diff --git a/frontend/src/component/feature/FeatureView/FeatureOverview/FeatureLifecycle/FeatureLifecycleTooltip.tsx b/frontend/src/component/feature/FeatureView/FeatureOverview/FeatureLifecycle/FeatureLifecycleTooltip.tsx
index 9f262a51cf..46d597c98d 100644
--- a/frontend/src/component/feature/FeatureView/FeatureOverview/FeatureLifecycle/FeatureLifecycleTooltip.tsx
+++ b/frontend/src/component/feature/FeatureView/FeatureOverview/FeatureLifecycle/FeatureLifecycleTooltip.tsx
@@ -105,7 +105,7 @@ const StageBox = styled(Box, {
 const ColorFill = styled(Box)(({ theme }) => ({
     backgroundColor: theme.palette.primary.light,
     color: theme.palette.primary.contrastText,
-    borderRadius: theme.spacing(0, 0, 1, 1), // has to match the parent tooltip container
+    borderRadius: `0 0 ${theme.shape.borderRadiusMedium}px ${theme.shape.borderRadiusMedium}px`, // has to match the parent tooltip container
     margin: theme.spacing(-1, -1.5), // has to match the parent tooltip container
     padding: theme.spacing(2, 3),
 }));
diff --git a/frontend/src/component/layout/MainLayout/NavigationSidebar/NewInUnleash/NewInUnleash.tsx b/frontend/src/component/layout/MainLayout/NavigationSidebar/NewInUnleash/NewInUnleash.tsx
index 754b019ed7..f94cb8c028 100644
--- a/frontend/src/component/layout/MainLayout/NavigationSidebar/NewInUnleash/NewInUnleash.tsx
+++ b/frontend/src/component/layout/MainLayout/NavigationSidebar/NewInUnleash/NewInUnleash.tsx
@@ -12,7 +12,6 @@ import {
     styled,
 } from '@mui/material';
 import Signals from '@mui/icons-material/Sensors';
-import { useNavigate } from 'react-router-dom';
 import type { NavigationMode } from 'component/layout/MainLayout/NavigationSidebar/NavigationMode';
 import { NewInUnleashItem } from './NewInUnleashItem';
 import { usePlausibleTracker } from 'hooks/usePlausibleTracker';
@@ -71,7 +70,9 @@ type NewItem = {
     label: string;
     icon: ReactNode;
     link: string;
+    docsLink: string;
     show: boolean;
+    longDescription: ReactNode;
 };
 
 interface INewInUnleashProps {
@@ -86,7 +87,6 @@ export const NewInUnleash = ({
     onMiniModeClick,
 }: INewInUnleashProps) => {
     const { trackEvent } = usePlausibleTracker();
-    const navigate = useNavigate();
     const [seenItems, setSeenItems] = useLocalStorageState(
         'new-in-unleash-seen:v1',
         new Set(),
@@ -99,7 +99,35 @@ export const NewInUnleash = ({
             label: 'Signals & Actions',
             icon: <StyledSignalsIcon />,
             link: '/integrations/signals',
+            docsLink: 'https://docs.getunleash.io/reference/signals',
             show: isEnterprise() && signalsEnabled,
+            longDescription: (
+                <>
+                    <p>
+                        It allows you to respond to events in your real-time
+                        monitoring system by automating tasks such as disabling
+                        a beta feature in response to an increase in errors or a
+                        drop in conversion rates.
+                    </p>
+
+                    <p>
+                        <ul>
+                            <li>
+                                <b>Signal endpoints</b> are used to send signals
+                                to Unleash. This allows you to integrate Unleash
+                                with any external tool.
+                            </li>
+
+                            <li>
+                                <b>Actions</b>, which are configured inside
+                                projects, allow you to react to those signals
+                                and enable or disable flags based on certain
+                                conditions.
+                            </li>
+                        </ul>
+                    </p>
+                </>
+            ),
         },
     ];
 
