Owner

JuliaDebug

10 indexed repositories · View on GitHub

Cthulhu.jl
The slow descent into madness

Julia · 709 stars
Debugger.jl
Julia debugger

Julia · 514 stars
Infiltrator.jl
No-overhead breakpoints in Julia

Julia · 496 stars
SnoopCompile.jl
Provide insights about latency (TTFX) for Julia packages

Julia · 331 stars
JuliaInterpreter.jl
Interpreter for Julia code

Julia · 168 stars
CodeTracking.jl
It's editing-time, do you know where your methods are?

Julia · 150 stars
CassetteOverlay.jl
An experimental simple method overlay mechanism for Julia

Julia · 36 stars
LoweredCodeUtils.jl
Tools for manipulating Julia's lowered code

Julia · 19 stars
TerminalRegressionTests.jl
Regression Testing for Terminal UIs

Julia · 13 stars
DebuggerFramework.jl
A framework for writing debuggers

Julia · 9 stars

Beginner friendly Everything

Open All

TypedSyntax: a macro call inside an expression leaves the enclosing calls unmapped Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

JuliaDebug/Cthulhu.jl#712 · Opened Sep 16, 2026
TypedSyntax: `ccall` argument conversions are attributed to the argument-type tuple Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

JuliaDebug/Cthulhu.jl#711 · Opened Sep 16, 2026
TypedSyntax: `val = f(@inbounds A[j])` maps the call to the assignment target `val` Open

Difficulty 3/5 1-2 days Newbie friendliness 66/100

JuliaDebug/Cthulhu.jl#710 · Opened Sep 16, 2026
sl (step into last call in line) is unreliable Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

JuliaDebug/Debugger.jl#423 · 1 comment · Opened Sep 8, 2026
How to see past debugger output eg after hitting ^D? Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaDebug/Debugger.jl#422 · Opened Sep 7, 2026
Debugger text is not readable with white Terminal background Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

JuliaDebug/Debugger.jl#418 · 1 comment · Opened Aug 12, 2026
Syntax highlighting warning Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

JuliaDebug/Debugger.jl#417 · 1 comment · Opened Jul 26, 2026
TagBot: Manual intervention needed for releases Open

tagbot-manual

Difficulty 1/5 Under an hour Newbie friendliness 65/100

JuliaDebug/TerminalRegressionTests.jl#25 · Opened Jul 24, 2026
TagBot: Manual intervention needed for releases Open

tagbot-manual

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

JuliaDebug/Debugger.jl#410 · Opened Jul 18, 2026
Feature request: fr without types Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

JuliaDebug/Debugger.jl#396 · Opened Apr 9, 2026
Colours don't work in Julia 1.12 Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

JuliaDebug/Cthulhu.jl#701 · 1 reaction · Opened Mar 28, 2026
Can Infiltrator work with tests? Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaDebug/Infiltrator.jl#172 · 1 comment · Opened Mar 9, 2026
"UndefVarError: `ConstPropResult` not defined in `Compiler`" when pre-compiling Cthulhu Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaDebug/Cthulhu.jl#698 · 1 comment · Opened Mar 5, 2026
VSCode-only ERROR: unhandled `Compiler.CallInfo` of type Compiler.VirtualMethodMatchInfo" Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaDebug/Cthulhu.jl#696 · Opened Feb 28, 2026
TagBot: Manual intervention needed for releases Open

tagbot-manual

Difficulty 1/5 Under an hour Newbie friendliness 45/100

JuliaDebug/JuliaInterpreter.jl#710 · Opened Feb 27, 2026
Cthulhu should display ambiguous method matches Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaDebug/Cthulhu.jl#695 · Opened Feb 26, 2026
TagBot: Manual intervention needed for releases Open

tagbot-manual

Difficulty 1/5 Under an hour Newbie friendliness 25/100

JuliaDebug/LoweredCodeUtils.jl#145 · Opened Feb 24, 2026
Missing call sites Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

JuliaDebug/Cthulhu.jl#694 · Opened Feb 20, 2026
MethodError in TypedSyntax Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaDebug/Cthulhu.jl#693 · 1 comment · 1 reaction · Opened Feb 5, 2026
Pass fails on code paths using `Pipe()` Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

JuliaDebug/CassetteOverlay.jl#71 · Opened Jan 20, 2026
Illegal instruction when calling nonoverlay with kwargs... of mixed types under overlay pass Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

