microsoft/AL

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Home of the Dynamics 365 Business Central AL Language extension for Visual Studio Code. Used to track issues regarding the latest version of the AL compiler and developer tools available in the Visual Studio Code Marketplace or as part of the AL Developer Preview builds for Dynamics 365 Business Central.

Stars: 881
Forks: 285
Open beginner issues: 0
Indexed issues: 135
Avg merge: 3d 36m
Merged PRs (30d): 1

Dominant language: PowerShell
License: MIT
Last GitHub push: Sep 10, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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135 open issues indexed

AL 18.0.2732683 regression: System.Drawing types cannot be resolved from assembly probing paths Open

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

microsoft/AL#8340 · Opened Sep 16, 2026
Bug in using "continue" in nested foreach loop Open

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

microsoft/AL#8339 · Opened Sep 14, 2026
"Value is not accepted" / Code analyzer rules not recognized in ruleset file. Open

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

microsoft/AL#8338 · 1 comment · 5 reactions · Opened Sep 10, 2026
altpgen.exe (AL Table Proxy Generator) missing from extension bin folder in v18.0.2726309 Open

accepted packaging

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

microsoft/AL#8337 · Opened Sep 10, 2026
Authenticaton against BC not working Open

accepted

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

microsoft/AL#8335 · 1 comment · Opened Sep 10, 2026
Processing of message 'al/gotodefinition' failed with error: 'Value cannot be null. Open

accepted

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

microsoft/AL#8331 · Opened Sep 3, 2026
Diagnostic AL0192 incorrectly reported when using Cookie.Name(...) or Cookie.Value(...) as setters Open

accepted

Difficulty 3/5 1-2 days Newbie friendliness 58/100

microsoft/AL#8330 · Opened Sep 2, 2026
HttpHeaders added via HttpClient.DefaultRequestHeaders() lose SecretText protection (ContainsSecret = false) after Send(), when read back via HttpRequestMessage.GetHeaders() Open

accepted

Difficulty 4/5 3-5 days Newbie friendliness 55/100

microsoft/AL#8329 · Opened Sep 2, 2026
[Bug] AL Language Extension initializes forever if used with an external ruleset file Open

accepted

Difficulty 4/5 3-5 days Newbie friendliness 55/100

microsoft/AL#8327 · 10 comments · 1 reaction · Opened Aug 26, 2026
al workspace compile fails with a "Could not locate alc compiler." error Open

accepted

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

microsoft/AL#8326 · Opened Aug 25, 2026
al_compile/al_build MCP tools return stale cached success after a cross-project breaking change Open

accepted

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

microsoft/AL#8325 · 2 comments · 1 reaction · Opened Aug 25, 2026
AA0136 does not flag unreachable code after `Record.FieldError(...)`, although it does after `Error(...)` Open

accepted CodeCop

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

microsoft/AL#8324 · Opened Aug 24, 2026
Can't see file content when debugging via remote tunnel Open

accepted debugger

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

microsoft/AL#8322 · 1 comment · Opened Aug 24, 2026
PerTenantExtensionCop not flagging fields/enum values outside of app's defined id range Open

microsoft/AL#8313 · 1 comment · 1 reaction · 2 assignees · Opened Aug 15, 2026
al_build / al_compile do not pass al.assemblyProbingPaths — OnPrem projects using dotnet cannot be built through the AL MCP Server Open

accepted bug

microsoft/AL#8309 · 1 assignee · Opened Aug 12, 2026
Publish highlightjs_al to npm so Highlight.js users can install it Open

accepted idea

microsoft/AL#8307 · 1 comment · 1 assignee · Opened Aug 8, 2026
BC [28.3] Permissions Mock.ClearAssignments fails via VS Code Extension Test Runner and AL CLI but passes in AL Test Tool Open

accepted bug

microsoft/AL#8305 · 1 comment · 1 assignee · Opened Aug 8, 2026
VS Copilot creates AL Language Crash with workspaces Open

accepted bug

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

microsoft/AL#8304 · Opened Jul 30, 2026
Global app.json preprocessor symbols are ignored when publishing to 2026 Wave 2 (NextMajor) Open

accepted

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

microsoft/AL#8300 · 2 comments · 6 reactions · Opened Jul 23, 2026
Switching to Windows Hello Causes Unrecoverable Issue Open

accepted

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

microsoft/AL#8297 · 6 comments · Opened Jul 21, 2026
Publishing fails with "UnprocessableEntity" in local BC29 environment using AL Language pre-release 18.0.2498801 Open

input-needed

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

microsoft/AL#8294 · 4 comments · 1 reaction · Opened Jul 15, 2026
altool IsSymbolOnly / IsRuntimePackage return exit code 1 when the answer is "False", making a negative result indistinguishable from an error Open

accepted

Difficulty 3/5 1-2 days Newbie friendliness 58/100

microsoft/AL#8291 · Opened Jul 10, 2026
Source Code from Symbols not fully visible Open

investigate

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

microsoft/AL#8290 · 1 reaction · Opened Jul 8, 2026
AL Language extension enters a perpetual loading/spinning state when opening a multi-root Open

accepted bug

Difficulty 4/5 3-5 days Newbie friendliness 55/100

microsoft/AL#8289 · 5 comments · 3 reactions · Opened Jul 7, 2026
Test Explorer / #runTests (AL Language) hangs indefinitely on a compilation error instead of reporting the build failure Open

