diff --git a/src/extension-types.ts b/src/extension-types.ts
index 3d8afb6..c776891 100644
--- a/src/extension-types.ts
+++ b/src/extension-types.ts
@@ -1,29 +1,37 @@
-interface ExtensionKleckMessagePasswordStatus {
+export interface ExtensionKleckMessagePasswordStatus {
 	type: "password-status"
 }
 
-interface ExtensionKleckMessageAskForPassword {
+export interface ExtensionKleckMessageAskForPassword {
 	type: "ask-for-password"
 }
 
-interface ExtensionKleckMessageUser {
+export interface ExtensionKleckMessageUser {
 	type: "get-user"
 }
 
-interface ExtensionKleckMessageEnterPassword {
+export interface ExtensionKleckMessageEnterPassword {
 	type: "enter-password"
 }
 
-interface ExtensionKleckMessageRefetchAliases {
+export interface ExtensionKleckMessageRefetchAliases {
 	type: "refetch-aliases"
 }
 
+export interface ExtensionKleckMessageLatestAlias {
+	type: "latest-alias"
+	data: {
+		latestAliasId: string
+	}
+}
+
 export type ExtensionKleckMessage =
 	| ExtensionKleckMessagePasswordStatus
 	| ExtensionKleckMessageAskForPassword
 	| ExtensionKleckMessageUser
 	| ExtensionKleckMessageEnterPassword
 	| ExtensionKleckMessageRefetchAliases
+	| ExtensionKleckMessageLatestAlias
 
 export type ExtensionKleckEvent = MessageEvent & {
 	detail: ExtensionKleckMessage
diff --git a/src/hooks/use-extension-handler.ts b/src/hooks/use-extension-handler.ts
index 5bcb253..3d07239 100644
--- a/src/hooks/use-extension-handler.ts
+++ b/src/hooks/use-extension-handler.ts
@@ -1,22 +1,33 @@
 import {useCallback} from "react"
 import {useEvent} from "react-use"
 
-import {ExtensionKleckEvent} from "~/extension-types"
+import {ExtensionKleckEvent, ExtensionKleckMessageLatestAlias} from "~/extension-types"
 
 export interface UseExtensionHandlerData {
 	onEnterPassword?: () => void
+	onRefetchAliases?: () => void
+	onLatestAliasChange?: ({latestAliasId}: ExtensionKleckMessageLatestAlias["data"]) => void
 }
 
-export default function useExtensionHandler({onEnterPassword}: UseExtensionHandlerData): void {
+export default function useExtensionHandler({
+	onEnterPassword,
+	onRefetchAliases,
+	onLatestAliasChange,
+}: UseExtensionHandlerData): void {
 	const handleExtensionEvent = useCallback(
 		(event: ExtensionKleckEvent) => {
 			switch (event.detail.type) {
 				case "enter-password":
 					onEnterPassword?.()
 					break
+				case "refetch-aliases":
+					onRefetchAliases?.()
+					break
+				case "latest-alias":
+					onLatestAliasChange?.(event.detail.data)
 			}
 		},
-		[onEnterPassword],
+		[onEnterPassword, onRefetchAliases, onLatestAliasChange],
 	)
 
 	useEvent("kleckrelay-kleck", handleExtensionEvent)
diff --git a/src/route-widgets/AliasesRoute/AliasesListItem.tsx b/src/route-widgets/AliasesRoute/AliasesListItem.tsx
index 5da899a..a88fcb4 100644
--- a/src/route-widgets/AliasesRoute/AliasesListItem.tsx
+++ b/src/route-widgets/AliasesRoute/AliasesListItem.tsx
@@ -1,5 +1,5 @@
 import {ReactElement} from "react"
-import {MdContentCopy} from "react-icons/md"
+import {MdContentCopy, MdExtension} from "react-icons/md"
 import {Link as RouterLink} from "react-router-dom"
 
 import {ListItemButton, ListItemIcon, ListItemSecondaryAction, ListItemText} from "@mui/material"
@@ -9,12 +9,18 @@ import {AliasList} from "~/server-types"
 
 export interface AliasesListItemProps {
 	alias: AliasList
+
+	showExtensionIcon?: boolean
 	onCopy?: (address: string) => void
 }
 
 const getAddress = (alias: AliasList): string => `${alias.local}@${alias.domain}`
 
-export default function AliasesListItem({alias, onCopy}: AliasesListItemProps): ReactElement {
+export default function AliasesListItem({
+	alias,
+	showExtensionIcon,
+	onCopy,
+}: AliasesListItemProps): ReactElement {
 	const isInCopyAddressMode = onCopy !== undefined
 	const address = getAddress(alias)
 
