diff --git a/src/pages/common/components/ChatComponent/ChatComponent.tsx b/src/pages/common/components/ChatComponent/ChatComponent.tsx
index 99b2bec6b4..c7350bd0b1 100644
--- a/src/pages/common/components/ChatComponent/ChatComponent.tsx
+++ b/src/pages/common/components/ChatComponent/ChatComponent.tsx
@@ -88,6 +88,7 @@ import {
 } from "./utils";
 import styles from "./ChatComponent.module.scss";
 import { BaseTextEditorHandles } from "@/shared/ui-kit/TextEditor/BaseTextEditor";
+import { useFeedItemContext } from "../FeedItem";
 
 const BASE_CHAT_INPUT_HEIGHT = 48;
 const BASE_ORDER_INTERVAL = 1000;
@@ -258,6 +259,20 @@ export default function ChatComponent({
     parseStringToTextEditorValue(),
   );
 
+  const {
+    setIsInputFocused
+  } = useFeedItemContext();
+
+  useEffect(() => {
+    const isEmpty = checkIsTextEditorValueEmpty(message);
+    if(!isEmpty || message.length > 1) {
+      setIsInputFocused?.(true);
+    } else {
+      setIsInputFocused?.(false);
+    }
+
+  },[message, setIsInputFocused])
+
   const emojiCount = useMemo(
     () => countTextEditorEmojiElements(message),
     [message],
diff --git a/src/pages/common/components/DiscussionFeedCard/DiscussionFeedCard.tsx b/src/pages/common/components/DiscussionFeedCard/DiscussionFeedCard.tsx
index 61547c2016..dcd82a373c 100644
--- a/src/pages/common/components/DiscussionFeedCard/DiscussionFeedCard.tsx
+++ b/src/pages/common/components/DiscussionFeedCard/DiscussionFeedCard.tsx
@@ -218,12 +218,6 @@ function DiscussionFeedCard(props, ref) {
   const cardTitle = discussion?.title;
   const commonNotion = outerCommonNotion ?? common?.notion;
 
-  // const ownerId = useMemo(() => {
-  //   if(item.userId) {
-  //     return item.userId
-  //   }
-  // },[item.userId])
-
   const handleOpenChat = useCallback(() => {
     if (discussion && !isPreviewMode) {
       setChatItem({
diff --git a/src/pages/common/components/FeedCard/FeedCard.tsx b/src/pages/common/components/FeedCard/FeedCard.tsx
index 1b1625819a..5fac7dcb50 100644
--- a/src/pages/common/components/FeedCard/FeedCard.tsx
+++ b/src/pages/common/components/FeedCard/FeedCard.tsx
@@ -299,7 +299,7 @@ const FeedCard = (props, ref) => {
   ]);
 
   return (
-    <div ref={containerRef} >
+    <div ref={containerRef}>
       {!isPreviewMode && <div className={styles.toggleCard} {...getToggleProps()}>{feedItemBaseContent}</div>}
       <div {...getCollapseProps()}>
         <CommonCard
diff --git a/src/pages/common/components/FeedItem/context.ts b/src/pages/common/components/FeedItem/context.ts
index e6cb317705..22c10d4180 100644
--- a/src/pages/common/components/FeedItem/context.ts
+++ b/src/pages/common/components/FeedItem/context.ts
@@ -71,6 +71,7 @@ export interface GetLastMessageOptions {
 }
 
