ruby/rbs

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The type signature language for Ruby

Stars: 2.2k
Forks: 256
Open beginner issues: 0
Indexed issues: 139
Avg merge: 6d 17h
Merged PRs (30d): 37

Dominant language: Ruby
License: No license data
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue

Beginner friendly Everything

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139 issues indexed so far

Malformed class instance variable member raises RuntimeError instead of RBS::ParsingError Open

Difficulty 1/5 Under an hour Newbie friendliness 35/100

ruby/rbs#3148 · Opened Sep 10, 2026
[Security Issue] rbs_string_strip_whitespace reads past empty ranges Open

Difficulty 2/5 1-3 hours Newbie friendliness 85/100

ruby/rbs#3108 · Opened Aug 29, 2026
Question about the intended semantics for inline `#:` type assertions on local variables Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

ruby/rbs#3030 · 4 comments · Opened Jul 22, 2026
undefined method 'Pathname' for class RBS::EnvironmentLoader (NoMethodError) when running tests for version 3.10.4 Open

Difficulty 1/5 Under an hour Newbie friendliness 78/100

ruby/rbs#3027 · Opened Jul 18, 2026
WASM performance improvements Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

ruby/rbs#3017 · Opened Jun 26, 2026
Parse empty type params Open

Difficulty 3/5 1-2 days Newbie friendliness 56/100

ruby/rbs#2993 · Opened Jun 15, 2026
[Feature] `#unwrap_optional` helper Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

ruby/rbs#2970 · Opened May 22, 2026
record union breaks type information Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

ruby/rbs#2969 · Opened May 22, 2026
Proposal: Extend `ruby-rbs` crate features Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ruby/rbs#2954 · 2 comments · 1 reaction · Opened May 14, 2026
Add `wasm32-wasip1` target support for `ruby-rbs-sys` (cross-platform bindgen issues) Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

ruby/rbs#2943 · 1 reaction · Opened May 1, 2026
Add type constraints to classgenerics in methods Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

ruby/rbs#2868 · 3 comments · Opened Mar 5, 2026
RBS "compilers" support Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ruby/rbs#2861 · 2 comments · 1 reaction · Opened Mar 2, 2026
Question to seek clarification on the definition of "..." in type signatures Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ruby/rbs#2847 · Opened Feb 11, 2026
Proposal to deprecate prototype features Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ruby/rbs#2841 · 3 comments · 3 reactions · Opened Feb 3, 2026
extconf_compile_commands_json seems unmaintained Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ruby/rbs#2827 · Opened Jan 25, 2026
Mutation methods type-locking question Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

ruby/rbs#2819 · Opened Jan 20, 2026
A way to distinguish "gradual typing" from "anything possible" Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ruby/rbs#2711 · 6 comments · Opened Nov 19, 2025
Add a way to mark a method as deprecated in inline RBS Open

Difficulty 5/5 Over a week Newbie friendliness 28/100

ruby/rbs#2702 · 3 comments · Opened Nov 10, 2025
Inline support on protoype Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

ruby/rbs#2653 · 4 comments · 1 reaction · Opened Sep 5, 2025
relative lookup failing when subclass has the same name as eval'ed class Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

ruby/rbs#2650 · Opened Sep 1, 2025
[Proposal] Make`-> void` return type annotation on `initialize` methods to be implicit Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

ruby/rbs#2634 · 1 comment · 3 reactions · Opened Aug 6, 2025
How to use type aliases? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ruby/rbs#2616 · Opened Jul 19, 2025
bundler and rubygems Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ruby/rbs#2599 · Opened Jul 14, 2025
Improve `rbs_buffer_t` Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ruby/rbs#2584 · Opened Jul 2, 2025
Improve `rbs_hash_t` Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ruby/rbs#2583 · Opened Jul 2, 2025
safe_dump function missing from Psych Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ruby/rbs#2518 · 3 comments · Opened May 27, 2025
gnu99 check in extconf seems to prevent Makefile generation on JRuby, MacOS 15 Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ruby/rbs#2433 · 2 comments · Opened Apr 25, 2025
Native extension use in Gemfile prevents bundling on JRuby Open

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

ruby/rbs#2432 · 2 reactions · Opened Apr 25, 2025
RBS::InstanceVariableDuplicationError happens on double included module Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ruby/rbs#2386 · 1 comment · Opened Apr 7, 2025
Support main object Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

ruby/rbs#2361 · 4 reactions · Opened Mar 26, 2025
The documentation for the bundled gem has not been updated Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ruby/rbs#2258 · 3 comments · Opened Jan 27, 2025
RBS collection cannot load signature for default gem. Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

ruby/rbs#2226 · 1 comment · Opened Jan 9, 2025
Signature for MemoryView Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

ruby/rbs#2215 · 9 comments · Opened Dec 30, 2024
Syntax to bound generics of self in method Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

ruby/rbs#2191 · 2 reactions · Opened Dec 20, 2024
[Epic] Pure C API Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ruby/rbs#2133 · 4 comments · 3 reactions · Opened Dec 6, 2024
Allow for individual test skiping Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ruby/rbs#2130 · 2 comments · Opened Dec 6, 2024
`Attribute#ivar_name` API is unclear Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ruby/rbs#2109 · Opened Dec 2, 2024
Unable to install rbs on JRuby Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

ruby/rbs#2067 · 2 comments · Opened Oct 23, 2024
'RBS::Types::Proc#map_type_name': undefined method 'map_type_name' for an instance of RBS::Types::UntypedFunction (NoMethodError) Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

ruby/rbs#2066 · Opened Oct 23, 2024
Proposal: allow to specify Union type for the module-self Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

ruby/rbs#2065 · 1 comment · 1 reaction · Opened Oct 18, 2024
Test failure with `make test-bundled-gems` Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

ruby/rbs#2062 · Opened Oct 16, 2024
calling #each on obj typed with record yields |bot, bot| types Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ruby/rbs#1888 · 3 comments · Opened Jun 12, 2024
Method overload narrowing Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ruby/rbs#1875 · 1 reaction · Opened Jun 7, 2024
Array(T | Array[T]) not well handled Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ruby/rbs#1874 · 2 comments · 1 reaction · Opened Jun 7, 2024
inline type narrowing Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ruby/rbs#1873 · 1 comment · 1 reaction · Opened Jun 7, 2024
Support type narrowing Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ruby/rbs#1822 · 2 comments · 6 reactions · Opened May 20, 2024
Identify and skip `development` dependencies Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ruby/rbs#1817 · Opened May 8, 2024
Position of RBS::Location should be byte length Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

ruby/rbs#1814 · 3 comments · Opened May 1, 2024
support * in tuples Open

enhancement spec

Difficulty 4/5 3-5 days Newbie friendliness 42/100

ruby/rbs#1791 · 3 comments · 1 reaction · Opened Apr 5, 2024
How to deal with gems with integrations Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

ruby/rbs#1728 · 1 reaction · Opened Jan 19, 2024

ruby/rbs

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