Following the announcement last week, Nintendo has tweeted several showcase video for the remastered version of Super Mario Sunshine which will be included in Super Mario 3D All-Stars, releasing next Friday.
In the videos we can see that the UI has been redone in a favor of high-definition support; moreover, the game now renders at 1080p.
Super Mario 3D All-Stars is coming to Nintendo Switch on September 18th, 2020.
The compilation will include Super Mario 64, Super Mario Sunshine and Super Mario Galaxy for $59.99; furthermore, this collection will be only available until the end of March 2021. Please see more detail at this link.