diff --git a/content/copilot/managing-copilot/configuring-and-auditing-content-exclusion/excluding-content-from-github-copilot.md b/content/copilot/managing-copilot/configuring-and-auditing-content-exclusion/excluding-content-from-github-copilot.md
index c550c02d9d8b..446908d79a56 100644
--- a/content/copilot/managing-copilot/configuring-and-auditing-content-exclusion/excluding-content-from-github-copilot.md
+++ b/content/copilot/managing-copilot/configuring-and-auditing-content-exclusion/excluding-content-from-github-copilot.md
@@ -45,6 +45,7 @@ Repository administrators{% ifversion ghec %}, organization owners, and enterpri
 | JetBrains IDEs                                  | {% octicon "check" aria-label="Supported" %}  |           {% octicon "check" aria-label="Supported" %}           |
 | Vim/Neovim                                      | {% octicon "check" aria-label="Supported" %}  |                          Not applicable                          |
 | Xcode                                           | {% octicon "check" aria-label="Supported" %}  |                          Not applicable                          |
+| Eclipse                                         | {% octicon "check" aria-label="Supported" %}  | {% octicon "x" aria-label="Not supported" %} |
 | Azure Data Studio                               | {% octicon "x" aria-label="Not supported" %}  |                          Not applicable                          |
 | The {% data variables.product.github %} website |                Not applicable                 |           {% octicon "check" aria-label="Supported" %}           |
 | {% data variables.product.prodname_mobile %}    |                Not applicable                 |           {% octicon "check" aria-label="Supported" %}           |
diff --git a/src/search/components/input/AskAIResults.tsx b/src/search/components/input/AskAIResults.tsx
index e63236379320..2e3cd123ae28 100644
--- a/src/search/components/input/AskAIResults.tsx
+++ b/src/search/components/input/AskAIResults.tsx
@@ -58,6 +58,7 @@ export function AskAIResults({
   const [message, setMessage] = useState('')
   const [initialLoading, setInitialLoading] = useState(true)
   const [responseLoading, setResponseLoading] = useState(false)
+  const [announcement, setAnnouncement] = useState<string>('')
   const disclaimerRef = useRef<HTMLDivElement>(null)
   // We cache up to 1000 queries, and expire them after 30 days
   const { getItem, setItem } = useAISearchLocalStorageCache<{
@@ -83,6 +84,7 @@ export function AskAIResults({
       status: 400,
     })
     setMessage(cannedResponse)
+    setAnnouncement(cannedResponse)
     setReferences([])
     setItem(
       query,
@@ -105,6 +107,7 @@ export function AskAIResults({
     }
     let isCancelled = false
     setMessage('')
+    setAnnouncement('')
     setReferences([])
     setAICouldNotAnswer(false)
     setInitialLoading(true)
@@ -118,6 +121,7 @@ export function AskAIResults({
       setAICouldNotAnswer(cachedData.aiCouldNotAnswer || false)
       setInitialLoading(false)
       setResponseLoading(false)
+
       sendAISearchResultEvent({
         sources: cachedData.sources,
         message: cachedData.message,
@@ -125,6 +129,10 @@ export function AskAIResults({
         couldNotAnswer: cachedData.aiCouldNotAnswer,
         status: cachedData.aiCouldNotAnswer ? 400 : 200,
       })
+
+      setTimeout(() => {
+        setAnnouncement(cachedData.message)
+      }, 1500)
       return
     }
 
@@ -203,6 +211,9 @@ export function AskAIResults({
                   setMessage(messageBuffer)
                 }
               }
+              if (!isCancelled) {
+                setAnnouncement('Copilot Response Loading...')
+              }
             }
           }
         }
@@ -246,18 +257,12 @@ export function AskAIResults({
 
   return (
     <div className={styles.container}>
-      {/* Hidden status message for screen readers */}
-      <span role="status" aria-live="polite" className={styles.displayForScreenReader}>
-        {initialLoading || responseLoading
-          ? t('search.ai.loading_status_message')
-          : t('search.ai.done_loading_status_message')}
-      </span>
       {initialLoading ? (
         <div className={styles.loadingContainer} role="status">
           <Spinner />
         </div>
       ) : (
-        <article aria-busy={responseLoading} aria-live="polite">
+        <article aria-busy={responseLoading} aria-live="assertive">
           {!aiCouldNotAnswer && message !== '' ? (
             <span ref={disclaimerRef} className={styles.disclaimerText}>
               {t('search.ai.disclaimer')}
@@ -358,6 +363,8 @@ export function AskAIResults({
                     paddingLeft: '0px',
                   }}
                   key={`reference-${index}`}
+                  id={`search-option-reference-${index + referencesIndexOffset}`}
+                  role="option"
                   tabIndex={-1}
                   onSelect={() => {
                     referenceOnSelect(source.url)
@@ -374,6 +381,22 @@ export function AskAIResults({
           </ActionList>
         </>
       ) : null}
+      <div
+        aria-live="assertive"
+        style={{
+          position: 'absolute',
+          width: '1px',
+          height: '1px',
+          padding: '0',
+          margin: '-1px',
+          overflow: 'hidden',
+          clip: 'rect(0, 0, 0, 0)',
+          whiteSpace: 'nowrap',
+          border: '0',
+        }}
+      >
+        {announcement}
+      </div>
     </div>
   )
 }
diff --git a/src/search/components/input/SearchOverlay.tsx b/src/search/components/input/SearchOverlay.tsx
index 3d0abcec80df..d158574459c8 100644
--- a/src/search/components/input/SearchOverlay.tsx
+++ b/src/search/components/input/SearchOverlay.tsx
@@ -39,6 +39,7 @@ import { EventType } from '@/events/types'
 import { ASK_AI_EVENT_GROUP, SEARCH_OVERLAY_EVENT_GROUP } from '@/events/components/event-groups'
 import type { AIReference } from '../types'
 import type { AutocompleteSearchHit, GeneralSearchHit } from '@/search/types'
+import { focusTrap } from '@primer/behaviors'
 