 export interface FeedItemContextValue {
+  setIsInputFocused?: (isFocused: boolean) => void;
   setExpandedFeedItemId?: (feedItemId: string | null) => void;
   renderFeedItemBaseContent?: (props: FeedItemBaseContentProps) => ReactNode;
   onFeedItemUpdate?: (item: CommonFeed, isRemoved: boolean) => void;
diff --git a/src/pages/commonFeed/components/FeedLayout/FeedLayout.tsx b/src/pages/commonFeed/components/FeedLayout/FeedLayout.tsx
index 4bfc9ef35b..91f55aafef 100644
--- a/src/pages/commonFeed/components/FeedLayout/FeedLayout.tsx
+++ b/src/pages/commonFeed/components/FeedLayout/FeedLayout.tsx
@@ -13,7 +13,7 @@ import React, {
 import { useSelector } from "react-redux";
 import { useHistory } from "react-router-dom";
 import PullToRefresh from "react-simple-pull-to-refresh";
-import { useDeepCompareEffect, useWindowSize } from "react-use";
+import { useDeepCompareEffect, useKey, useWindowSize } from "react-use";
 import classNames from "classnames";
 import { selectUser } from "@/pages/Auth/store/selectors";
 import { useCommonMember } from "@/pages/OldCommon/hooks";
@@ -44,7 +44,7 @@ import {
   ROUTE_PATHS,
 } from "@/shared/constants";
 import { useRoutesContext } from "@/shared/contexts";
-import { useMemoizedFunction, useQueryParams } from "@/shared/hooks";
+import { useElementPresence, useMemoizedFunction, useQueryParams } from "@/shared/hooks";
 import { useGovernanceByCommonId } from "@/shared/hooks/useCases";
 import { useDisableOverscroll } from "@/shared/hooks/useDisableOverscroll";
 import { useIsTabletView } from "@/shared/hooks/viewport";
@@ -90,6 +90,7 @@ import {
 import {
   BATCHES_AMOUNT_TO_PRELOAD,
   ITEMS_AMOUNT_TO_PRE_LOAD_MESSAGES,
+  MENTION_TAG_ELEMENT,
 } from "./constants";
 import { useUserForProfile } from "./hooks";
 import {
@@ -353,6 +354,8 @@ const FeedLayout: ForwardRefRenderFunction<FeedLayoutRef, FeedLayoutProps> = (
   const activeFeedItemId = chatItem?.feedItemId || feedItemIdForAutoChatOpen;
   const sizeKey = `${windowWidth}_${contentWidth}`;
 
+  const activeFeedItemIndex = useMemo(() => allFeedItems.findIndex((item) => item.itemId === activeFeedItemId), [activeFeedItemId, allFeedItems]);
+
   const getUserCircleIds = useCallback(
     (commonId) => {
       return Object.values(
@@ -405,6 +408,50 @@ const FeedLayout: ForwardRefRenderFunction<FeedLayoutRef, FeedLayoutProps> = (
     setChatItem(nextChatItem);
   }, []);
 
