fix(i18n,client): add note for deployment issues (#62093)

client/src/pages/learn.tsx

@@ -4,7 +4,7 @@ import Helmet from 'react-helmet';
 import { useTranslation } from 'react-i18next';
 import { connect } from 'react-redux';
 import { createSelector } from 'reselect';
-import { Container, Col, Row, Spacer } from '@freecodecamp/ui';
+import { Container, Col, Row, Spacer, Callout } from '@freecodecamp/ui';
 
 import Intro from '../components/Intro';
 import Map from '../components/Map';
@@ -16,6 +16,8 @@ import {
 } from '../redux/selectors';
 
 import callGA from '../analytics/call-ga';
+import { clientLocale } from '../../config/env.json';
+import createLanguageRedirect from '../components/create-language-redirect';
 
 interface FetchState {
   pending: boolean;
@@ -99,6 +101,33 @@ function LearnPage({
               onLearnDonationAlertClick={onLearnDonationAlertClick}
               isDonating={isDonating}
             />
+            {clientLocale === 'english' ? null : (
+              <>
+                <Spacer size='m' />
+                <Callout variant='info'>
+                  <p className='text-center'>
+                    <strong style={{ color: 'var(--blue-dark)' }}>
+                      Warning: The localized content in this language is not
+                      being updated.
+                    </strong>
+                  </p>
+                  <p>
+                    Your previous progress is being saved, but you should{' '}
+                    <a
+                      href={createLanguageRedirect({
+                        clientLocale,
+                        lang: 'english'
+                      })}
+                    >
+                      visit the English version
+                    </a>{' '}
+                    for up to date content. We recognize this is not ideal and
+                    are working to fix it.
+                  </p>
+                  <p>We appreciate your patience.</p>
+                </Callout>
+              </>
+            )}
             <Map />
             <Spacer size='l' />
           </Col>