diff --git a/src/contentScripts/communityConsole/autoRefresh.js b/src/contentScripts/communityConsole/autoRefresh.js
new file mode 100644
index 0000000..c39970f
--- /dev/null
+++ b/src/contentScripts/communityConsole/autoRefresh.js
@@ -0,0 +1,250 @@
+import {createExtBadge} from './utils.js';
+import {getAuthUser} from '../../common/communityConsoleUtils.js';
+
+var authuser = getAuthUser();
+
+export var autoRefresh = {
+  isLookingForUpdates: false,
+  isUpdatePromptShown: false,
+  lastTimestamp: null,
+  filter: null,
+  path: null,
+  snackbar: null,
+  interval: null,
+  firstCallTimeout: null,
+  intervalMs: 3 * 60 * 1000,   // 3 minutes
+  firstCallDelayMs: 3 * 1000,  // 3 seconds
+  getStartupData() {
+    return JSON.parse(
+        document.querySelector('html').getAttribute('data-startup'));
+  },
+  isOrderedByTimestampDescending() {
+    var startup = this.getStartupData();
+    // Returns orderOptions.by == TIMESTAMP && orderOptions.desc == true
+    return (
+        startup?.[1]?.[1]?.[3]?.[14]?.[1] == 1 &&
+        startup?.[1]?.[1]?.[3]?.[14]?.[2] == true);
+  },
+  getCustomFilter(path) {
+    var searchRegex = /^\/s\/community\/search\/([^\/]*)/;
+    var matches = path.match(searchRegex);
+    if (matches !== null && matches.length > 1) {
+      var search = decodeURIComponent(matches[1]);
+      var params = new URLSearchParams(search);
+      return params.get('query') || '';
+    }
+
+    return '';
+  },
+  filterHasOverride(filter, override) {
+    var escapedOverride = override.replace(/([^\w\d\s])/gi, '\\$1');
+    var regex = new RegExp('[^a-zA-Z0-9]?' + escapedOverride + ':');
+    return regex.test(filter);
+  },
+  getFilter(path) {
+    var query = this.getCustomFilter(path);
+
+    // Note: This logic has been copied and adapted from the
+    // _buildQuery$1$threadId function in the Community Console
+    var conditions = '';
+    var startup = this.getStartupData();
+
+    // TODO(avm99963): if the selected forums are changed without reloading the
+    // page, this will get the old selected forums. Fix this.
+    var forums = startup?.[1]?.[1]?.[3]?.[8] ?? [];
+    if (!this.filterHasOverride(query, 'forum') && forums !== null &&
+        forums.length > 0)
+      conditions += ' forum:(' + forums.join(' | ') + ')';
+
+    var langs = startup?.[1]?.[1]?.[3]?.[5] ?? [];
+    if (!this.filterHasOverride(query, 'lang') && langs !== null &&
+        langs.length > 0)
+      conditions += ' lang:(' + langs.map(l => '"' + l + '"').join(' | ') + ')';
+
+    if (query.length !== 0 && conditions.length !== 0)
+      return '(' + query + ')' + conditions;
+    return query + conditions;
+  },
+  getLastTimestamp() {
+    var APIRequestUrl = 'https://support.google.com/s/community/api/ViewForum' +
+        (authuser == '0' ? '' : '?authuser=' + encodeURIComponent(authuser));
+
+    return fetch(APIRequestUrl, {
+             'headers': {
+               'content-type': 'text/plain; charset=utf-8',
+             },
+             'body': JSON.stringify({
+               1: '0',  // TODO: Change, when only a forum is selected, it
+                        // should be set here
+               2: {
+                 1: {
+                   2: 2,
+                 },
+                 2: {
+                   1: 1,
+                   2: true,
+                 },
+                 12: this.filter,
+               },
+             }),
+             'method': 'POST',
+             'mode': 'cors',
+             'credentials': 'include',
+           })
+        .then(res => {
+          if (res.status == 200 || res.status == 400) {
+            return res.json().then(data => ({
+                                     status: res.status,
+                                     body: data,
+                                   }));
+          } else {
+            throw new Error('Status code ' + res.status + ' was not expected.');
+          }
+        })
+        .then(res => {
+          if (res.status == 400) {
+            throw new Error(
+                res.body[4] ||
+                ('Response status: 400. Error code: ' + res.body[2]));
+          }
+
+          return res.body;
+        })
+        .then(body => {
+          var timestamp = body?.[1]?.[2]?.[0]?.[2]?.[17];
+          if (timestamp === undefined)
+            throw new Error(
+                'Unexpected body of response (' +
+                (body?.[1]?.[2]?.[0] === undefined ?
