Add note about the September 2025 release to the editor welcome screen

frontend/src/components/widgets/labels/TextLabel.svelte

@@ -84,5 +84,9 @@
 			flex: 0 0 30%;
 			text-align: right;
 		}
+
+		a {
+			color: inherit;
+		}
 	}
 </style>

frontend/src/components/window/title-bar/WindowButtonsWeb.svelte

@@ -9,7 +9,7 @@
 
 	const fullscreen = getContext<FullscreenState>("fullscreen");
 
-	$: requestFullscreenHotkeys = fullscreen.keyboardLockApiSupported && !$fullscreen.keyboardLocked;
+	$: requestFullscreenHotkeys = $fullscreen.keyboardLockApiSupported && !$fullscreen.keyboardLocked;
 
 	async function handleClick() {
 		if ($fullscreen.windowFullscreen) fullscreen.exitFullscreen();

frontend/src/components/window/workspace/Panel.svelte

@@ -159,6 +159,8 @@
 			<svelte:component this={PANEL_COMPONENTS[panelType]} />
 		{:else}
 			<LayoutCol class="empty-panel" on:dragover={(e) => e.preventDefault()} on:drop={dropFile}>
+				<LayoutCol class="top-spacer"></LayoutCol>
+				<LayoutCol class="content-container">
 					<LayoutCol class="content">
 						<LayoutRow class="logotype">
 							<IconLabel icon="GraphiteLogotypeSolid" />
@@ -197,6 +199,16 @@
 						</LayoutRow>
 					</LayoutCol>
 				</LayoutCol>
+				<LayoutCol class="bottom-message">
+					{#if new Date().getFullYear() === 2025}
+						<TextLabel italic={true} disabled={true}>
+							September 2025 release — <a href="https://youtube.com/watch?v=Vl5BA4g3QXM" target="_blank">What's new? (video)</a>
+							— Note: some older documents may render differently and require manual fixes.
+							<a href="https://ec6796b4.graphite-editor.pages.dev/" target="_blank">Need the old version?</a>
+						</TextLabel>
+					{/if}
+				</LayoutCol>
+			</LayoutCol>
 		{/if}
 	</LayoutCol>
 </LayoutCol>
@@ -211,6 +223,7 @@
 			height: 28px;
 			min-height: auto;
 			background: var(--color-1-nearblack); // Needed for the viewport hole punch on desktop
+			flex-shrink: 0;
 
 			&.min-widths .tab-group .tab {
 				min-width: 120px;
@@ -333,6 +346,10 @@
 				background: var(--color-2-mildblack);
 				margin: 4px;
 				border-radius: 2px;
+				justify-content: space-between;
+
+				.content-container {
+					flex: 0 0 auto;
 					justify-content: center;
 
 					.content {
@@ -340,6 +357,7 @@
 						align-items: center;
 
 						.logotype {
+							margin-top: 8px;
 							margin-bottom: 40px;
 
 							svg {
@@ -349,6 +367,8 @@
 						}
 
 						.actions {
+							margin-bottom: 8px;
+
 							table {
 								border-spacing: 8px;
 								margin: -8px;
@@ -360,6 +380,22 @@
 						}
 					}
 				}
+
+				.top-spacer {
+					flex: 0 1 48px;
+				}
+
+				.bottom-message {
+					flex: 0 0 48px;
+					align-items: center;
+					justify-content: end;
+
+					.text-label {
+						white-space: wrap;
+						margin: 0 1em;
+					}
+				}
+			}
 		}
 
 		// Needed for the viewport hole punch on desktop