@@ -135,31 +163,32 @@ export const NewInUnleash = ({
                 New in Unleash
             </StyledNewInUnleashHeader>
             <StyledNewInUnleashList>
-                {visibleItems.map(({ label, icon, link }) => (
-                    <NewInUnleashItem
-                        key={label}
-                        icon={icon}
-                        onClick={() => {
-                            trackEvent('new-in-unleash-click', {
-                                props: {
-                                    label,
-                                },
-                            });
-                            navigate(link);
-                            onItemClick?.();
-                        }}
-                        onDismiss={() => {
-                            trackEvent('new-in-unleash-dismiss', {
-                                props: {
-                                    label,
-                                },
-                            });
-                            setSeenItems(new Set([...seenItems, label]));
-                        }}
-                    >
-                        {label}
-                    </NewInUnleashItem>
-                ))}
+                {visibleItems.map(
+                    ({ label, icon, link, longDescription, docsLink }) => (
+                        <NewInUnleashItem
+                            onClick={() => {
+                                trackEvent('new-in-unleash-click', {
+                                    props: {
+                                        label,
+                                    },
+                                });
+                            }}
+                            onDismiss={() => {
+                                trackEvent('new-in-unleash-dismiss', {
+                                    props: {
+                                        label,
+                                    },
+                                });
+                                setSeenItems(new Set([...seenItems, label]));
+                            }}
+                            label={label}
+                            icon={icon}
+                            link={link}
+                            longDescription={longDescription}
+                            docsLink={docsLink}
+                        />
+                    ),
+                )}
             </StyledNewInUnleashList>
         </StyledNewInUnleash>
     );
diff --git a/frontend/src/component/layout/MainLayout/NavigationSidebar/NewInUnleash/NewInUnleashItem.tsx b/frontend/src/component/layout/MainLayout/NavigationSidebar/NewInUnleash/NewInUnleashItem.tsx
index 93cc126540..4384ad5e63 100644
--- a/frontend/src/component/layout/MainLayout/NavigationSidebar/NewInUnleash/NewInUnleashItem.tsx
+++ b/frontend/src/component/layout/MainLayout/NavigationSidebar/NewInUnleash/NewInUnleashItem.tsx
@@ -1,12 +1,14 @@
-import type { ReactNode } from 'react';
+import type * as React from 'react';
+import { type ReactNode, useState } from 'react';
 import {
     IconButton,
     ListItem,
     ListItemButton,
-    Tooltip,
     styled,
+    Tooltip,
 } from '@mui/material';
 import Close from '@mui/icons-material/Close';
+import { NewInUnleashTooltip } from './NewInUnleashTooltip';
 
 const StyledItemButton = styled(ListItemButton)(({ theme }) => ({
     justifyContent: 'space-between',
@@ -30,37 +32,74 @@ interface INewInUnleashItemProps {
     icon: ReactNode;
     onClick: () => void;
     onDismiss: () => void;
-    children: ReactNode;
+    label: string;
+    longDescription: ReactNode;
+    link: string;
+    docsLink: string;
 }
 
+const useTooltip = () => {
+    const [open, setOpen] = useState(false);
+
+    const handleTooltipClose = () => {
+        setOpen(false);
+    };
+
+    const handleTooltipOpen = () => {
+        setOpen(true);
+    };
+
+    return { open, handleTooltipOpen, handleTooltipClose };
+};
+
 export const NewInUnleashItem = ({
     icon,
     onClick,
     onDismiss,
-    children,
+    label,
+    longDescription,
+    link,
+    docsLink,
 }: INewInUnleashItemProps) => {
+    const { open, handleTooltipOpen, handleTooltipClose } = useTooltip();
+
     const onDismissClick = (e: React.MouseEvent) => {
         e.stopPropagation();
         onDismiss();
     };
 
