Ruby Issue Tracking System

03/21/2026

12:48 AM Ruby Revision 4860f350 (git): [ruby/prism] Clean up types on node find

https://github.com/ruby/prism/commit/6f597d3ff7 kddnewton (Kevin Newton)

12:37 AM Ruby Revision e10f2521 (git): [PRISM] Use a flat lookup table for locals instead of an st_table

kddnewton (Kevin Newton)

12:37 AM Ruby Revision e6cf66a8 (git): [PRISM] Remove checked-in generated file

kddnewton (Kevin Newton)

03/20/2026

10:20 PM Ruby Revision 5b4642bb (git): [ruby/prism] Prism.find

Take a method, unbound method, proc, or thread backtrace location.
This is our equivalent to RubyVM::AbstractSyntaxTree.of, and could
be leveraged in something like error highlight.
Note that this uses CRuby-specific APIs on CRuby, and ... kddnewton (Kevin Newton)

10:01 PM Ruby Revision 6446aca0 (git): [ruby/prism] Revert "Switch identifiers to byte[]"

https://github.com/ruby/prism/commit/efe36fbc46 kddnewton (Kevin Newton)

04:43 PM Ruby Revision 203a03e0 (git): [ruby/prism] Fast path for returning from parse_arguments_list

https://github.com/ruby/prism/commit/9df357af89 kddnewton (Kevin Newton)

04:43 PM Ruby Revision a47827c8 (git): [ruby/prism] Provide a single-entry cache on parser for avoiding constant hashes

https://github.com/ruby/prism/commit/56cdcbbb8c kddnewton (Kevin Newton)

04:43 PM Ruby Revision 140dba3b (git): [ruby/prism] Use an arena for building the Prism AST

https://github.com/ruby/prism/commit/bbcb5690ce kddnewton (Kevin Newton)

04:43 PM Ruby Revision e8899040 (git): [ruby/prism] Lazily build offsets from a packed array

https://github.com/ruby/prism/commit/3cffc44510 kddnewton (Kevin Newton)

01:37 PM Ruby Revision 78ab3a7c (git): Leverage new Prism APIs

Prism changed structure quite a bit. Most of the previously-public
structs are now opaque. This requires quite a bit of changes
internally.
It also triggered some unrelated changes, which were necessary
because Prism's main header used ... kddnewton (Kevin Newton)