ruby.git/test/prism/fixtures/4.0, branch v4.0.3 The Ruby Programming Language [ruby/prism] Correctly handle `and?` and similar on ruby 4.0 2026-03-06T17:02:23+00:00 Earlopain 14981592+Earlopain@users.noreply.github.com 2026-03-05T19:41:21+00:00 83c261f30bd43dc3465c0026b96e79af585fdfab It gets confused for syntax introduced in https://bugs.ruby-lang.org/issues/20925 But it actually should be a plain method call. `!`/`?` are not valid as part of an identifier, methods however allow them as the last character. Fixes [Bug #21946] https://github.com/ruby/prism/commit/5d80bc5e1a 
It gets confused for syntax introduced in https://bugs.ruby-lang.org/issues/20925
But it actually should be a plain method call.
`!`/`?` are not valid as part of an identifier, methods
however allow them as the last character.

Fixes [Bug #21946]

https://github.com/ruby/prism/commit/5d80bc5e1a
[ruby/prism] Rename Ruby 3.5 to Ruby 4.0 2025-11-08T00:22:17+00:00 Earlopain 14981592+Earlopain@users.noreply.github.com 2025-11-07T12:14:07+00:00 7037d8f89e71a13547d031d76747e45cfe930c9f See https://github.com/ruby/ruby/commit/6d81969b475262aba251e99b518181bdf7c5a523 It leaves the old variant around. RuboCop for examples accesses `Prism::Translation::Parser35` to test against ruby-head. For now I left these simply as an alias https://github.com/ruby/prism/commit/d0a823f045 
See https://github.com/ruby/ruby/commit/6d81969b475262aba251e99b518181bdf7c5a523

It leaves the old variant around. RuboCop for examples accesses `Prism::Translation::Parser35`
to test against ruby-head. For now I left these simply as an alias

https://github.com/ruby/prism/commit/d0a823f045