     return (
-        <ListItem disablePadding onClick={onClick}>
-            <StyledItemButton>
-                <StyledItemButtonContent>
-                    {icon}
-                    {children}
-                </StyledItemButtonContent>
-                <Tooltip title='Dismiss' arrow>
-                    <StyledItemButtonClose
-                        aria-label='dismiss'
-                        onClick={onDismissClick}
-                        size='small'
-                    >
-                        <Close fontSize='inherit' />
-                    </StyledItemButtonClose>
-                </Tooltip>
-            </StyledItemButton>
+        <ListItem
+            disablePadding
+            onClick={() => {
+                onClick();
+                handleTooltipOpen();
+            }}
+        >
+            <NewInUnleashTooltip
+                open={open}
+                onClose={handleTooltipClose}
+                title={label}
+                longDescription={longDescription}
+                link={link}
+                docsLink={docsLink}
+            >
+                <StyledItemButton>
+                    <StyledItemButtonContent>
+                        {icon}
+                        {label}
+                    </StyledItemButtonContent>
+                    <Tooltip title='Dismiss' arrow>
+                        <StyledItemButtonClose
+                            aria-label='dismiss'
+                            onClick={onDismissClick}
+                            size='small'
+                        >
+                            <Close fontSize='inherit' />
+                        </StyledItemButtonClose>
+                    </Tooltip>
+                </StyledItemButton>
+            </NewInUnleashTooltip>
         </ListItem>
     );
 };
diff --git a/frontend/src/component/layout/MainLayout/NavigationSidebar/NewInUnleash/NewInUnleashTooltip.tsx b/frontend/src/component/layout/MainLayout/NavigationSidebar/NewInUnleash/NewInUnleashTooltip.tsx
new file mode 100644
index 0000000000..1a07f6145f
--- /dev/null
+++ b/frontend/src/component/layout/MainLayout/NavigationSidebar/NewInUnleash/NewInUnleashTooltip.tsx
@@ -0,0 +1,129 @@
+import type * as React from 'react';
+import type { FC, ReactNode } from 'react';
+import { HtmlTooltip } from 'component/common/HtmlTooltip/HtmlTooltip';
+import {
+    Box,
+    Button,
+    Link,
+    styled,
+    Typography,
+    ClickAwayListener,
+} from '@mui/material';
+import { type Link as RouterLink, useNavigate } from 'react-router-dom';
+import OpenInNew from '@mui/icons-material/OpenInNew';
+import { ReactComponent as UnleashLogo } from 'assets/img/logoWithWhiteText.svg';
+
+const Header = styled(Box)(({ theme }) => ({
+    backgroundColor: theme.palette.primary.light,
+    color: theme.palette.primary.contrastText,
+    borderRadius: `${theme.shape.borderRadiusMedium}px ${theme.shape.borderRadiusMedium}px 0 0`, // has to match the parent tooltip container
+    margin: theme.spacing(-1, -1.5), // has to match the parent tooltip container
+    padding: theme.spacing(2, 3),
+    display: 'flex',
+    justifyContent: 'center',
+    alignItems: 'center',
+    minHeight: '120px',
+}));
+
+const Body = styled(Box)(({ theme }) => ({
+    padding: theme.spacing(2),
+}));
+
+const StyledLink = styled(Link<typeof RouterLink | 'a'>)(({ theme }) => ({
+    display: 'flex',
+    alignItems: 'center',
+    gap: theme.spacing(1),
+    padding: 0,
+    color: theme.palette.links,
+    fontWeight: theme.fontWeight.medium,
+    '&:hover, &:focus': {
+        textDecoration: 'underline',
+    },
+}));
+
+const StyledOpenInNew = styled(OpenInNew)(({ theme }) => ({
+    fontSize: theme.spacing(2.25),
+}));
+
+const StyledUnleashLogo = styled(UnleashLogo)({ width: '150px' });
+
+const LongDescription = styled(Box)(({ theme }) => ({
+    ul: {
+        paddingLeft: theme.spacing(2),
+    },
+}));
+
+const Title = styled(Typography)(({ theme }) => ({
+    margin: theme.spacing(2, 0),
+}));
+
+const ReadMore = styled(Box)(({ theme }) => ({
+    margin: theme.spacing(3, 0),
+}));
+
+export const NewInUnleashTooltip: FC<{
+    children: React.ReactElement<any, any>;
+    title: string;
+    longDescription: ReactNode;
+    docsLink: string;
+    link: string;
+    open: boolean;
+    onClose: () => void;
+}> = ({ children, title, longDescription, link, docsLink, open, onClose }) => {
+    const navigate = useNavigate();
+
+    return (
+        <HtmlTooltip
+            disableFocusListener
+            disableHoverListener
+            disableTouchListener
+            onClose={onClose}
+            open={open}
+            maxHeight={800}
+            maxWidth={350}
+            arrow
+            tabIndex={0}
+            placement='right-end'
+            title={
+                <ClickAwayListener onClickAway={onClose}>
+                    <Box>
+                        <Header>
+                            <StyledUnleashLogo />
+                        </Header>
+                        <Body>
+                            <Title>{title}</Title>
+                            <LongDescription>{longDescription}</LongDescription>
+                            <ReadMore>
+                                <StyledLink
+                                    component='a'
+                                    href={docsLink}
+                                    underline='hover'
+                                    rel='noopener noreferrer'
+                                    target='_blank'
+                                >
+                                    <StyledOpenInNew /> Read more in our
+                                    documentation
+                                </StyledLink>
+                            </ReadMore>
+                            <Button
+                                variant='contained'
+                                color='primary'
+                                type='submit'
+                                size='small'
+                                onClick={(event) => {
+                                    event.stopPropagation();
+                                    onClose();
+                                    navigate(link);
+                                }}
+                            >
+                                Check it out
+                            </Button>
+                        </Body>
+                    </Box>
+                </ClickAwayListener>
+            }
+        >
+            {children}
+        </HtmlTooltip>
+    );
+};