[Bug] When scrolling up, the remaining lines appear at the top

[dw130]

Reproducible in vscode.dev or in VS Code Desktop?

• Not reproducible in vscode.dev or VS Code Desktop

Reproducible in the monaco editor playground?

• Not reproducible in the monaco editor playground

Monaco Editor Playground Link

No response

Monaco Editor Playground Code

"monaco-editor": "^0.49.0",


monaco.editor.defineTheme('myTheme', {
  base: 'vs-dark',
  inherit: true,
  rules: [
    { token: 'comment.css', foreground: 'ff4949' },
    { token: 'highLightClass', background: 'eb8282' },
  ],
  colors: {
    "editor.lineHighlightBackground": "#3e3d32",
    "editorLineNumber.foreground": "#90908a",
    "editor.selectionBackground": "#878b9180",
    'editor.inactiveSelectionBackground': '#414339',
    // 'editor.background': "#252526",
    "editor.background": "#272822",
    "editor.foreground": "#f8f8f2",
    "selection.background": "#ccccc7",
  },
})
monaco.editor.setTheme('myTheme')


monaco.editor.create(this.$refs[name][0], {
          language: "json",
          editorOptions: {
            theme: "myTheme",
            selectOnLineNumbers: true,
            roundedSelection: false,
            quickSuggestions: false,
          },
          readOnly: true,
          wordWrap: 'on', 
          scrollbar: {
            horizontal: 'hidden' 
          },
          //wordWrapColumn: 80, 
          wordWrapMinified: true, 
          //wrappingIndent: 'indent' 
        });

Reproduction Steps

No response

Actual (Problematic) Behavior

When keep scrolling up, the remaining lines appear at the top
A dividing line appears
line 1902， next line is 1927

once click line 1902，the abnormal line 1902 disppear and 1926 appear

Expected Behavior

No response

Additional Context

No response