accepted

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

microsoft/AL#8284 · 1 reaction · Opened Jun 30, 2026
al_publish LM tool hangs after successful full dependency tree publish when debug: false Open

accepted al-tools bug

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

microsoft/AL#8280 · Opened Jun 22, 2026
Pre-release of the AL compiler: AL0920 reports warnings on internal interfaces Open

accepted al-core-compiler bug

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

microsoft/AL#8279 · 7 comments · 2 reactions · Opened Jun 19, 2026
Debug adapter falls back to process CWD as package cache and recursively scans it — on Linux (CWD = $HOME) attach takes 15-30s and stackTrace never responds Open

accepted debugger

Difficulty 4/5 3-5 days Newbie friendliness 50/100

microsoft/AL#8276 · 2 comments · Opened Jun 12, 2026
AL MCP (VS Code facade): al_publish only publishes the active project — no projectPath/scope to target a specific app or publish all workspace apps Open

accepted al-tools

Difficulty 4/5 3-5 days Newbie friendliness 55/100

microsoft/AL#8275 · 1 comment · Opened Jun 12, 2026
AL MCP (VS Code facade): al_publish / al_debug block on interactive launch-configuration picker — no non-interactive target, breaks autonomous agent loops Open

accepted al-tools

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

microsoft/AL#8274 · 1 comment · 1 reaction · Opened Jun 12, 2026
AL MCP: al_downloadsymbols ignores projectPath — always operates on the first workspace project Open

accepted al-tools

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

microsoft/AL#8273 · Opened Jun 12, 2026
CodeAnalyzer - rule "AA0072" ignores triggers and event subscriber Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 58/100

microsoft/AL#8272 · 1 reaction · Opened Jun 10, 2026
Processing of message 'al/gotodefinition' failed with error: 'Value cannot be null. (Parameter 'projectId')' Open

input-needed

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

microsoft/AL#8271 · 1 comment · Opened Jun 4, 2026
al_symbolsearch (AL MCP server) crashes with NullReferenceException on any scope=dependencies / scope=all query Open

accepted al-tools

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

microsoft/AL#8270 · 1 reaction · Opened Jun 2, 2026
Compiler Error - Specified part does not exist in the package (Compiler Version 18.0.37.11445) Open

accepted al-core-compiler

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

microsoft/AL#8267 · 6 comments · 3 reactions · Opened May 29, 2026
Bug in warning AL0885/AL0836 looping with AL0254 Open

accepted

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

microsoft/AL#8265 · 4 comments · Opened May 21, 2026
AL0885 false positive with table and table extension in another repo Open

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

microsoft/AL#8253 · Opened May 7, 2026
Native support for Mac Silicon due future removal of Rosetta Open

accepted mac-os packaging

microsoft/AL#8251 · 2 comments · 1 reaction · 1 assignee · Opened May 5, 2026
AL0264/AL0197 false positive when didOpen URI casing differs from on-disk path (related to #6077) Open

accepted bug vscode-integration

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

microsoft/AL#8249 · 2 comments · Opened May 1, 2026
Dictionary.Get(key, var Interface) overload causes CLR CS1503 error: interface argument passed by value instead of ByRef Open

accepted al-core-compiler bug

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

microsoft/AL#8247 · Opened Apr 29, 2026
'textDocument/codeAction' failed,.error: 'out of range of valid values. (Parameter 'span')' / 'textDocument/hover' failed error: 'Specified argument out of the range of valid values. (Parameter 'index')' Open

input-needed

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

microsoft/AL#8246 · 2 comments · Opened Apr 28, 2026
Unable to run tests on already published apps (Global scope) Open

accepted al-testability bug

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

microsoft/AL#8244 · 2 comments · Opened Apr 27, 2026
AL MCP: warnings from code cops missing Open

investigate

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

microsoft/AL#8243 · 1 comment · Opened Apr 23, 2026
List.AddRange | Throws unhandled CLR exception for empty list of interfaces Open

accepted bug platform-api

Difficulty 3/5 1-2 days Newbie friendliness 50/100

microsoft/AL#8241 · Opened Apr 22, 2026
Missing compiler error when assigning a Variant to a RecordRef Open

accepted al-core-compiler bug platform-api

microsoft/AL#8239 · 1 comment · 1 assignee · Opened Apr 20, 2026
AL Extension leaves Microsoft.Dynamics.Nav.EditorServices.Host processes behind after closing VSCode Open

accepted bug mac-os

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

microsoft/AL#8237 · 3 comments · 2 reactions · Opened Apr 16, 2026
Large multi-root AL workspace : intermittent dependency resolution instability in dependent projects, Failing Builds Open

accepted

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

microsoft/AL#8236 · 3 comments · Opened Apr 15, 2026
al_symbolsearch fails after al_addproject Open

accepted bug

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

microsoft/AL#8227 · 3 comments · Opened Apr 9, 2026
`altool workspace compile` crashes with `IOException: The handle is invalid` when stdout is redirected (v17.0.2273547) Open

accepted al-tools bug

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

microsoft/AL#8226 · 4 comments · 1 reaction · Opened Apr 8, 2026
AL MCP in VSGHCP Chat - cannot publish/download with MCP only with VS Code tools Open

al-tools input-needed

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

microsoft/AL#8225 · 1 comment · Opened Apr 5, 2026

microsoft/AL

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