diff --git a/src/commands/Settings/MultiViewerBorderColorCommand.ts b/src/commands/Settings/MultiViewerBorderColorCommand.ts
new file mode 100644
index 000000000..3a814d231
--- /dev/null
+++ b/src/commands/Settings/MultiViewerBorderColorCommand.ts
@@ -0,0 +1,49 @@
+import { SymmetricalCommand } from '../CommandBase'
+import { AtemState, AtemStateUtil, InvalidIdError } from '../../state'
+import type { MultiViewerBorderColorState } from '../../state/settings'
+
+export class MultiViewerBorderColorCommand extends SymmetricalCommand<MultiViewerBorderColorState> {
+	public static readonly rawName = 'MvBC'
+
+	public readonly multiViewerId: number
+
+	constructor(multiviewerId: number, color: MultiViewerBorderColorState) {
+		super(color)
+
+		this.multiViewerId = multiviewerId
+	}
+
+	public serialize(): Buffer {
+		const buffer = Buffer.alloc(12)
+		buffer.writeUInt8(this.multiViewerId, 0)
+		buffer.writeUInt16BE(this.properties.red, 2)
+		buffer.writeUInt16BE(this.properties.green, 4)
+		buffer.writeUInt16BE(this.properties.blue, 6)
+		buffer.writeUInt16BE(this.properties.alpha, 8)
+		return buffer
+	}
+
+	public static deserialize(rawCommand: Buffer): MultiViewerBorderColorCommand {
+		const multiViewerId = rawCommand.readUInt8(0)
+
+		const color: MultiViewerBorderColorState = {
+			red: rawCommand.readUInt16BE(2),
+			green: rawCommand.readUInt16BE(4),
+			blue: rawCommand.readUInt16BE(6),
+			alpha: rawCommand.readUInt16BE(8),
+		}
+
+		return new MultiViewerBorderColorCommand(multiViewerId, color)
+	}
+
+	public applyToState(state: AtemState): string {
+		if (!state.info.multiviewer || this.multiViewerId >= state.info.multiviewer.count) {
+			throw new InvalidIdError('MultiViewer', this.multiViewerId)
+		}
+
+		const multiviewer = AtemStateUtil.getMultiViewer(state, this.multiViewerId)
+		multiviewer.borderColor = { ...this.properties }
+
+		return `settings.multiViewers.${this.multiViewerId}.borderColor`
+	}
+}
diff --git a/src/commands/Settings/MultiViewerSourceCommand.ts b/src/commands/Settings/MultiViewerSourceCommand.ts
index 678d87963..5da139b8f 100644
--- a/src/commands/Settings/MultiViewerSourceCommand.ts
+++ b/src/commands/Settings/MultiViewerSourceCommand.ts
@@ -56,7 +56,7 @@ export class MultiViewerSourceUpdateCommand extends DeserializedCommand<MultiVie
 		const multiviewer = AtemStateUtil.getMultiViewer(state, this.multiViewerId)
 		const currentWindow = multiviewer.windows[this.properties.windowIndex]
 
