There is currently no way to select which kind of colonists you want to embark onto a transport ship. Failing to click "defend" or "attack" simply causes you to automatically lose the battle; players should not be able to move fleets that are engaged in combat and if a player fails to click "defend ...

when renaming, you can't move the cursor from the end of the text field,

Yeah, it's a known issue. Not a high priority one, but, it's on the list.

Most buttons (including on the technology selection screen) require you to click on the actual text instead of just anywhere in the button area ...

Two UI issues immediately stand out: when renaming, you can't move the cursor from the end of the text field, and most buttons (including on the technology selection screen) require you to click on the actual text instead of just anywhere in the button area. Also, would be good if a tooltip popped ...

I think porting it to MacOS/Linux is a lot closer than porting it to tablet OSes, but let's wait for the game to actually be done first.

When I heard that the artist of "Outsider" was teaming up with a developer to make a new MOO-alike, I was instantly on board.