+                     'no threads were returned' :
+                     'the timestamp value is not present in the first thread') +
+                ').');
+
+          return timestamp;
+        });
+    // TODO(avm99963): Add retry mechanism (sometimes thread lists are empty,
+    // but when loading the next page the thread appears).
+    //
+    // NOTE(avm99963): It seems like loading the first 2 threads instead of only
+    // the first one fixes this (empty lists are now rarely returned).
+  },
+  unregister() {
+    console.debug('autorefresh_list: unregistering');
+
+    if (!this.isLookingForUpdates) return;
+
+    window.clearTimeout(this.firstCallTimeout);
+    window.clearInterval(this.interval);
+    this.isUpdatePromptShown = false;
+    this.isLookingForUpdates = false;
+  },
+  showUpdatePrompt() {
+    this.snackbar.classList.remove('TWPT-hidden');
+    document.title = '[!!!] ' + document.title.replace('[!!!] ', '');
+    this.isUpdatePromptShown = true;
+  },
+  hideUpdatePrompt() {
+    this.snackbar.classList.add('TWPT-hidden');
+    document.title = document.title.replace('[!!!] ', '');
+    this.isUpdatePromptShown = false;
+  },
+  injectUpdatePrompt() {
+    var pane = document.createElement('div');
+    pane.classList.add('TWPT-pane-for-snackbar');
+
+    var snackbar = document.createElement('material-snackbar-panel');
+    snackbar.classList.add('TWPT-snackbar');
+    snackbar.classList.add('TWPT-hidden');
+
+    var ac = document.createElement('div');
+    ac.classList.add('TWPT-animation-container');
+
+    var nb = document.createElement('div');
+    nb.classList.add('TWPT-notification-bar');
+
+    var ft = document.createElement('focus-trap');
+
+    var content = document.createElement('div');
+    content.classList.add('TWPT-focus-content-wrapper');
+
+    var badge = createExtBadge();
+
+    var message = document.createElement('div');
+    message.classList.add('TWPT-message');
+    message.textContent =
+        chrome.i18n.getMessage('inject_autorefresh_list_snackbar_message');
+
+    var action = document.createElement('div');
+    action.classList.add('TWPT-action');
+    action.textContent =
+        chrome.i18n.getMessage('inject_autorefresh_list_snackbar_action');
+
+    action.addEventListener('click', e => {
+      this.hideUpdatePrompt();
+      document.querySelector('.app-title-button').click();
+    });
+
+    content.append(badge, message, action);
+    ft.append(content);
+    nb.append(ft);
+    ac.append(nb);
+    snackbar.append(ac);
+    pane.append(snackbar);
+    document.getElementById('default-acx-overlay-container').append(pane);
+    this.snackbar = snackbar;
+  },
+  checkUpdate() {
+    if (location.pathname != this.path) {
+      this.unregister();
+      return;
+    }
+
+    if (this.isUpdatePromptShown) return;
+
+    console.debug('Checking for update at: ', new Date());
+
+    this.getLastTimestamp()
+        .then(timestamp => {
+          if (timestamp != this.lastTimestamp) this.showUpdatePrompt();
+        })
+        .catch(
+            err => console.error(
+                'Coudln\'t get last timestamp (while updating): ', err));
+  },
+  firstCall() {
+    console.debug(
+        'autorefresh_list: now performing first call to finish setup (filter: [' +
+        this.filter + '])');
+
+    if (location.pathname != this.path) {
+      this.unregister();
+      return;
+    }
+
+    this.getLastTimestamp()
+        .then(timestamp => {
+          this.lastTimestamp = timestamp;
+          var checkUpdateCallback = this.checkUpdate.bind(this);
+          this.interval =
+              window.setInterval(checkUpdateCallback, this.intervalMs);
+        })
+        .catch(
+            err => console.error(
+                'Couldn\'t get last timestamp (while setting up): ', err));
+  },
+  setUp() {
+    if (!this.isOrderedByTimestampDescending()) return;
+
+    this.unregister();
