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Flow-sensitive typing doesn't narrow a literal-equality (==/!=) guard against a literal union member

Status: Open.

#1296 In castwide/solargraph;

· apiology opened on Aug 13, 2026

duck_types_match? rejects a duck-typed argument even when it declares the same duck type

Status: Open.

#1294 In castwide/solargraph;

· apiology opened on Aug 12, 2026

@yieldparam type on a block-form @overload isn't applied to the block-local variable at the call site

Status: Open.

#1289 In castwide/solargraph;

· apiology opened on Aug 12, 2026

Generic T doesn't bind through a cross-file @!parse stub

Status: Open.

#1286 In castwide/solargraph;

· apiology opened on Aug 12, 2026

A method with any ensure clause has its return type never inferred, regardless of the method body

Status: Open.

#1284 In castwide/solargraph;

· apiology opened on Aug 11, 2026

@!override with @overload doesn't dispatch per call site -- applies only the first overload's signature to every call

Status: Open.

#1283 In castwide/solargraph;

· apiology opened on Aug 11, 2026

raise and abort confuse typechecker

Status: Open.

#1276 In castwide/solargraph;

· apiology opened on Aug 8, 2026

Enumerable#sum probe result differs between macOS and Linux CI (BigDecimal vs Integer) with identical gem versions

Status: Open.

#1275 In castwide/solargraph;

· apiology opened on Aug 8, 2026

Same-class generic resolution binds to the first union member instead of the actual member

Status: Open.

#1272 In castwide/solargraph;

· apiology opened on Aug 6, 2026

Chain#nullable? leaks nil into unrelated later calls when a &. appears earlier in the chain

Status: Open.

#1270 In castwide/solargraph;

· apiology opened on Aug 6, 2026

Struct.new(keyword_init: true) members treated as required, not optional/nil-defaulting

Status: Open.

#1268 In castwide/solargraph;

· apiology opened on Aug 6, 2026

Structural RBS interface conformance only checks method presence, not return/parameter types

Status: Open.

#1267 In castwide/solargraph;

· apiology opened on Aug 6, 2026