le Canapin)]

Which theme do you use?

I don’t experience this on my test instance:

[davidkingham]

This was happening to me as well, but after updating to latest today it is working properly.

[Aizada_M]

Hello! This bug works for all my themes, for example Material Design Theme, Air Theme. I tried updating the site to the latest version as @davidkingham said, I also tried disabling all plugins and theme components, but nothing helped