+
+    console.debug('autorefresh_list: starting set up...');
+
+    if (this.snackbar === null) this.injectUpdatePrompt();
+    this.isLookingForUpdates = true;
+    this.path = location.pathname;
+    this.filter = this.getFilter(this.path);
+
+    var firstCall = this.firstCall.bind(this);
+    this.firstCallTimeout = window.setTimeout(firstCall, this.firstCallDelayMs);
+  },
+};
diff --git a/src/contentScripts/communityConsole/avatars.js b/src/contentScripts/communityConsole/avatars.js
new file mode 100644
index 0000000..253fe8f
--- /dev/null
+++ b/src/contentScripts/communityConsole/avatars.js
@@ -0,0 +1,178 @@
+import {CCApi} from '../../common/api.js';
+import {parseUrl} from '../../common/commonUtils.js';
+
+export var avatars = {
+  isFilterSetUp: false,
+  privateForums: [],
+
+  // Gets a list of private forums. If it is already cached, the cached list is
+  // returned; otherwise it is also computed and cached.
+  getPrivateForums() {
+    return new Promise((resolve, reject) => {
+      if (this.isFilterSetUp) return resolve(this.privateForums);
+
+      if (!document.documentElement.hasAttribute('data-startup'))
+        return reject('[threadListAvatars] Couldn\'t get startup data.');
+
+      var startupData =
+          JSON.parse(document.documentElement.getAttribute('data-startup'));
+      var forums = startupData?.['1']?.['2'];
+      if (forums === undefined)
+        return reject(
+            '[threadListAvatars] Couldn\'t retrieve forums from startup data.');
+
+      for (var f of forums) {
+        var forumId = f?.['2']?.['1']?.['1'];
+        var forumVisibility = f?.['2']?.['18'];
+        if (forumId === undefined || forumVisibility === undefined) {
+          console.warn(
+              '[threadListAvatars] Coudln\'t retrieve forum id and/or forum visibility for the following forum:',
+              f);
+          continue;
+        }
+
+        // forumVisibility's value 1 means "PUBLIC".
+        if (forumVisibility != 1) this.privateForums.push(forumId);
+      }
+
+      // Forum 51488989 is marked as public but it is in fact private.
+      this.privateForums.push('51488989');
+
+      this.isFilterSetUp = true;
+      return resolve(this.privateForums);
+    });
+  },
+
+  // Some threads belong to private forums, and this feature will not be able to
+  // get its avatars since it makes an anonymomus call to get the contents of
+  // the thread.
+  //
+  // This function returns whether avatars should be retrieved depending on if
+  // the thread belongs to a known private forum.
+  shouldRetrieveAvatars(thread) {
+    return this.getPrivateForums().then(privateForums => {
+      return !privateForums.includes(thread.forum);
+    });
+  },
+
+  // Get an object with the author of the thread and an array of the first |num|
+  // replies from the thread |thread|.
+  getFirstMessages(thread, num = 15) {
+    return CCApi(
+               'ViewThread', {
+                 1: thread.forum,
+                 2: thread.thread,
+                 // options
+                 3: {
+                   // pagination
+                   1: {
+                     2: num,  // maxNum
+                   },
+                   3: true,    // withMessages
+                   5: true,    // withUserProfile
+                   10: false,  // withPromotedMessages
+                   16: false,  // withThreadNotes
+                   18: true,   // sendNewThreadIfMoved
+                 }
+               },
+               // |authentication| is false because otherwise this would mark
+               // the thread as read as a side effect, and that would mark all
+               // threads in the list as read.
+               //
+               // Due to the fact that we have to call this endpoint
+               // anonymously, this means we can't retrieve information about
+               // threads in private forums.