@@ -44,11 +50,19 @@ export default function AliasesListItem({alias, onCopy}: AliasesListItemProps):
 					</>
 				}
 			/>
-			{isInCopyAddressMode && (
-				<ListItemSecondaryAction>
-					<MdContentCopy />
-				</ListItemSecondaryAction>
-			)}
+			{(() => {
+				if (isInCopyAddressMode) {
+					return (
+						<ListItemSecondaryAction>
+							<MdContentCopy />
+						</ListItemSecondaryAction>
+					)
+				}
+
+				if (showExtensionIcon) {
+					return <MdExtension />
+				}
+			})()}
 		</ListItemButton>
 	)
 }
diff --git a/src/routes/AliasesRoute.tsx b/src/routes/AliasesRoute.tsx
index 15c4596..5bf5a3a 100644
--- a/src/routes/AliasesRoute.tsx
+++ b/src/routes/AliasesRoute.tsx
@@ -1,21 +1,11 @@
-import {ReactElement, useState, useTransition} from "react"
+import {ReactElement, useCallback, useEffect, useState, useTransition} from "react"
 import {AxiosError} from "axios"
 import {MdSearch} from "react-icons/md"
 import {useTranslation} from "react-i18next"
 import {useCopyToClipboard, useKeyPress, useUpdateEffect} from "react-use"
 
 import {useQuery} from "@tanstack/react-query"
-import {
-	Alert,
-	Chip,
-	Divider,
-	Grid,
-	InputAdornment,
-	List,
-	Snackbar,
-	TextField,
-	ToggleButton,
-} from "@mui/material"
+import {Alert, Chip, Grid, InputAdornment, List, Snackbar, TextField} from "@mui/material"
 
 import {AliasList, AliasType, PaginationResult} from "~/server-types"
 import {
@@ -26,8 +16,9 @@ import {
 	SimplePage,
 	SuccessSnack,
 } from "~/components"
-import {useIsAnyInputFocused} from "~/hooks"
+import {useExtensionHandler, useIsAnyInputFocused, useWindowVisible} from "~/hooks"
 import {CreateAliasButton} from "~/route-widgets/AliasesRoute/CreateAliasButton"
+import {ExtensionKleckMessageLatestAlias} from "~/extension-types"
 import AliasesListItem from "~/route-widgets/AliasesRoute/AliasesListItem"
 import EmptyStateScreen from "~/route-widgets/AliasesRoute/EmptyStateScreen"
 import getAliases from "~/apis/get-aliases"
@@ -59,6 +50,8 @@ export default function AliasesRoute(): ReactElement {
 	const isAnyInputFocused = useIsAnyInputFocused()
 	const [lockDisabledCopyMode, setLockDisabledCopyMode] = useState<boolean>(false)
 	const isInCopyAddressMode = !isAnyInputFocused && !lockDisabledCopyMode && isPressingControl
+	const [latestAliasId, setLatestAliasId] = useState<string | null>(null)
+	const isVisible = useWindowVisible()
 
 	const query = useQuery<PaginationResult<AliasList>, AxiosError>(
 		["get_aliases", {queryValue, searchFilter, typeFilter}],
@@ -97,12 +90,45 @@ export default function AliasesRoute(): ReactElement {
 		},
 	)
 
+	const updateLatestAliasId = useCallback(
+		({latestAliasId}: ExtensionKleckMessageLatestAlias["data"]) => {
+			setLatestAliasId(latestAliasId)
+		},
+		[],
+	)
+	useExtensionHandler({
+		onLatestAliasChange: updateLatestAliasId,
+		onRefetchAliases: query.refetch,
+	})
+
 	useUpdateEffect(() => {
 		if (!isPressingControl) {
 			setLockDisabledCopyMode(false)
 		}
 	}, [isPressingControl])
 
+	useUpdateEffect(() => {
+		if (!query.data) {
+			return
+		}
+
+		// If `latestAliasId` is not present in the current query result, then
+		// we need to refetch the query to get the latest alias.
+		if (!query.data.items.some(({id}) => id === latestAliasId)) {
+			query.refetch()
+		}
+	}, [latestAliasId])
+
+	useEffect(() => {
+		window.dispatchEvent(
+			new CustomEvent("kleckrelay-blob", {
+				detail: {
+					type: "get-latest-alias",
+				},
+			}),
+		)
+	}, [isVisible])
+
 	return (
 		<SimplePage
 			title={t("routes.AliasesRoute.title")}
@@ -260,6 +286,7 @@ export default function AliasesRoute(): ReactElement {
 												<AliasesListItem
 													alias={alias}
 													key={alias.id}
+													showExtensionIcon={alias.id === latestAliasId}
 													onCopy={
 														isInCopyAddressMode
 															? alias => {