This was a major technical patch focusing on bug fixes across various chapters. It resolved issues where characters wouldn't combine properly, fixed "out of bounds" glitches, and corrected textures that failed to appear in city sections.
regarding a major content update, there are currently no major expansions announced beyond the standard performance patches and the physical Deluxe Edition , which includes an artbook and soundtrack. The Plucky Squire Switch NSP UPDATE
The keyword "The Plucky Squire Switch NSP UPDATE" suggests that users are anticipating another patch. Here is the roadmap based on developer tweets: This was a major technical patch focusing on