+               /* authentication = */ false)
+        .then(data => {
+          var numMessages = data?.['1']?.['8'];
+          if (numMessages === undefined)
+            throw new Error(
+                'Request to view thread doesn\'t include the number of messages');
+
+          var messages = numMessages == 0 ? [] : data?.['1']['3'];
+          if (messages === undefined)
+            throw new Error(
+                'numMessages was ' + numMessages +
+                ' but the response didn\'t include any message.');
+
+          var author = data?.['1']?.['4'];
+          if (author === undefined)
+            throw new Error(
+                'Author isn\'t included in the ViewThread response.');
+
+          return {
+            messages,
+            author,
+          };
+        });
+  },
+
+  // Get a list of at most |num| avatars for thread |thread|
+  getVisibleAvatars(thread, num = 3) {
+    return this.shouldRetrieveAvatars(thread).then(shouldRetrieve => {
+      if (!shouldRetrieve) {
+        console.debug('[threadListAvatars] Skipping thread', thread);
+        return [];
+      }
+
+      return this.getFirstMessages(thread).then(result => {
+        var messages = result.messages;
+        var author = result.author;
+
+        var avatarUrls = [];
+
+        var authorUrl = author?.['1']?.['2'];
+        if (authorUrl !== undefined) avatarUrls.push(authorUrl);
+
+        for (var m of messages) {
+          var url = m?.['3']?.['1']?.['2'];
+
+          if (url === undefined) continue;
+          if (!avatarUrls.includes(url)) avatarUrls.push(url);
+          if (avatarUrls.length == 3) break;
+        }
+
+        return avatarUrls;
+      });
+    });
+  },
+
+  // Inject avatars for thread summary (thread item) |node| in a thread list.
+  inject(node) {
+    var header = node.querySelector(
+        'ec-thread-summary .main-header .panel-description a.header');
+    if (header === null) {
+      console.error(
+          '[threadListAvatars] Header is not present in the thread item\'s DOM.');
+      return;
+    }
+
+    var thread = parseUrl(header.href);
+    if (thread === false) {
+      console.error('[threadListAvatars] Thread\'s link cannot be parsed.');
+      return;
+    }
+
+    this.getVisibleAvatars(thread)
+        .then(avatarUrls => {
+          var avatarsContainer = document.createElement('div');
+          avatarsContainer.classList.add('TWPT-avatars');
+
+          var count = Math.floor(Math.random() * 4);
+
+          for (var i = 0; i < avatarUrls.length; ++i) {
+            var avatar = document.createElement('div');
+            avatar.classList.add('TWPT-avatar');
+            avatar.style.backgroundImage = 'url(\'' + avatarUrls[i] + '\')';
+            avatarsContainer.appendChild(avatar);
+          }
+
+          header.appendChild(avatarsContainer);
+        })
+        .catch(err => {
+          console.error(
+              '[threadListAvatars] Could not retrieve avatars for thread',
+              thread, err);
+        });
+  },
+};
diff --git a/src/contentScripts/communityConsole/batchLock.js b/src/contentScripts/communityConsole/batchLock.js
new file mode 100644
index 0000000..5bc0361
--- /dev/null
+++ b/src/contentScripts/communityConsole/batchLock.js
@@ -0,0 +1,133 @@
+import {removeChildNodes, createExtBadge} from './utils.js';
+
+export function nodeIsReadToggleBtn(node) {
+  return ('tagName' in node) && node.tagName == 'MATERIAL-BUTTON' &&
+      node.getAttribute('debugid') !== null &&
+      (node.getAttribute('debugid') == 'mark-read-button' ||
+       node.getAttribute('debugid') == 'mark-unread-button') &&
+      ('parentNode' in node) && node.parentNode !== null &&
+      ('parentNode' in node.parentNode) &&
+      node.parentNode.querySelector('[debugid="batchlock"]') === null &&
+      node.parentNode.parentNode !== null &&
+      ('tagName' in node.parentNode.parentNode) &&
+      node.parentNode.parentNode.tagName == 'EC-BULK-ACTIONS';