+  const isMentionOpen = useElementPresence(MENTION_TAG_ELEMENT.key, MENTION_TAG_ELEMENT.value);
+  const [isInputFocused, setIsInputFocused] = useState(false);
+
+  const handleArrowUp = (event, activeFeedItemIndex, allFeedItems, isMentionOpen, setChatItem) => {
+    if (!isMentionOpen && !isInputFocused) {
+      event.preventDefault();
+      event.stopPropagation();
+  
+      if (activeFeedItemIndex > 0) {
+        const nextFeedItemId = allFeedItems[activeFeedItemIndex - 1]?.itemId;
+  
+        setChatItem({ feedItemId: nextFeedItemId });
+      }
+    }
+  };
+  
+  const handleArrowDown = (event, activeFeedItemIndex, allFeedItems, isMentionOpen, setChatItem) => {
+    if (!isMentionOpen && !isInputFocused) {
+      event.preventDefault();
+      event.stopPropagation();
+  
+      if (activeFeedItemIndex < allFeedItems.length - 1) {
+        const nextFeedItemId = allFeedItems[activeFeedItemIndex + 1]?.itemId;
+  
+        setChatItem({ feedItemId: nextFeedItemId });
+      }
+    }
+  };
+  
+  // Inside your component
+  useKey(
+    "ArrowUp",
+    (event) => handleArrowUp(event, activeFeedItemIndex, allFeedItems, isMentionOpen, setChatItem),
+    {},
+    [activeFeedItemIndex, allFeedItems, isMentionOpen, isInputFocused]
+  );
+  
+  useKey(
+    "ArrowDown",
+    (event) => handleArrowDown(event, activeFeedItemIndex, allFeedItems, isMentionOpen, setChatItem),
+    {},
+    [activeFeedItemIndex, allFeedItems, isMentionOpen, isInputFocused]
+  );
+
   const chatContextValue = useMemo<ChatContextValue>(
     () => ({
       setChatItem: setActiveChatItem,
@@ -644,6 +691,7 @@ const FeedLayout: ForwardRefRenderFunction<FeedLayoutRef, FeedLayoutProps> = (
   // so we will not have extra re-renders of ALL rendered items
   const feedItemContextValue = useMemo<FeedItemContextValue>(
     () => ({
+      setIsInputFocused,
       setExpandedFeedItemId,
       renderFeedItemBaseContent,
       onFeedItemUpdate,
@@ -656,6 +704,7 @@ const FeedLayout: ForwardRefRenderFunction<FeedLayoutRef, FeedLayoutProps> = (
       onActiveItemDataChange: handleActiveFeedItemDataChange,
     }),
     [
+      setIsInputFocused,
       renderFeedItemBaseContent,
       onFeedItemUpdate,
       onFeedItemUnfollowed,
diff --git a/src/pages/commonFeed/components/FeedLayout/constants/index.ts b/src/pages/commonFeed/components/FeedLayout/constants/index.ts
index 68c376375c..b64b9cd957 100644
--- a/src/pages/commonFeed/components/FeedLayout/constants/index.ts
+++ b/src/pages/commonFeed/components/FeedLayout/constants/index.ts
@@ -1,2 +1,6 @@
 export const BATCHES_AMOUNT_TO_PRELOAD = 2;
 export const ITEMS_AMOUNT_TO_PRE_LOAD_MESSAGES = 10;
+export const MENTION_TAG_ELEMENT = {
+    key: "data-cy",
+    value: "mentions-portal"
+}
diff --git a/src/shared/hooks/index.tsx b/src/shared/hooks/index.tsx
index 7c78ecdd51..5371485a16 100644
--- a/src/shared/hooks/index.tsx
+++ b/src/shared/hooks/index.tsx
@@ -33,3 +33,5 @@ export { default as useImageSizeCheck } from "./useImageSizeCheck";
 export { default as useLightThemeOnly } from "./useLightThemeOnly";
 export * from "./useToggle";
 export * from "./useTraceUpdate";
+export * from "./useElementPresence";
+export * from "./useIsElementFocused";
\ No newline at end of file
diff --git a/src/shared/hooks/useElementPresence.tsx b/src/shared/hooks/useElementPresence.tsx
new file mode 100644
index 0000000000..27eb4f74ce
--- /dev/null
+++ b/src/shared/hooks/useElementPresence.tsx
@@ -0,0 +1,48 @@
+import { useEffect, useState } from "react";
+
+export const useElementPresence = (attribute, value) => {
+  const [elementPresent, setElementPresent] = useState(false);
+
+  useEffect(() => {
+    const observerCallback = (mutationsList) => {
+      mutationsList.forEach((mutation) => {
+        // Check for added nodes
+        mutation.addedNodes.forEach((node) => {
+          if (
+            node.nodeType === 1 && // Ensure it's an element
+            node.getAttribute(attribute) === value
+          ) {
+            setElementPresent(true);
+          }
+        });
+
+        // Check for removed nodes
+        mutation.removedNodes.forEach((node) => {
+          if (
+            node.nodeType === 1 && // Ensure it's an element
+            node.getAttribute(attribute) === value
+          ) {
+            setElementPresent(false);
+          }
+        });
+      });
+    };
+
+    const observer = new MutationObserver(observerCallback);
+
+    // Start observing the entire document
+    observer.observe(document.body, { childList: true, subtree: true });
+
+    // Check initially if the element is already present
+    const initialElement = document.querySelector(`[${attribute}="${value}"]`);
+    if (initialElement) {
+      setElementPresent(true);
+    }
+
+    return () => {
+      observer.disconnect(); // Cleanup observer on unmount
+    };
+  }, [attribute, value]);
+
+  return elementPresent;
+};
\ No newline at end of file
diff --git a/src/shared/hooks/useIsElementFocused.tsx b/src/shared/hooks/useIsElementFocused.tsx
new file mode 100644
index 0000000000..da6dd02e97
--- /dev/null
+++ b/src/shared/hooks/useIsElementFocused.tsx
@@ -0,0 +1,24 @@
+import { useEffect, useState } from "react";
+
+export const useIsElementFocused = (id: string) => {
+  const [isFocused, setIsFocused] = useState(false);
+
+  useEffect(() => {
+    const handleFocusChange = () => {
+      const element = document.getElementById(id);
+      setIsFocused(document.activeElement === element);
+    };
+
+    // Listen to focus changes globally
+    document.addEventListener("focusin", handleFocusChange);
+    document.addEventListener("focusout", handleFocusChange);
+
+    // Cleanup
+    return () => {
+      document.removeEventListener("focusin", handleFocusChange);
+      document.removeEventListener("focusout", handleFocusChange);
+    };
+  }, [id]);
+
+  return isFocused;
+};
\ No newline at end of file
diff --git a/src/shared/ui-kit/TextEditor/utils/countTextEditorEmojiElements.ts b/src/shared/ui-kit/TextEditor/utils/countTextEditorEmojiElements.ts
index f8bdcd9ec8..828decab8a 100644
--- a/src/shared/ui-kit/TextEditor/utils/countTextEditorEmojiElements.ts
+++ b/src/shared/ui-kit/TextEditor/utils/countTextEditorEmojiElements.ts
@@ -14,6 +14,7 @@ export const countTextEditorEmojiElements = (
 
   let hasText = false;
   let emojiCount = 0;
+
   editorValue.forEach((element) => {
     if (
       (element as ParagraphElement)?.type === ElementType.Paragraph &&