Core Changes

• Fix data encoder and decoder to use stream in renderer: #35936
• Revert "fix the dynamic routing of middleware": #35932
• Update: Add error message when for getServerSideProps invalid return value: #35887
• Code refactoring: #35937

Documentation Changes

• Update Manual Steps in Getting Started guide: #35898
• fix: toBeInTheDocument is not a function: #35930
• Refactor default locale prefix to support clone(): #35874

Credits

Huge thanks to @amandeepmittal, @bestony, @shuding, @nkzawa, @kamerat, and @samueldusek for helping!