+}
+
+export function addBatchLockBtn(readToggle) {
+  var clone = readToggle.cloneNode(true);
+  clone.setAttribute('debugid', 'batchlock');
+  clone.classList.add('TWPT-btn--with-badge');
+  clone.setAttribute('title', chrome.i18n.getMessage('inject_lockbtn'));
+  clone.querySelector('material-icon').setAttribute('icon', 'lock');
+  clone.querySelector('i.material-icon-i').textContent = 'lock';
+
+  var badge = createExtBadge();
+  clone.append(badge);
+
+  clone.addEventListener('click', function() {
+    var modal = document.querySelector('.pane[pane-id="default-1"]');
+
+    var dialog = document.createElement('material-dialog');
+    dialog.setAttribute('role', 'dialog');
+    dialog.setAttribute('aria-modal', 'true');
+    dialog.classList.add('TWPT-dialog');
+
+    var header = document.createElement('header');
+    header.setAttribute('role', 'presentation');
+    header.classList.add('TWPT-dialog-header');
+
+    var title = document.createElement('div');
+    title.classList.add('TWPT-dialog-header--title', 'title');
+    title.textContent = chrome.i18n.getMessage('inject_lockbtn');
+
+    header.append(title);
+
+    var main = document.createElement('main');
+    main.setAttribute('role', 'presentation');
+    main.classList.add('TWPT-dialog-main');
+
+    var p = document.createElement('p');
+    p.textContent = chrome.i18n.getMessage('inject_lockdialog_desc');
+
+    main.append(p);
+
+    dialog.append(header, main);
+
+    var footers = [['lock', 'unlock', 'cancel'], ['reload', 'close']];
+
+    for (var i = 0; i < footers.length; ++i) {
+      var footer = document.createElement('footer');
+      footer.setAttribute('role', 'presentation');
+      footer.classList.add('TWPT-dialog-footer');
+      footer.setAttribute('data-footer-id', i);
+
+      if (i > 0) footer.classList.add('is-hidden');
+
+      footers[i].forEach(action => {
+        var btn = document.createElement('material-button');
+        btn.setAttribute('role', 'button');
+        btn.classList.add('TWPT-dialog-footer-btn');
+        if (i == 1) btn.classList.add('is-disabled');
+
+        switch (action) {
+          case 'lock':
+          case 'unlock':
+            btn.addEventListener('click', _ => {
+              if (btn.classList.contains('is-disabled')) return;
+              var message = {
+                action,
+                prefix: 'TWPT-batchlock',
+              };
+              window.postMessage(message, '*');
+            });
+            break;
+
+          case 'cancel':
+          case 'close':
+            btn.addEventListener('click', _ => {
+              if (btn.classList.contains('is-disabled')) return;
+              modal.classList.remove('visible');
+              modal.style.display = 'none';
+              removeChildNodes(modal);
+            });
+            break;
+
+          case 'reload':
+            btn.addEventListener('click', _ => {
+              if (btn.classList.contains('is-disabled')) return;
+              window.location.reload()
+            });
+            break;
+        }
+
+        var content = document.createElement('div');
+        content.classList.add('content', 'TWPT-dialog-footer-btn--content');
+        content.textContent =
+            chrome.i18n.getMessage('inject_lockdialog_btn_' + action);
+
+        btn.append(content);
+        footer.append(btn);
+      });
+
+      var clear = document.createElement('div');
+      clear.style.clear = 'both';
+
+      footer.append(clear);
+      dialog.append(footer);
+    }
+
+    removeChildNodes(modal);
+    modal.append(dialog);
+    modal.classList.add('visible', 'modal');
+    modal.style.display = 'flex';
+  });
+
+  var duplicateBtn =
+      readToggle.parentNode.querySelector('[debugid="mark-duplicate-button"]');
+  if (duplicateBtn)
+    duplicateBtn.parentNode.insertBefore(
+        clone, (duplicateBtn.nextSibling || duplicateBtn));
+  else
+    readToggle.parentNode.insertBefore(
