[Regression] Cannot read properties of null (reading '$ref')

[vs-code-engineering]

Error Message

Cannot read properties of null (reading '$ref')

Stack Trace

    at (anonymous) (./src/vs/workbench/contrib/tasks/common/jsonSchema_v2.ts:26:0)
    at fixReferences (./src/vs/workbench/contrib/tasks/common/jsonSchema_v2.ts:32:0)
    at (anonymous) (./src/vs/workbench/contrib/tasks/common/jsonSchema_v2.ts:29:0)
    at fixReferences (./src/vs/workbench/contrib/tasks/common/jsonSchema_v2.ts:32:0)
    at (anonymous) (./src/vs/workbench/contrib/tasks/common/jsonSchema_v2.ts:29:0)
    at fixReferences (./src/vs/workbench/contrib/tasks/common/jsonSchema_v2.ts:494:0)
    at updateTaskDefinitions (./src/vs/workbench/contrib/tasks/common/jsonSchema_v2.ts:461:0)

Raw Stack Trace (minified)

TypeError: Cannot read properties of null (reading '$ref')     at B8t (out/vs/workbench/workbench.desktop.main.js:4083:28488)     at out/vs/workbench/workbench.desktop.main.js:4083:28607     at Array.forEach ((anonymous))     at B8t (out/vs/workbench/workbench.desktop.main.js:4083:28544)     at out/vs/workbench/workbench.desktop.main.js:4083:28607     at Array.forEach ((anonymous))     at B8t (out/vs/workbench/workbench.desktop.main.js:4083:28544)     at NBi (out/vs/workbench/workbench.desktop.main.js:4083:34056)     at out/vs/workbench/workbench.desktop.main.js:4083:33635

Details

Property	Value
Bucket ID	a8eac8fe-0bef-b40e-bcdf-edad5be76232
Version	1.114.0-insider
Commit	[00515ed0]((insiders.vscode.dev/redacted)
Last Seen	2026-03-29T23:04:09.544Z
Platforms	Windows, Mac, Linux
Product	VSCode

Regression Details

Field	Value
Regression type	New error
First seen in	1.114.0-insider (00515ed)
Not present in	1.113.0 (cfbea10)
Commits between	diff

Commit Range Analysis

The error was first observed in insider build 1.114.0-insider (a31e6e0080e3861ffda8904849fd657e6d7c7bc6, 2026-03-24T17:03:27Z).

Last good build: 1.113.0 (cfbea10c5ffb233ea9177d34726e6056e89913dc)

Narrowed commit range: Compare cfbea10c...a31e6e00

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