JuliaDebug/CassetteOverlay.jl#70 · Opened Dec 27, 2025
Load `Main` namespace into infiltrator module Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaDebug/Infiltrator.jl#164 · 2 comments · Opened Dec 26, 2025
`AssertionError: isdefined(cache[mi], :inferred)` on julia nightly for some functions Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

JuliaDebug/Cthulhu.jl#691 · 1 comment · Opened Dec 11, 2025
Error when descending into function Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaDebug/Cthulhu.jl#690 · Opened Dec 10, 2025
Print `code_typed`-friendly signature for the current frame Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaDebug/Cthulhu.jl#689 · 2 comments · Opened Dec 9, 2025
Cannot descend into function without revising Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaDebug/Cthulhu.jl#688 · 1 comment · Opened Dec 9, 2025
TODO: fully re-enable JET Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

JuliaDebug/SnoopCompile.jl#443 · Opened Sep 26, 2025
TODO: turn coverage back on Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaDebug/SnoopCompile.jl#441 · Opened Sep 26, 2025
TODO: switch doc-build back to 'min' Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

JuliaDebug/SnoopCompile.jl#435 · Opened Sep 24, 2025
Support `shell` and `help` REPL modes Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaDebug/Infiltrator.jl#154 · 1 reaction · Opened Sep 24, 2025
Support running with the existing CI cache? Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

JuliaDebug/Cthulhu.jl#670 · 1 reaction · Opened Sep 15, 2025
`MethodError: no method matching cthulhu_typed` on julia nightly Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaDebug/Cthulhu.jl#669 · 1 comment · 1 reaction · Opened Sep 14, 2025
`descend(Base.show_unquoted, ...)` fails Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaDebug/Cthulhu.jl#664 · Opened Aug 23, 2025
`descend` results disagree with `code_typed` Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

JuliaDebug/Cthulhu.jl#663 · 4 comments · 1 reaction · Opened Aug 22, 2025
The output of `invalidation_trees` is unreadable in Pluto Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaDebug/SnoopCompile.jl#420 · 1 comment · Opened Jul 23, 2025
Errors with TypedSyntax Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaDebug/Cthulhu.jl#653 · 3 comments · Opened Jul 17, 2025
TypeError upon descending into a dynamic call Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaDebug/Cthulhu.jl#651 · 1 comment · Opened Jul 14, 2025
Define a low-level interface to support non-standard compilation Open

JuliaDebug/Cthulhu.jl#648 · 1 comment · 2 reactions · 1 assignee · Opened Jun 20, 2025
@code_string output includes comment after function Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaDebug/CodeTracking.jl#143 · 1 comment · Opened Jun 16, 2025
Error when trying to showerror: TypeError: in specializations, expected DataType, got Type{Union{}} Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

JuliaDebug/Debugger.jl#372 · 4 comments · Opened May 2, 2025
upgrading from v2.16 to v2.17 causes `ERROR: expected tuple type` Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

JuliaDebug/Cthulhu.jl#632 · Opened Mar 28, 2025
When interacting with TimerOutputs.jl, only displays lowered code Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaDebug/Debugger.jl#362 · 1 comment · Opened Feb 21, 2025
Allow user to step into failing generator Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaDebug/Cthulhu.jl#617 · Opened Feb 13, 2025
Document caveats Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaDebug/CassetteOverlay.jl#62 · 2 comments · Opened Feb 6, 2025
Overloading all functions Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaDebug/CassetteOverlay.jl#60 · 3 comments · Opened Jan 12, 2025
Docs? Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaDebug/CassetteOverlay.jl#59 · 2 reactions · Opened Jan 8, 2025
Actionable items from `@snoop_llvm` in the tutorial Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaDebug/SnoopCompile.jl#399 · 1 comment · 1 reaction · Opened Oct 14, 2024
Typed syntax output showing type unstable result as type stable? Open

bug TypedSyntax

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaDebug/Cthulhu.jl#599 · Opened Sep 18, 2024
`@descend` first takes a long time, then when selecting a function, throws `TypeError: in typeassert, expected Vector{Any}, got a value of type Nothing` Open

bug TypedSyntax

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaDebug/Cthulhu.jl#598 · 1 comment · Opened Sep 18, 2024
TypeError: in typeassert, expected Union{JuliaSyntax.TreeNode{TypedSyntax.TypedSyntaxData}, JuliaSyntax.SyntaxNode}, got a value of type Nothing Open

bug TypedSyntax

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaDebug/Cthulhu.jl#584 · Opened Jul 31, 2024

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