Issues

• Strong typecheck aborts before checking any file

  castwide/solargraph#1383 · Filter by author apiology opened on Sep 30, 2026
  1

• Type abstraction violations

  castwide/solargraph#1382 · Filter by author apiology opened on Sep 30, 2026
  1

• Type parameter in a module reopening is not substituted when spelled differently from the original declaration

  castwide/solargraph#1318 · Filter by author apiology opened on Aug 19, 2026

• @!override on a constant crashes the typechecker

  castwide/solargraph#1302 · Filter by author apiology opened on Aug 15, 2026

• Generic type variable is not solved when the @param type is a union (generic<A>, nil)

  castwide/solargraph#1298 · Filter by author apiology opened on Aug 14, 2026

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

  castwide/solargraph#1296 · Filter by author apiology opened on Aug 13, 2026

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

  castwide/solargraph#1286 · Filter by author apiology opened on Aug 12, 2026

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

  castwide/solargraph#1284 · Filter by author 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

  castwide/solargraph#1283 · Filter by author apiology opened on Aug 11, 2026

• raise and abort confuse typechecker

  castwide/solargraph#1276 · Filter by author apiology opened on Aug 8, 2026
  3

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

  castwide/solargraph#1275 · Filter by author apiology opened on Aug 8, 2026

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

  castwide/solargraph#1267 · Filter by author apiology opened on Aug 6, 2026

• @generic T return type is lost when the method also declares a block parameter

  castwide/solargraph#1265 · Filter by author apiology opened on Aug 6, 2026

• Report unparameterized Hash/Array at the declaration site, not several calls downstream

  castwide/solargraph#1264 · Filter by author apiology opened on Aug 5, 2026

• Instance variable type not inferred when set only in an ancestor class's method

  castwide/solargraph#1261 · Filter by author apiology opened on Aug 4, 2026

• Chain::Call#resolve can't resolve calls to a YARD duck-type param's own declared method

  castwide/solargraph#1257 · Filter by author apiology opened on Aug 3, 2026

• require: config entries and scanned require calls aren't translated to RBS stdlib library names, so slash-named stdlib requires silently never load their RBS pins

  castwide/solargraph#1256 · Filter by author apiology opened on Aug 3, 2026
  4

• Typecheck rejects arguments that satisfy an RBS type alias, because aliases aren't expanded before comparison

  castwide/solargraph#1255 · Filter by author apiology opened on Aug 3, 2026

• Flow-sensitive typing doesn't narrow past a raise/return-based nil guard

  castwide/solargraph#1254 · Filter by author apiology opened on Aug 3, 2026

• Flow-sensitive typing doesn't narrow is_a? checks combined with && or inside elsif branch bodies

  castwide/solargraph#1251 · Filter by author apiology opened on Aug 2, 2026

• Flow-sensitive typing doesn't update a variable's type after reassignment to a different (non-literal) type

  castwide/solargraph#1250 · Filter by author apiology opened on Aug 2, 2026

• Flow-sensitive typing doesn't narrow repeated calls to the same attr_reader-style method

  castwide/solargraph#1249 · Filter by author apiology opened on Aug 2, 2026

• solargraph gems core crashes: PinCache.cache_core does not exist

  castwide/solargraph#1248 · Filter by author apiology opened on Aug 2, 2026

• Overload resolution by argument type unions signatures instead of narrowing

  castwide/solargraph#1246 · Filter by author apiology opened on Aug 2, 2026

• TypeChecker doesn't resolve generic parameter types against the receiver for fixed-arity params

  castwide/solargraph#1242 · Filter by author apiology opened on Aug 2, 2026