fixes #52892

src/vs/base/browser/ui/centered/centeredViewLayout.ts

@@ -60,8 +60,15 @@ export class CenteredViewLayout {
 
 	constructor(private container: HTMLElement, private view: IView, public readonly state: CenteredViewState = GOLDEN_RATIO) {
 		this.container.appendChild(this.view.element);
+		// Make sure to hide the split view overflow like sashes #52892
+		this.container.style.overflow = 'hidden';
 	}
 
+	get minimumWidth(): number { return this.splitView ? this.splitView.minimumSize : this.view.minimumWidth; }
+	get maximumWidth(): number { return this.splitView ? this.splitView.maximumSize : this.view.maximumWidth; }
+	get minimumHeight(): number { return this.view.minimumHeight; }
+	get maximumHeight(): number { return this.view.maximumHeight; }
+
 	layout(width: number, height: number): void {
 		this.width = width;
 		this.height = height;

src/vs/workbench/browser/parts/editor/editorPart.ts

@@ -731,10 +731,10 @@ export class EditorPart extends Part implements EditorGroupsServiceImpl, IEditor
 
 	//#region Part
 
-	get minimumWidth(): number { return this.gridWidget ? this.gridWidget.minimumWidth : 0; }
-	get maximumWidth(): number { return this.gridWidget ? this.gridWidget.maximumWidth : Number.POSITIVE_INFINITY; }
-	get minimumHeight(): number { return this.gridWidget ? this.gridWidget.minimumHeight : 0; }
-	get maximumHeight(): number { return this.gridWidget ? this.gridWidget.maximumHeight : Number.POSITIVE_INFINITY; }
+	get minimumWidth(): number { return this.centeredLayoutWidget.minimumWidth; }
+	get maximumWidth(): number { return this.centeredLayoutWidget.maximumWidth; }
+	get minimumHeight(): number { return this.centeredLayoutWidget.minimumHeight; }
+	get maximumHeight(): number { return this.centeredLayoutWidget.maximumHeight; }
 
 	get preferredSize(): Dimension {
 		if (!this._preferredSize) {