1.14

Issues

• AnnotatedString rendering seems buggy on 1.14 (vs 1.13)

  display and printingstrings
  JuliaLang/julia#60359 · Filter by author KristofferC opened on Dec 10, 2025 · 1.14
  8

  

• Loading packages is very slow on 1.14

  bisect completedlatencyregression 1.14
  JuliaLang/julia#62174 · Filter by author KristofferC opened on Jun 19, 2026 · 1.14
  7

• Performance Regressions due to cancellation PRs

  cancellationperformanceregression
  JuliaLang/julia#62856 · Filter by author Zentrik opened on Aug 22, 2026 · 1.14
  4

• LLVM: SLPVectorizer: Assertion UnscheduledDeps >= 0 && "Expected valid number of unscheduled deps"'

  compiler:llvmregression 1.14
  JuliaLang/julia#62893 · Filter by author KristofferC opened on Aug 27, 2026 · 1.14

• \ for abstract-eltype RHS throws via lu(Matrix{Any}) or returns Vector{Any}

  regression 1.14
  JuliaLang/julia#62896 · Filter by author KristofferC opened on Aug 27, 2026 · 1.14
  1

• LLVM: SelectionDAG: shift-type assertion in Microfloats

  compiler:llvmregression 1.14
  JuliaLang/julia#62898 · Filter by author KristofferC opened on Aug 27, 2026 · 1.14

• Broadcast.materialize! rejects writable Number subtypes before custom style dispatch

  regression 1.14
  JuliaLang/julia#62900 · Filter by author KristofferC opened on Aug 27, 2026 · 1.14
  1

• Forced SIGINT interrupt often required rather than ctrl+C for codes taking a long time

  cancellation
  JuliaLang/julia#48154 · Filter by author gaurav-arya opened on Jan 6, 2023 · 1.14
  18

• MPQ.add!/MPQ.sub! return garbage when the output aliases an input (longstanding UB, exposed on 1.14 by the GMP realloc patch)

  bignumsrationalsregression 1.14
  JuliaLang/julia#62974 · Filter by author KristofferC opened on Sep 2, 2026 · 1.14

• Base: add SignalCondition for handling process signals

  Unread
  JuliaLang/julia#63344·IanButterworth opened Sep 24, 2026 · Updated Oct 16, 2026
  3

• raw svec improperly returned as value

  regression 1.14types and dispatch
  Bug

  JuliaLang/julia#63514 · Filter by author adienes opened on Oct 1, 2026 · 1.14

• Value-parameterised annotations and Face primacy

  bugfixdisplay and printingdon't squashfeaturestdlibstrings
  Unread
  JuliaLang/julia#60527·tecosaur opened Jan 1, 2026 · Updated Oct 18, 2026
  13

• aotcompile: don't mark pkgimage objects as needing an executable stack

  Unread
  JuliaLang/julia#63595·vchuravy opened Oct 5, 2026 · Updated Oct 11, 2026
  1

  

• Package images drop inferred CodeInstances that don't get native code (regression, likely #62303)

  JuliaLang/julia#63751 · Filter by author KristofferC opened on Oct 12, 2026 · 1.14
  1

• .ji caches (--pkgimages=no/existing) no longer save precompiled code for external methods (regression from #61997)

  JuliaLang/julia#63752 · Filter by author KristofferC opened on Oct 12, 2026 · 1.14
  1

• read!/readbytes! on IOStream ~10 ns slower per call than on 1.13 (cancellation checks?)

  ioperformanceregression 1.14
  JuliaLang/julia#63788 · Filter by author KristofferC opened on Oct 13, 2026 · 1.14

• Capture SIGINT with @async, in a script or in the REPL

  cancellation
  JuliaLang/julia#45055 · Filter by author chunjiw opened on Apr 21, 2022 · 1.14
  8

• Cannot start repl on FreeBSD

  JuliaLang/julia#63777 · Filter by author kostikbel opened on Oct 13, 2026 · 1.14
  2

• objcache: SysV semaphore sets leak on macOS, one per depot

  JuliaLang/julia#63789 · Filter by author maleadt opened on Oct 13, 2026 · 1.14
  

• Self-referential struct field with <: bound fails on nightly: TypeVar upper bound is Core.TypeApp

  regression 1.14types and dispatch
  JuliaLang/julia#63827 · Filter by author KristofferC opened on Oct 14, 2026 · 1.14
  1

• subtype: fix false-positive diagonal variable recognition in union bounds

  backport 1.14bugfixtypes and dispatch
  Unread
  JuliaLang/julia#63813·adienes opened Oct 14, 2026 · Updated Oct 18, 2026