Issues

• False positive when inferring a nullable result from an implicit lambda parameter

  false positivejspecify
  uber/NullAway#2146 · Filter by author msridhar opened on Nov 8, 2026

• Support JEP 513: this(...) after a constructor prologue

  uber/NullAway#2145 · Filter by author is-ivanov opened on Nov 8, 2026

• PolyNull library models cause false-positive nullable return warnings on override declarations

  uber/NullAway#2142 · Filter by author msridhar opened on Nov 8, 2026

• PolyNull support for Map.compute

  uber/NullAway#2140 · Filter by author retrodaredevil opened on Nov 7, 2026

• Dataflow reruns on a safe-init helper for each field read, and on @EnsuresNonNull methods and stream filters

  uber/NullAway#2137 · Filter by author vlsi opened on Nov 7, 2026

• Nothing in the build catches a new ASTHelpers.getSymbol call that misses a parenthesized operand

  uber/NullAway#2133 · Filter by author vlsi opened on Nov 4, 2026
  1

• An inference failure is reported together with the errors that follow from it

  uber/NullAway#2132 · Filter by author vlsi opened on Nov 4, 2026

• Handler: treat Class#getCanonicalName() on class literals as @NonNull

  uber/NullAway#2128 · Filter by author Stephan202 opened on Nov 3, 2026

• Stream#filter with a null-rejecting lambda is not treated like filter(Objects::nonNull) when inferring a collector's type variable

  uber/NullAway#2127 · Filter by author Stephan202 opened on Nov 3, 2026

• WarnOnGenericInferenceFailure reports an inference failure for Optional#orElse following a generic call in an argument list

  uber/NullAway#2126 · Filter by author Stephan202 opened on Nov 3, 2026
  1

• WarnOnGenericInferenceFailure reports an inference failure for a @Nullable argument passed to a generic method of @NullUnmarked code

  uber/NullAway#2125 · Filter by author Stephan202 opened on Nov 3, 2026

• Bad error message: WarnOnGenericInferenceFailure flags Collector<_, ?, _> arguments passed to @NullMarked methods such as Reactor's Flux#collect

  uber/NullAway#2124 · Filter by author Stephan202 opened on Nov 3, 2026
  3

• Assignment check takes exponential time when intersection bounds form a cycle

  uber/NullAway#2093 · Filter by author vlsi opened on Oct 30, 2026
  

• Preserve unspecified nested nullness for references to @NullUnmarked methods

  uber/NullAway#2088 · Filter by author coderabbitai opened on Oct 28, 2026
  

• JSpecify mode: an override of a null-unmarked method is reported for mismatched type argument nullability

  uber/NullAway#2078 · Filter by author vlsi opened on Oct 26, 2026

• Decouple synthetic nullness annotations from VisitorState

  uber/NullAway#2073 · Filter by author subhramit opened on Oct 25, 2026

• False positive for inline generic method references

  false positivejspecify
  uber/NullAway#2063 · Filter by author msridhar opened on Oct 24, 2026

• Wiki Maven example fails with current Error Prone: missing --should-stop=ifError=FLOW and -XDaddTypeAnnotationsToSymbol=true

  uber/NullAway#2058 · Filter by author vlsi opened on Oct 23, 2026
  1

• Checker Framework @EnsuresNonNullIf(expression = ...) is silently ignored

  enhancementfalse positive
  uber/NullAway#2053 · Filter by author vlsi opened on Oct 23, 2026

• JSpecify mode: field of type T is not substituted through the receiver, so b.value = null on Box<@Nullable String> is reported

  false negativefalse positivejspecify
  uber/NullAway#2051 · Filter by author vlsi opened on Oct 23, 2026
  1

• JSpecify mode reports Try<String> cannot be converted to Try<@Nullable String> for a call chain on an unmarked generic class

  false positivejspecify
  uber/NullAway#2045 · Filter by author vlsi opened on Oct 22, 2026

• JSpecify mode: a @Nullable Object[] passed to an unmarked method's @NonNull Object[] parameter is not reported

  false negativejspecify
  uber/NullAway#2044 · Filter by author vlsi opened on Oct 22, 2026

• JSpecify mode: a diamond passed to <U> U id(U u) is inferred as Box<String> whatever the target type

  false negativefalse positivejspecify
  uber/NullAway#2043 · Filter by author vlsi opened on Oct 22, 2026

• Remove the fallback that reads type-use annotations from bytecode type attributes

  uber/NullAway#2042 · Filter by author vlsi opened on Oct 22, 2026

• JSpecify: a var initialized with a conditional expression gets no @Nullable type argument from diamond or generic method inference

  false negativejspecify
  uber/NullAway#2038 · Filter by author vlsi opened on Oct 22, 2026