+        clone, (readToggle.nextSibling || readToggle));
+}
diff --git a/src/contentScripts/communityConsole/darkMode.js b/src/contentScripts/communityConsole/darkMode.js
new file mode 100644
index 0000000..d10a77c
--- /dev/null
+++ b/src/contentScripts/communityConsole/darkMode.js
@@ -0,0 +1,49 @@
+import {createExtBadge} from './utils.js';
+
+export function injectDarkModeButton(rightControl, previousDarkModeOption) {
+  var darkThemeSwitch = document.createElement('material-button');
+  darkThemeSwitch.classList.add('TWPT-dark-theme', 'TWPT-btn--with-badge');
+  darkThemeSwitch.setAttribute('button', '');
+  darkThemeSwitch.setAttribute(
+      'title', chrome.i18n.getMessage('inject_ccdarktheme_helper'));
+
+  darkThemeSwitch.addEventListener('click', e => {
+    chrome.storage.sync.get(null, currentOptions => {
+      currentOptions.ccdarktheme_switch_status = !previousDarkModeOption;
+      chrome.storage.sync.set(currentOptions, _ => {
+        location.reload();
+      });
+    });
+  });
+
+  var switchContent = document.createElement('div');
+  switchContent.classList.add('content');
+
+  var icon = document.createElement('material-icon');
+
+  var i = document.createElement('i');
+  i.classList.add('material-icon-i', 'material-icons-extended');
+  i.textContent = 'brightness_4';
+
+  icon.appendChild(i);
+  switchContent.appendChild(icon);
+  darkThemeSwitch.appendChild(switchContent);
+
+  var badgeContent = createExtBadge();
+
+  darkThemeSwitch.appendChild(badgeContent);
+
+  rightControl.style.width =
+      (parseInt(window.getComputedStyle(rightControl).width) + 58) + 'px';
+  rightControl.insertAdjacentElement('afterbegin', darkThemeSwitch);
+}
+
+export function isDarkThemeOn(options) {
+  if (!options.ccdarktheme) return false;
+
+  if (options.ccdarktheme_mode == 'switch')
+    return options.ccdarktheme_switch_status;
+
+  return window.matchMedia &&
+      window.matchMedia('(prefers-color-scheme: dark)').matches;
+}
diff --git a/src/contentScripts/communityConsole/dragAndDropFix.js b/src/contentScripts/communityConsole/dragAndDropFix.js
new file mode 100644
index 0000000..1f293f6
--- /dev/null
+++ b/src/contentScripts/communityConsole/dragAndDropFix.js
@@ -0,0 +1,9 @@
+export function applyDragAndDropFix(node) {
+  console.debug('Adding link drag&drop fix to ', node);
+  node.addEventListener('drop', e => {
+    if (e.dataTransfer.types.includes('text/uri-list')) {
+      e.stopImmediatePropagation();
+      console.debug('Stopping link drop event propagation.');
+    }
+  }, true);
+}
diff --git a/src/contentScripts/communityConsole/forceMarkAsRead.js b/src/contentScripts/communityConsole/forceMarkAsRead.js
new file mode 100644
index 0000000..c573788
--- /dev/null
+++ b/src/contentScripts/communityConsole/forceMarkAsRead.js
@@ -0,0 +1,81 @@
+import {CCApi} from '../../common/api.js';
+import {getAuthUser} from '../../common/communityConsoleUtils.js';
+
+var authuser = getAuthUser();
+
+// Send a request to mark the current thread as read
+export function markCurrentThreadAsRead() {
+  console.debug(
+      '[forceMarkAsRead] %cTrying to mark a thread as read.',
+      'color: #1a73e8;');
+
+  var threadRegex =
+      /\/s\/community\/?.*\/forum\/([0-9]+)\/?.*\/thread\/([0-9]+)/;
+
+  var url = location.href;
+  var matches = url.match(threadRegex);
+  if (matches !== null && matches.length > 2) {
+    var forumId = matches[1];
+    var threadId = matches[2];
+
+    console.debug('[forceMarkAsRead] Thread details:', {forumId, threadId});
+
+    return CCApi(
+               'ViewThread', {
+                 1: forumId,
+                 2: threadId,
+                 // options
+                 3: {
+                   // pagination
+                   1: {
+                     2: 0,  // maxNum
+                   },
+                   3: false,   // withMessages
+                   5: false,   // withUserProfile
+                   6: true,    // withUserReadState
