Ruby Issue Tracking System

07/06/2026

06:12 PM Ruby Bug #22183 (Open): parse.y interpolation inside lambda literal

This is an odd bug that I think is just leaking parse.y internals to do with paren_nest and lambda_beginning_p.
In parse.y, `p->lex.lpar_beg` is not isolated when the lexer enters a string interpolation (`tSTRING_DBEG`). So `lambda_b... kddnewton (Kevin Newton)

07/05/2026

11:24 PM Ruby Revision 6e53ba73 (git): [PRISM] Fix depend

kddnewton (Kevin Newton)

10:51 PM Ruby Revision 4c4ce552 (git): [ruby/prism] Assume for the GCC bounds checks

https://github.com/ruby/prism/commit/d07335cb28 kddnewton (Kevin Newton)

06/29/2026

02:16 PM Ruby Revision 2a234150 (git): [ruby/prism] Pop block stack _before_ ending in parenthesized method call in command call

https://github.com/ruby/prism/commit/c5da02a516 kddnewton (Kevin Newton)

06/23/2026

08:33 PM Ruby Revision 11d005d6 (git): [ruby/prism] Pop block stack before finishing command call arguments within parenthesized call

https://github.com/ruby/prism/commit/26cfb915e8 kddnewton (Kevin Newton)

07:04 PM Ruby Bug #22127 (Closed): parse.y regexp crash on invalid encoding

```
./ruby --parser=parse.y -e '/#{"\xcd"}/'
```
results in a segfault kddnewton (Kevin Newton)

06:51 PM Ruby Revision 2f889f75 (git): [ruby/prism] Fix up regex delimited by \r\n

https://github.com/ruby/prism/commit/7c415b1936 kddnewton (Kevin Newton)

03:53 PM Ruby Revision 793dfa1b (git): [ruby/prism] Fix up newline-delimited array literals

https://github.com/ruby/prism/commit/56172038ce kddnewton (Kevin Newton)

06/22/2026

08:52 PM Ruby Revision 6785670f (git): [ruby/prism] Handle EOF in hash pattern key

https://github.com/ruby/prism/commit/43ffaad503 kddnewton (Kevin Newton)

07:53 PM Ruby Revision 10b27fd0 (git): [ruby/prism] Dynamic constant writes on operator writes

https://github.com/ruby/prism/commit/6b4f0ade80 kddnewton (Kevin Newton)