Owner

titzer

2 indexed repositories · View on GitHub

virgil
A fast and lightweight native programming language

Shell · 1421 stars
wizard-engine
Research WebAssembly Engine

WebAssembly · 512 stars

Beginner friendly Everything

Open All

disassembler failures Open

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

titzer/virgil#770 · 1 comment · Opened Sep 5, 2026
br_on_cast / br_on_cast_fail accept a target label with an empty result type Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

titzer/wizard-engine#655 · 1 comment · Opened Jun 25, 2026
ref.test and ref.cast accept a target heap type from a different hierarchy than the operand Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

titzer/wizard-engine#654 · Opened Jun 25, 2026
[Potential Bug]: Wizard x86-64 SPC: `i8x16.ne` (and i16x8/i32x4/i64x2) corrupts a live local Open

Difficulty 3/5 1-2 days Newbie friendliness 76/100

titzer/wizard-engine#650 · Opened Jun 11, 2026
[Potential Bug]: `vN.storeN_lane` writes to the wrong address (x86-64 interpreter) Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

titzer/wizard-engine#649 · Opened Jun 10, 2026
Potential Bug: `i8x16.extract_lane_u` / `i16x8.extract_lane_u` not zero-extended in the x86-64 interpreter Open

Difficulty 1/5 1-3 hours Newbie friendliness 88/100

titzer/wizard-engine#648 · Opened Jun 10, 2026
Does profiler work with stack-switching instructions? Open

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

titzer/wizard-engine#638 · 3 comments · Opened May 19, 2026
Profiler can print bad values for "self" on first row Open

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

titzer/wizard-engine#637 · Opened May 19, 2026
!exception[tag=3587](<ref struct #35>) Open

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

titzer/wizard-engine#636 · 1 comment · Opened May 19, 2026
Test failure with incorrect stack state Open

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

titzer/wizard-engine#634 · 1 comment · Opened May 12, 2026
`Execute.tiering` should not be global Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

titzer/wizard-engine#629 · Opened May 10, 2026
UNREACHABLE Trap in `v128.load8_splat` with memidx ≠ 0 Open

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

titzer/wizard-engine#544 · Opened Dec 25, 2025
Class Parameter Inheritance duplicate names Open

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

titzer/virgil#528 · 3 comments · Opened Dec 11, 2025
null check exception Open

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

titzer/wizard-engine#530 · 2 comments · Opened Nov 24, 2025
Pointer.atEnd on Ranges Open

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

titzer/virgil#501 · Opened Oct 29, 2025
RefLayoutGetRepeatedField and RefLayoutSerRepeatedField should allow BoolType Open

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

titzer/virgil#500 · Opened Oct 28, 2025
Test hangs Open

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

titzer/wizard-engine#495 · 5 comments · Opened Sep 24, 2025
Add ability to map dirs by name Open

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

titzer/wizard-engine#482 · 1 comment · Opened Sep 19, 2025
Parser Suggestion: Panic Recovery Mode Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

titzer/virgil#473 · 1 comment · Opened Aug 28, 2025
Fast interpreter: issue with decoding block types Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

titzer/wizard-engine#283 · 1 comment · Opened Feb 10, 2025
Wrong error message in case of validation error Open

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

titzer/wizard-engine#270 · 2 comments · Opened Feb 3, 2025
Run + report status of proposals in CI Open

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

titzer/wizard-engine#190 · 1 comment · Opened Sep 18, 2024
Feature: Compile to standalone x86_64 code for bare metal. Open

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

titzer/virgil#251 · 4 comments · Opened Jun 16, 2024
Add CSV capabilities to Wizard Monitors Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

titzer/wizard-engine#167 · 1 comment · Opened May 30, 2024
Online documentation Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

titzer/virgil#247 · 1 comment · 3 reactions · Opened May 4, 2024
Implement wasm-threads (atomics) proposal Open

help wanted

Difficulty 5/5 Over a week Newbie friendliness 38/100

titzer/wizard-engine#155 · Opened Feb 28, 2024
Most of documentation files seem to be empty Open

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

titzer/virgil#152 · 1 comment · Opened Apr 26, 2023
Support wasm-c-api Open

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

titzer/wizard-engine#29 · 4 comments · Opened Apr 26, 2023
Support Windows 64 bit Open

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

titzer/virgil#150 · 4 comments · Opened Apr 23, 2023
Shard testsuite and parallelize Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

titzer/virgil#138 · Opened Mar 1, 2023
Copy/modify initialization expression - `with`? Open

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

titzer/virgil#135 · Opened Feb 23, 2023
Change system and pointer APIs to pervasively use the `Range` type Open

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

titzer/virgil#132 · 2 comments · 1 reaction · Opened Feb 17, 2023
Improve type system and type inference rules Open

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

titzer/virgil#131 · 4 comments · Opened Feb 17, 2023
Support socket flags/options Open

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

titzer/virgil#130 · Opened Feb 16, 2023
Supporting `unsafe` as a keyword? Open

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

titzer/virgil#116 · 2 comments · Opened Dec 18, 2022
Add Windows batch scripts for JAR and WASM target Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

titzer/virgil#113 · 1 comment · Opened Dec 13, 2022
.NET CLR target Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

titzer/virgil#112 · 1 comment · Opened Dec 9, 2022
Value of `null`? Open

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

titzer/virgil#111 · 10 comments · Opened Dec 2, 2022
Formatting conventions Open

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

titzer/virgil#86 · 1 comment · Opened Aug 31, 2022
Lambda support Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

titzer/virgil#82 · 7 comments · Opened Aug 27, 2022
Implement all of WASI snapshot preview 1 Open

help wanted

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

titzer/wizard-engine#4 · 1 comment · Opened Aug 15, 2022
lib/util: Implement %f to print floating point numbers Open

enhancement help wanted

Difficulty 3/5 1-2 days Newbie friendliness 39/100

titzer/virgil#74 · 9 comments · Opened Jul 23, 2022
How to compile Virgil into WASI Open

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

titzer/virgil#72 · 15 comments · Opened Jul 18, 2022
Improve WASM targets Open

enhancement help wanted Priority-High

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

titzer/virgil#69 · 3 comments · Opened Jul 13, 2022
turn doc/tutorial into wiki Open

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

titzer/virgil#63 · Opened Jul 4, 2022
[MacOS] Rosetta 2 refuses to run Virgil x86-64-darwin binaries Open

bug help wanted Priority-Medium

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

titzer/virgil#60 · 3 comments · Opened Jul 2, 2022
Grammar railroad diagram Open

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

titzer/virgil#46 · 30 comments · Opened Jan 1, 2022
More robust cross-compile testing solution Open

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

titzer/virgil#39 · 2 comments · Opened Feb 8, 2021

titzer

Get new issues in your inbox