-		// The Constellation HD range has a bug where it sends this command for every window on every frame
+		// The Constellation HD range had a bug where it sends this command for every window on every frame
 		// This hides that from library consumers by doing a deep diff, when we usually do not.
 		if (currentWindow && !isRunningInTests()) {
 			let isChanged = false
diff --git a/src/commands/Settings/MultiViewerWindowOverlayPropertiesCommand.ts b/src/commands/Settings/MultiViewerWindowOverlayPropertiesCommand.ts
new file mode 100644
index 000000000..189f5025e
--- /dev/null
+++ b/src/commands/Settings/MultiViewerWindowOverlayPropertiesCommand.ts
@@ -0,0 +1,79 @@
+import { DeserializedCommand, WritableCommand } from '../CommandBase'
+import { MultiViewerWindowOverlayPropertiesState } from '../../state/settings'
+import { AtemState, AtemStateUtil, InvalidIdError } from '../../state'
+
+export class MultiViewerWindowOverlayPropertiesCommand extends WritableCommand<MultiViewerWindowOverlayPropertiesState> {
+	public static MaskFlags = {
+		labelVisible: 1 << 0,
+		borderVisible: 1 << 1,
+	}
+
+	public static readonly rawName = 'CMvO'
+
+	public readonly multiViewerId: number
+	public readonly windowIndex: number
+
+	constructor(multiviewerId: number, windowIndex: number) {
+		super()
+
+		this.multiViewerId = multiviewerId
+		this.windowIndex = windowIndex
+	}
+
+	public serialize(): Buffer {
+		const buffer = Buffer.alloc(8)
+		buffer.writeUInt8(this.multiViewerId, 0)
+		buffer.writeUInt8(this.windowIndex || 0, 1)
+
+		let value = 0
+		if (this.properties.labelVisible) value |= 0x01
+		if (this.properties.borderVisible) value |= 0x02
+
+		buffer.writeUInt8(value, 3)
+		buffer.writeUInt8(this.flag, 5)
+		return buffer
+	}
+}
+
+export class MultiViewerWindowOverlayPropertiesUpdateCommand extends DeserializedCommand<MultiViewerWindowOverlayPropertiesState> {
+	public static readonly rawName = 'MvOv'
+
+	public readonly multiViewerId: number
+	public readonly windowIndex: number
+
+	constructor(multiviewerId: number, windowIndex: number, props: MultiViewerWindowOverlayPropertiesState) {
+		super(props)
+
+		this.multiViewerId = multiviewerId
+		this.windowIndex = windowIndex
+	}
+
+	public static deserialize(rawCommand: Buffer): MultiViewerWindowOverlayPropertiesUpdateCommand {
+		const multiViewerId = rawCommand.readUInt8(0)
+		const windowIndex = rawCommand.readUInt8(1)
+
+		const values = rawCommand.readUInt8(3)
+
+		const props: MultiViewerWindowOverlayPropertiesState = {
+			labelVisible: (values & 0x01) > 0,
+			borderVisible: (values & 0x02) > 0,
+		}
+
+		return new MultiViewerWindowOverlayPropertiesUpdateCommand(multiViewerId, windowIndex, props)
+	}
+
+	public applyToState(state: AtemState): string {
+		if (!state.info.multiviewer || this.multiViewerId >= state.info.multiviewer.count) {
+			throw new InvalidIdError('MultiViewer', this.multiViewerId)
+		}
+
+		const multiviewer = AtemStateUtil.getMultiViewer(state, this.multiViewerId)
+		const window = multiviewer.windows[this.windowIndex]
+		if (!window) {
+			throw new InvalidIdError('MultiViewer Window', this.multiViewerId, this.windowIndex)
+		}
+		window.overlayProperties = this.properties
+
+		return `settings.multiViewers.${this.multiViewerId}.windows.${this.windowIndex}.overlayProperties`
+	}
+}
diff --git a/src/commands/Settings/MultiViewerWindowSafeAreaTypeCommand.ts b/src/commands/Settings/MultiViewerWindowSafeAreaTypeCommand.ts
new file mode 100644
index 000000000..df135af44
--- /dev/null
+++ b/src/commands/Settings/MultiViewerWindowSafeAreaTypeCommand.ts
@@ -0,0 +1,51 @@
+import { SymmetricalCommand } from '../CommandBase'
+import { AtemState, AtemStateUtil, InvalidIdError } from '../../state'
+import { SafeTitlePattern } from '../../enums'
+import { combineComponents, getComponents } from '../../lib/atemUtil'
+
+export class MultiViewerWindowOverlaySafeAreaPatternCommand extends SymmetricalCommand<{
+	safeTitlePattern: SafeTitlePattern[]
+}> {
+	public static readonly rawName = 'StMw'
+
+	public readonly multiViewerId: number
+	public readonly windowIndex: number
+
+	constructor(multiviewerId: number, windowIndex: number, safeTitlePattern: SafeTitlePattern[]) {
+		super({ safeTitlePattern })
+
+		this.multiViewerId = multiviewerId
+		this.windowIndex = windowIndex
+	}
+
+	public serialize(): Buffer {
+		const buffer = Buffer.alloc(4)
+		buffer.writeUInt8(this.multiViewerId, 0)
+		buffer.writeUInt8(this.windowIndex, 1)
+		buffer.writeUInt8(combineComponents(this.properties.safeTitlePattern), 2)
+		return buffer
+	}
+
+	public static deserialize(rawCommand: Buffer): MultiViewerWindowOverlaySafeAreaPatternCommand {
+		const multiViewerId = rawCommand.readUInt8(0)
+		const windowIndex = rawCommand.readUInt8(1)
+		const safeTitlePattern = getComponents(rawCommand.readUInt8(2)) as SafeTitlePattern[]
+
+		return new MultiViewerWindowOverlaySafeAreaPatternCommand(multiViewerId, windowIndex, safeTitlePattern)
+	}
+
+	public applyToState(state: AtemState): string {
+		if (!state.info.multiviewer || this.multiViewerId >= state.info.multiviewer.count) {
+			throw new InvalidIdError('MultiViewer', this.multiViewerId)
+		}
+
+		const multiviewer = AtemStateUtil.getMultiViewer(state, this.multiViewerId)
+		const window = multiviewer.windows[this.windowIndex]
+		if (!window) {
+			throw new InvalidIdError('MultiViewer Window', this.multiViewerId, this.windowIndex)
+		}
+		window.safeTitlePattern = this.properties.safeTitlePattern
+
+		return `settings.multiViewers.${this.multiViewerId}.windows.${this.windowIndex}.safeTitlePattern`
+	}
+}
diff --git a/src/commands/Settings/index.ts b/src/commands/Settings/index.ts
index 7b4fb50c1..3daed1aa8 100644
--- a/src/commands/Settings/index.ts
+++ b/src/commands/Settings/index.ts
@@ -1,7 +1,10 @@
 export * from './MediaPool'
-export * from './MultiViewerSourceCommand'
+export * from './MultiViewerBorderColorCommand'
 export * from './MultiViewerPropertiesCommand'
+export * from './MultiViewerSourceCommand'
 export * from './MultiViewerVuOpacityCommand'
-export * from './MultiViewerWindowVuMeterCommand'
+export * from './MultiViewerWindowOverlayPropertiesCommand'
 export * from './MultiViewerWindowSafeAreaCommand'
+export * from './MultiViewerWindowSafeAreaTypeCommand'
+export * from './MultiViewerWindowVuMeterCommand'
 export * from './VideoMode'
diff --git a/src/commands/__tests__/index.spec.ts b/src/commands/__tests__/index.spec.ts
index ad0a5ce78..633be5aa5 100644
--- a/src/commands/__tests__/index.spec.ts
+++ b/src/commands/__tests__/index.spec.ts
@@ -203,7 +203,12 @@ describe('Commands vs LibAtem', () => {
 				!n.startsWith('TlSr') &&
 				!n.startsWith('_VMC') &&
 				!n.startsWith('FAMS') &&
-				!n.startsWith('CFMS')
+				!n.startsWith('CFMS') &&
+				// new multiviewer border
+				!n.startsWith('CMvO') &&
+				!n.startsWith('MvBC') &&
+				!n.startsWith('MvOv') &&
+				!n.startsWith('StMw')
 		)
 
