I suppose that when a crafting machine starts crafting (enough ingredients + has power), is_crafting is true and stays true until the operation is completed. "progress is currently being made" when there is power, and if there is not then the machine is not making progress but is still cr...

LuaEntity::is_crafting is missing a return value, which should be a boolean.

-> Thanks, fixed for the next release.

The scrolling functions (scroll_to_top, scroll_to_bottom ...) do nothing when the element (a scroll-pane or a textbox) isn't shown/updated yet, that is to say when the function is called in the same tick as when its contents/text is set. In this exemple, we create a string with a lot of lines and di...

The value "selected_index" of a listbox never updates when calling methods that modifies the item list, even "clear_items". Steps to reproduce: - Display a list with items /c game.player.gui.center.add{type="list-box", name="list", items={"a", "...

A text-box with a style who set "horizontally_stretchable" to "on", will have a grey box appear on the right, if there is at least more than one line of text. The vertical scroll bar will not appear. Steps to reproduce: - Have a text-box style with a "horizontally_stretchabl...