From the CHANGELOG.md

v0.15.0

Features

• Added support for Reline (#2298)
• Added support for Ruby 3.3 (#2295)
• Added Pry::Input::SimpleStdio for dumb terminals when Reline is in use (#2304)
• Remove OpenStruct usage (#2307) (#2309)
• Disable coloring of output when NO_COLOR is set. (#2323)
• Add pry --no-multiline flag to keep single line prompt. (#2327)

Bug Fixes

• Fix typos on docs and and comments (#2300) (#2301)
• Fix 'calling clear method' on user code when defined in pry context. (#2291)
• Fix arguments WatchExpression#add_expression (#2278)

Breaking changes

• Remove support for deprecated Pry.config.prompt = [proc {}, proc {}] Use Pry::Prompt API instead (#2308)
• Remove deprecated Pry.config.exception_whitelist. Use Pry.config.unrescued_exceptions instead. (#2326)