Ruby Issue Tracking System

03/03/2026

01:40 PM Ruby Bug #21713 (Closed): Prism accepts pattern matching in modifier rescue followed by operators that shouldn't be allowed

Applied in changeset commit:git|8c7f4db893af4c9e40eab5810dc58737dc9010bb.
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[ruby/prism] Fix modifier rescue pattern matching
[Bug #21713]
https://github.com/ruby/prism/commit/02c944c055 kddnewton (Kevin Newton)

01:40 PM Ruby Revision 8c7f4db8 (git): [ruby/prism] Fix modifier rescue pattern matching

[Bug #21713]
https://github.com/ruby/prism/commit/02c944c055 kddnewton (Kevin Newton)

03/02/2026

08:42 PM Ruby Bug #21714 (Closed): Prism and parse.y inconsistency in `def a = a b do 1 end`

Applied in changeset commit:git|3b6562f663c14d848f8c4f752b5557b8e85d5910.
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[ruby/prism] Fix up endless method definition with do/end
[Bug #21714]
https://github.com/ruby/prism/commit/0f47e18335 kddnewton (Kevin Newton)

08:41 PM Ruby Revision 3b6562f6 (git): [ruby/prism] Fix up endless method definition with do/end

[Bug #21714]
https://github.com/ruby/prism/commit/0f47e18335 kddnewton (Kevin Newton)

07:48 PM Ruby Revision 2b8c1007 (git): [ruby/prism] Prism::ParseResult#continuable?

An API to determine if more input could fix the existing syntax errors.
https://github.com/ruby/prism/commit/6701ffe0f5 kddnewton (Kevin Newton)

05:54 PM Ruby Revision 2106ecec (git): [ruby/prism] Require arguments to Source.for

https://github.com/ruby/prism/commit/b38010c420 kddnewton (Kevin Newton)

05:35 PM Ruby Revision 460566ab (git): [ruby/prism] Reject infix operators on command call on writes

https://github.com/ruby/prism/commit/4e71dbfc7b kddnewton (Kevin Newton)

05:07 PM Ruby Bug #21674 (Closed): Possible regression in return case in statement

Applied in changeset commit:git|c7ed328cd569a258aa949f78f721195e2be15e9e.
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[ruby/prism] Fix in handling
in is a unique keyword because it can be the start of a clause or
an infix keyword. We need to be explicitly sure that ev... kddnewton (Kevin Newton)

05:07 PM Ruby Bug #21925 (Closed): Prism misparses standalone "in" pattern matching in "case/in"

Applied in changeset commit:git|c7ed328cd569a258aa949f78f721195e2be15e9e.
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[ruby/prism] Fix in handling
in is a unique keyword because it can be the start of a clause or
an infix keyword. We need to be explicitly sure that ev... kddnewton (Kevin Newton)

05:07 PM Ruby Revision c7ed328c (git): [ruby/prism] Fix in handling

in is a unique keyword because it can be the start of a clause or
an infix keyword. We need to be explicitly sure that even though in
_could_ close an expression context (the body of another in clause)
that we are not also parsing an inl... kddnewton (Kevin Newton)