+                   9: false,   // withRequestorProfile
+                   10: false,  // withPromotedMessages
+                   11: false,  // withExpertResponder
+                 },
+               },
+               true, authuser)
+        .then(thread => {
+          if (thread?.[1]?.[6] === true) {
+            console.debug(
+                '[forceMarkAsRead] This thread is already marked as read, but marking it as read anyways.');
+          }
+
+          var lastMessageId = thread?.[1]?.[2]?.[10];
+
+          console.debug('[forceMarkAsRead] lastMessageId is:', lastMessageId);
+
+          if (lastMessageId === undefined)
+            throw new Error(
+                'Couldn\'t find lastMessageId in the ViewThread response.');
+
+          return CCApi(
+              'SetUserReadStateBulk', {
+                1: [{
+                  1: forumId,
+                  2: threadId,
+                  3: lastMessageId,
+                }],
+              },
+              true, authuser);
+        })
+        .then(_ => {
+          console.debug(
+              '[forceMarkAsRead] %cSuccessfully set as read!',
+              'color: #1e8e3e;');
+        })
+        .catch(err => {
+          console.error(
+              '[forceMarkAsRead] Error while marking current thread as read: ',
+              err);
+        });
+  } else {
+    console.error(
+        '[forceMarkAsRead] Couldn\'t retrieve forumId and threadId from the current URL.',
+        url);
+  }
+}
diff --git a/src/contentScripts/communityConsole/main.js b/src/contentScripts/communityConsole/main.js
new file mode 100644
index 0000000..dd11851
--- /dev/null
+++ b/src/contentScripts/communityConsole/main.js
@@ -0,0 +1,235 @@
+import {injectScript, injectStyles, injectStylesheet} from '../../common/contentScriptsUtils.js';
+
+import {autoRefresh} from './autoRefresh.js';
+import {avatars} from './avatars.js';
+import {addBatchLockBtn, nodeIsReadToggleBtn} from './batchLock.js';
+import {injectDarkModeButton, isDarkThemeOn} from './darkMode.js';
+import {applyDragAndDropFix} from './dragAndDropFix.js';
+import {markCurrentThreadAsRead} from './forceMarkAsRead.js';
+import {injectPreviousPostsLinks} from './profileHistoryLink.js';
+import {unifiedProfilesFix} from './unifiedProfiles.js';
+
+var mutationObserver, intersectionObserver, intersectionOptions, options;
+
+const watchedNodesSelectors = [
+  // App container (used to set up the intersection observer and inject the dark
+  // mode button)
+  'ec-app',
+
+  // Load more bar (for the "load more"/"load all" buttons)
+  '.load-more-bar',
+
+  // Username span/editor inside ec-user (user profile view)
+  'ec-user .main-card .header > .name > span',
+  'ec-user .main-card .header > .name > ec-display-name-editor',
+
+  // Rich text editor
+  'ec-movable-dialog',
+  'ec-rich-text-editor',
+
+  // Read/unread bulk action in the list of thread, for the batch lock feature
+  'ec-bulk-actions material-button[debugid="mark-read-button"]',
+  'ec-bulk-actions material-button[debugid="mark-unread-button"]',
+
+  // Thread list items (used to inject the avatars)
+  'li',
+
+  // Thread list (used for the autorefresh feature)
+  'ec-thread-list',
+
+  // Unified profile iframe
+  'iframe',
+
+  // Thread component
+  'ec-thread',
+];
+
+function handleCandidateNode(node) {
+  if (typeof node.classList !== 'undefined') {
+    if (('tagName' in node) && node.tagName == 'EC-APP') {
+      // Set up the intersectionObserver
+      if (typeof intersectionObserver === 'undefined') {
+        var scrollableContent = node.querySelector('.scrollable-content');
+        if (scrollableContent !== null) {
+          intersectionOptions = {
+            root: scrollableContent,
+            rootMargin: '0px',
+            threshold: 1.0,
+          };
+
+          intersectionObserver = new IntersectionObserver(
+              intersectionCallback, intersectionOptions);
+        }
+      }
+
+      // Inject the dark mode button
