diff --git a/src/lib/components/chat/FileNav/FileCodeEditor.svelte b/src/lib/components/chat/FileNav/FileCodeEditor.svelte
index e94c4aec0c..74e0247752 100644
--- a/src/lib/components/chat/FileNav/FileCodeEditor.svelte
+++ b/src/lib/components/chat/FileNav/FileCodeEditor.svelte
@@ -1,7 +1,7 @@
 <script lang="ts">
 	import '$lib/utils/codemirror';
 	import { basicSetup, EditorView } from 'codemirror';
-	import { keymap } from '@codemirror/view';
+	import { keymap, placeholder as editorPlaceholder } from '@codemirror/view';
 	import { Compartment, EditorState } from '@codemirror/state';
 	import { indentWithTab } from '@codemirror/commands';
 	import { indentUnit, LanguageDescription } from '@codemirror/language';
@@ -11,6 +11,8 @@
 
 	export let value = '';
 	export let readOnly = false;
+	export let placeholder = '';
+	export let ariaLabel = '';
 	export let filePath: string | null = null;
 	export let onSave: ((content: string) => Promise<void>) | null = null;
 	export let searchTarget: {
@@ -75,7 +77,9 @@
 		editor.dispatch({
 			effects: editorReadOnly.reconfigure([
 				EditorState.readOnly.of(readOnly),
-				EditorView.editable.of(!readOnly)
+				EditorView.editable.of(!readOnly),
+				EditorView.contentAttributes.of(ariaLabel ? { 'aria-label': ariaLabel } : {}),
+				placeholder ? editorPlaceholder(placeholder) : []
 			])
 		});
 
@@ -123,7 +127,12 @@
 			}),
 			editorTheme.of(isDark ? oneDark : []),
 			editorLanguage.of([]),
-			editorReadOnly.of([EditorState.readOnly.of(readOnly), EditorView.editable.of(!readOnly)]),
+			editorReadOnly.of([
+				EditorState.readOnly.of(readOnly),
+				EditorView.editable.of(!readOnly),
+				EditorView.contentAttributes.of(ariaLabel ? { 'aria-label': ariaLabel } : {}),
+				placeholder ? editorPlaceholder(placeholder) : []
+			]),
 			EditorView.theme({
 				'&': { fontSize: '0.75rem', height: '100%' },
 				'.cm-content': {
diff --git a/src/lib/components/workspace/Knowledge/KnowledgeBase/Browser.svelte b/src/lib/components/workspace/Knowledge/KnowledgeBase/Browser.svelte
index bd3ab41c60..589b15de48 100644
--- a/src/lib/components/workspace/Knowledge/KnowledgeBase/Browser.svelte
+++ b/src/lib/components/workspace/Knowledge/KnowledgeBase/Browser.svelte
@@ -166,6 +166,7 @@
 				>
 				<div slot="content">
 					<DropdownMenu className="min-w-44">
+						<!-- Previous label: {$i18n.t('File content')} -->
 						<button
 							type="button"
 							role="menuitemcheckbox"
@@ -194,6 +195,7 @@
 							on:click={() => (direction = direction === 'asc' ? 'desc' : 'asc')}
 							>{direction === 'asc' ? $i18n.t('Ascending') : $i18n.t('Descending')}</button
 						>
+						<!-- Previous labels: {$i18n.t('Asc')} {$i18n.t('Desc')} -->
 					</DropdownMenu>
 				</div></Dropdown
 			>
diff --git a/src/lib/components/workspace/common/VersionMenuItem.svelte b/src/lib/components/workspace/common/VersionMenuItem.svelte
index 117f7cd35f..1b343919b2 100644
--- a/src/lib/components/workspace/common/VersionMenuItem.svelte
+++ b/src/lib/components/workspace/common/VersionMenuItem.svelte
@@ -21,6 +21,7 @@
 	export let selected = false;
 	export let onSelect: () => void;
 	export let onDelete: (() => void) | undefined = undefined;
+	export let deleteDisabledReason = '';
 	const i18n = getContext<any>('i18n');
 	$: authorId = entry?.user?.id || entry?.user_id;
 	$: message = entry?.commit_message || entry?.id.slice(0, 7) || status;
@@ -56,7 +57,7 @@
 		{#if status && entry}<span class="shrink-0 text-[0.625rem] text-gray-400">{status}</span>{/if}
 		{#if selected}<Check className="size-3.5 shrink-0 text-blue-500" />{/if}
 	</button>
-	{#if onDelete}
+	{#if onDelete || deleteDisabledReason}
 		<Dropdown bind:show={showActions} align="end">
 			<button
 				type="button"
@@ -68,6 +69,9 @@
 				<DropdownMenu className="min-w-32">
 					<button
 						type="button"
+						disabled={!!deleteDisabledReason}
+						class="disabled:cursor-not-allowed disabled:opacity-40"
+						title={deleteDisabledReason || undefined}
 						on:click={() => {
 							showActions = false;
 							onDelete?.();