KAZÉ Anime (or now Crunchyroll) has announced that they will be releasing the first episodes in Germany on Blu-ray Disc. The title of the announcement states that the release will be in HD. It would be the world's first disc release of these episodes in HD. There is no further information about the release at this time.
So it could be the infamous Special Edition or another 16:9 release. Or it could be like the image in the announcement (image name One Piece BD_1920x1920.png). Then it would be in 4:3, it would be sharp, but the lines would look strange. Let's hope for the best.
Source: https://kaze-online.de/news/artikel/piratenkoenig-in-hd