There isn't any public information or official documentation available for a product or software version specifically titled " ProjectR v0400 TeamApple Pie extra quality."
: This is likely a sub-group or a collaborative partner. "Apple Pie" was a known name in the cracking scene, often associated with specific utilities or keygens (key generators). Extra Quality
Agile Project Management: "Apple Pie" is frequently used as a metaphor in Agile training to explain software iterations, technical debt, and product ownership.
ProjectR Ver0.4.0.1 - [チーム]アップルパイ - FANBOX
Furthermore, the stability of this release is noteworthy. In an era where "Day One patches" are the norm, v0400 stands out for its rock-solid build. Crashes are rare, and edge-case bugs that plagued the v03xx lineage seem to have been systematically hunted down and resolved.
