"Mint 20 Cinnamon: Nothing happens after install. Tried both the Software Manager version and the one from Minecraft.net. It appears in the system menu but clicking it has no effect. I got MC working eventually by installing it with Snap. "sudo snap install mc-installer""
"In Mint 20 Cinnamon, I cannot set the time of an appointment. It always defaults to 24 hours. Using the mouse to drag the appointment does not work as a workaround because it reverts to 24 hours. This renders the software unusable for me."