Features

• Ruby 4.0 Support.
  Pry will now require and default to Reline for newer Rubies.
  (#2357)
  (#2349)
• Revert 'Unify show-doc with show-source'.
  (#2346)

Breaking Changes

• Remove experimental Pry.auto_resize!
  Returns a warning. The code will be removed later.
  (#2359)
• Drop support for Ruby < 2.6
  (#2349)

New Contributors

• @ydah made their first contribution in #2343

Full Changelog: v0.15.2...v0.16.0

This release fixes one additional scenario that could happen if Prism was not available.

Bug Fixes

Avoid breaking reading input if Prism version is undetectable
(#2340)

Bug Fixes

• Restore Pry.config.ls compatibility
  (#2335)
• Avoid breaking reading inputs if Prism is not available
  (#2338)

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)

Features

• Configure code as a supported editor on Pry::Editor
  (#2236)
• Added support for Ruby 3.2
  (#2263)
• Added support for Ruby 3.1
  (#2228)

Bug fixes

• Short circuit eval regexes in finding module definition
  (#2253)
• Revert "Escape non-printing characters"
  (#2235)
• Fixed bug where WeirdMethodLocator would fail to find the source of a method breaking whereami
  (#2244)
• Fixed bug where pry would throw an FrozenError when dealing with incomplete tokens
  (#2136)
• Restore --no-history CLI flag functionality
  (#2196)
• Fixed bug where reading from the _out_ sticky local variable could return
  wrong results (#2201)

Breaking Changes

• Remove support for Ruby 1.9 and JRuby < 9.0
  (#2239)