I got this one today, when "converting" from dev02 to dev03:

Overload resolution ambiguity. All these functions match.
public fun Size(width: Dp, height: Dp): LayoutModifier defined in androidx.ui.layout
public inline fun Size(width: Dp, height: Dp): Size defined in androidx.ui.core

is this actually the same function ?

dev03 is a snapshot midway through a lot of changes, the layout modifiers are already going through some additional namespace changes that resolve some things like this

okei