 		knownNames.sort()
diff --git a/src/enums/index.ts b/src/enums/index.ts
index 8904cd531..24e151830 100644
--- a/src/enums/index.ts
+++ b/src/enums/index.ts
@@ -419,3 +419,8 @@ export enum TimeMode {
 	FreeRun = 0,
 	TimeOfDay = 1,
 }
+
+export enum SafeTitlePattern {
+	Horizontal = 1,
+	Vertical = 2,
+}
diff --git a/src/state/settings.ts b/src/state/settings.ts
index fbb581fff..70e5191b0 100644
--- a/src/state/settings.ts
+++ b/src/state/settings.ts
@@ -1,27 +1,47 @@
-import { VideoMode, MultiViewerLayout, TimeMode } from '../enums'
+import { VideoMode, MultiViewerLayout, TimeMode, SafeTitlePattern } from '../enums'
 
 export interface MultiViewerSourceState {
 	source: number
 	readonly windowIndex: number
 	readonly supportsVuMeter: boolean
 	readonly supportsSafeArea: boolean
+	// readonly supportsOverlayProperties: boolean
 }
 
 export interface MultiViewerWindowState extends MultiViewerSourceState {
 	safeTitle?: boolean
 	audioMeter?: boolean
+
+	safeTitlePattern?: SafeTitlePattern[]
+	overlayProperties?: MultiViewerWindowOverlayPropertiesState
 }
 
 export interface MultiViewerPropertiesState {
 	layout: MultiViewerLayout
 	programPreviewSwapped: boolean
 }
+export interface MultiViewerBorderColorState {
+	/** Red component 0-1000 */
+	red: number
+	/** Green component 0-1000 */
+	green: number
+	/** Blue component 0-1000 */
+	blue: number
+	/** Alpha component 0-1000 */
+	alpha: number
+}
+export interface MultiViewerWindowOverlayPropertiesState {
+	labelVisible: boolean
+	borderVisible: boolean
+}
 
 export interface MultiViewer {
 	readonly index: number
 	readonly windows: Array<MultiViewerWindowState | undefined>
 	properties?: MultiViewerPropertiesState
 	vuOpacity?: number
+
+	borderColor?: MultiViewerBorderColorState
 }
 
 export interface MediaPool {