At the end of VentureBeat's report on the new Paper Mario: The Origami King, the outlet mentions that ''other Nintendo studios will have games ready for release soon'. This includes the already rumored 3D Mario remasters as well as ''Pikmin 3 Deluxe''.
Earlier in the year, the rumors surrounding this title started to develop as the official Pikmin 3 site appeared to be gone. Back then, the speculation of an updated version was present, but not further built upon. A Deluxe version would entail new content, which is something that hasn't been rumored before. This could potentially mean new bingo maps, mission content or maybe even something deeper.
For what this is worth, this isn't the first time we heard about Pikmin 3 Deluxe. The new version has been in the works for a while, though a date has never been brought up. The VentureBeat report doesn't dive into this, nor the additional content that it will include.