 type Props = {
   searchOverlayOpen: boolean
@@ -88,6 +89,14 @@ export function SearchOverlay({
 
   // Group all events between open / close of the overlay together
   const searchEventGroupId = useRef<string>('')
+  const overlayRef = useRef<HTMLDivElement>(null)
+
+  useEffect(() => {
+    if (searchOverlayOpen && overlayRef.current) {
+      focusTrap(overlayRef.current, inputRef.current || undefined)
+    }
+  }, [searchOverlayOpen])
+
   useEffect(() => {
     searchEventGroupId.current = uuidv4()
   }, [searchOverlayOpen])
@@ -486,6 +495,7 @@ export function SearchOverlay({
       <>
         <ActionList
           aria-label={t('search.overlay.suggestions_list_aria_label')}
+          id="search-suggestions-list"
           showDividers
           className={styles.suggestionsList}
           ref={suggestionsListHeightRef}
@@ -601,6 +611,7 @@ export function SearchOverlay({
         role="dialog"
         aria-modal="true"
         aria-labelledby={overlayHeadingId}
+        ref={overlayRef}
       >
         <Header className={styles.header}>
           <TextInput
@@ -609,9 +620,17 @@ export function SearchOverlay({
             ref={inputRef}
             value={urlSearchInputQuery}
             onChange={handleSearchQueryChange}
-            onKeyDown={handleKeyDown}
             leadingVisual={<SearchIcon />}
             aria-labelledby={overlayHeadingId}
+            role="combobox"
+            aria-controls="search-suggestions-list"
+            aria-expanded={combinedOptions.length > 0}
+            aria-activedescendant={
+              selectedIndex >= 0
+                ? `search-option-${combinedOptions[selectedIndex].group}-${selectedIndex}`
+                : undefined
+            }
+            onKeyDown={handleKeyDown}
             placeholder={t('search.input.placeholder_no_icon')}
             trailingAction={
               <Stack
@@ -793,6 +812,8 @@ function renderSearchGroups(
         items.push(
           <ActionList.Item
             key={`general-${index}`}
+            id={`search-option-general-${index}`}
+            role="option"
             className={styles.noResultsFound}
             tabIndex={-1}
             aria-label={t('search.overlay.no_results_found')}
@@ -808,6 +829,9 @@ function renderSearchGroups(
         items.push(
           <ActionList.Item
             key={`general-${index}`}
+            id={`search-option-general-${index}`}
+            role="option"
+            aria-describedby="search-suggestions-list"
             onSelect={() =>
               option.isViewAllResults ? performGeneralSearch() : generalSearchResultOnSelect(option)
             }
@@ -843,11 +867,7 @@ function renderSearchGroups(
 
     groups.push(
       <ActionList.Group key="general" data-testid="general-autocomplete-suggestions">
-        <ActionList.GroupHeading
-          as="h3"
-          tabIndex={-1}
-          aria-label={t('search.overlay.general_suggestions_list_aria_label')}
-        >
+        <ActionList.GroupHeading as="h3" tabIndex={-1} id="search-suggestions-list">
           {t('search.overlay.general_suggestions_list_heading')}
         </ActionList.GroupHeading>
         {items}
@@ -872,11 +892,7 @@ function renderSearchGroups(
   if (aiOptionsWithUserInput.length && !isInAskAIState) {
     groups.push(
       <ActionList.Group key="ai-suggestions" data-testid="ai-autocomplete-suggestions">
-        <ActionList.GroupHeading
-          as="h3"
-          tabIndex={-1}
-          aria-label={t('search.overlay.ai_suggestions_list_aria_label')}
-        >
+        <ActionList.GroupHeading as="h3" id="copilot-suggestions" tabIndex={-1}>
           <CopilotIcon className="mr-1" />
           {t('search.overlay.ai_autocomplete_list_heading')}
         </ActionList.GroupHeading>
@@ -887,6 +903,9 @@ function renderSearchGroups(
           const item = (
             <ActionList.Item
               key={`ai-${indexWithOffset}`}
+              id={`search-option-ai-${indexWithOffset}`}
+              role="option"
+              aria-describedby="copilot-suggestions"
               onSelect={() => aiAutocompleteOnSelect(option)}
               active={isActive}
               tabIndex={-1}