'My VS Code SCM gutter indicator has a bizarre pattern on it suddenly

My gutter indicators in VS Code (seemingly randomly) switched from a solid color (blue) to patterned (blue with repeating black diagonal lines), a la:

screenshot

I've not found anything here or in my settings that can undo or affect this. Does anyone know how to revert back to a solid color, and/or why this happened and what it means?



Solution 1:[1]

See the Release Notes: https://code.visualstudio.com/updates/v1_66#_updated-source-control-decorators

In order to make the source control decorators more visible for accessibility, we've added a new pattern for modified lines and increased the contrast for all decorators.

I don't think you can go back to a solid color yet (until the v1.67 release - see below thanks to @Phil), you can only change the colors of the "stripes" with the colorCustomization: "editorGutter.modifiedBackground": "#ff0000", [or go back to v1.65 until the issue gets sorted]


As @Phil reports, there is already an option in the Insiders Build:

SCM: Diff Decorations Gutter Pattern

diff decorations gutter pattern setting

Unselect the Use pattern for the diff decorations in gutter for modified lines. (modified) The default is enabled.

Sources

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Source: Stack Overflow

Solution Source
Solution 1