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failure to emit mandatory write barriers for memoryref store in v1.12 (regression)

bugIndicates an unexpected problem or unintended behaviorIndicates an unexpected problem or unintended behavior

GCGarbage collectorGarbage collector

Status: Open.

Bug

#59547 In JuliaLang/julia;

· vtjnash opened on Sep 12, 2025

· 

1.12

accidental startup deadlock caught in gdb

heisenbugThis bug occurs unpredictablyThis bug occurs unpredictably

multithreadingBase.Threads and related functionalityBase.Threads and related functionality

regression 1.12Regression in the 1.12 releaseRegression in the 1.12 release

Status: Open.

#59538 In JuliaLang/julia;

· vtjnash opened on Sep 12, 2025

Impossible to reinitialize codegen subsystem in julia

Status: Open.

#59536 In JuliaLang/julia;

· redeemed-sis opened on Sep 11, 2025

logs getting spammed with "Precompiling" messages

compiler:precompilationPrecompilation of modulesPrecompilation of modules

regression 1.12Regression in the 1.12 releaseRegression in the 1.12 release

Status: Open.

#59527 In JuliaLang/julia;

· vtjnash opened on Sep 10, 2025

v1.12 <code>atreplinit</code> <code>UndefVarError</code>: The binding may be too new: running in world age ..., while current world is ...

Status: Open.

#59526 In JuliaLang/julia;

· singularitti opened on Sep 10, 2025

Accessing the field docstring of a parametric <code>struct</code> gives <code>MethodError</code> in the REPL

Status: Open.

#59524 In JuliaLang/julia;

· francis-biocurie opened on Sep 9, 2025

Stacktraces do not print a function's Module, even when required for disambiguation

error messagesBetter, more actionable error messagesBetter, more actionable error messages

Status: Open.

#59522 In JuliaLang/julia;

· topolarity opened on Sep 9, 2025

Reduce <code>@threads :greedy</code> overhead by buffering channel

multithreadingBase.Threads and related functionalityBase.Threads and related functionality

performanceMust go fasterMust go faster

Status: Open.

#59514 In JuliaLang/julia;

· jakobnissen opened on Sep 9, 2025

Invalid IR emission

bugIndicates an unexpected problem or unintended behaviorIndicates an unexpected problem or unintended behavior

compiler:codegenGeneration of LLVM IR and native codeGeneration of LLVM IR and native code

Status: Open.

Bug

#59510 In JuliaLang/julia;

· wsmoses opened on Sep 8, 2025

invalid IR generated by new <code>codeinfo_for_const</code> function

bugIndicates an unexpected problem or unintended behaviorIndicates an unexpected problem or unintended behavior

Status: Open.

Bug

#59501 In JuliaLang/julia;

· vtjnash opened on Sep 7, 2025

Implement <code>circshift(::NamedTuple, ::Integer)</code>

collectionsData structures holding multiple items, e.g. setsData structures holding multiple items, e.g. sets

featureIndicates new feature / enhancement requestsIndicates new feature / enhancement requests

Status: Open.

Enhancement

#59495 In JuliaLang/julia;

· jariji opened on Sep 5, 2025

Miscompile when dispatching on type stored in struct

compiler:inferenceType inferenceType inference

Status: Open.

Bug

#59490 In JuliaLang/julia;

· AayushSabharwal opened on Sep 5, 2025