+      if (options.ccdarktheme && options.ccdarktheme_mode == 'switch') {
+        var rightControl = node.querySelector('header .right-control');
+        if (rightControl !== null)
+          injectDarkModeButton(rightControl, options.ccdarktheme_switch_status);
+      }
+    }
+
+    // Start the intersectionObserver for the "load more"/"load all" buttons
+    // inside a thread
+    if ((options.thread || options.threadall) &&
+        node.classList.contains('load-more-bar')) {
+      if (typeof intersectionObserver !== 'undefined') {
+        if (options.thread)
+          intersectionObserver.observe(node.querySelector('.load-more-button'));
+        if (options.threadall)
+          intersectionObserver.observe(node.querySelector('.load-all-button'));
+      } else {
+        console.warn(
+            '[infinitescroll] ' +
+            'The intersectionObserver is not ready yet.');
+      }
+    }
+
+    // Show the "previous posts" links
+    //   Here we're selecting the 'ec-user > div' element (unique child)
+    if (options.history &&
+        (node.matches('ec-user .main-card .header > .name > span') ||
+         node.matches(
+             'ec-user .main-card .header > .name > ec-display-name-editor'))) {
+      injectPreviousPostsLinks(node);
+    }
+
+    // Fix the drag&drop issue with the rich text editor
+    //
+    //   We target both tags because in different contexts different
+    //   elements containing the text editor get added to the DOM structure.
+    //   Sometimes it's a EC-MOVABLE-DIALOG which already contains the
+    //   EC-RICH-TEXT-EDITOR, and sometimes it's the EC-RICH-TEXT-EDITOR
+    //   directly.
+    if (options.ccdragndropfix && ('tagName' in node) &&
+        (node.tagName == 'EC-MOVABLE-DIALOG' ||
+         node.tagName == 'EC-RICH-TEXT-EDITOR')) {
+      applyDragAndDropFix(node);
+    }
+
+    // Inject the batch lock button in the thread list
+    if (options.batchlock && nodeIsReadToggleBtn(node)) {
+      addBatchLockBtn(node);
+    }
+
+    // Inject avatar links to threads in the thread list
+    if (options.threadlistavatars && ('tagName' in node) &&
+        (node.tagName == 'LI') &&
+        node.querySelector('ec-thread-summary') !== null) {
+      avatars.inject(node);
+    }
+
+    // Set up the autorefresh list feature
+    if (options.autorefreshlist && ('tagName' in node) &&
+        node.tagName == 'EC-THREAD-LIST') {
+      autoRefresh.setUp();
+    }
+
+    // Redirect unified profile iframe to dark version if applicable
+    if (node.tagName == 'IFRAME' && isDarkThemeOn(options) &&
+        unifiedProfilesFix.checkIframe(node)) {
+      unifiedProfilesFix.fixIframe(node);
+    }
+
+    // Force mark thread as read
+    if (options.forcemarkasread && node.tagName == 'EC-THREAD') {
+      markCurrentThreadAsRead();
+    }
+  }
+}
+
+function handleRemovedNode(node) {
+  // Remove snackbar when exiting thread list view
+  if (options.autorefreshlist && 'tagName' in node &&
+      node.tagName == 'EC-THREAD-LIST') {
+    autoRefresh.hideUpdatePrompt();
+  }
+}
+
+function mutationCallback(mutationList, observer) {
+  mutationList.forEach((mutation) => {
+    if (mutation.type == 'childList') {
+      mutation.addedNodes.forEach(function(node) {
+        handleCandidateNode(node);
+      });
+
+      mutation.removedNodes.forEach(function(node) {
+        handleRemovedNode(node);
+      });
+    }
+  });
+}
+
+function intersectionCallback(entries, observer) {
+  entries.forEach(entry => {
+    if (entry.isIntersecting) {
+      entry.target.click();
+    }
+  });
+};
+
+var observerOptions = {
+  childList: true,
+  subtree: true,
+};
+
+chrome.storage.sync.get(null, function(items) {
+  options = items;
+
+  // Before starting the mutation Observer, check whether we missed any
+  // mutations by manually checking whether some watched nodes already
+  // exist.
+  var cssSelectors = watchedNodesSelectors.join(',');
+  document.querySelectorAll(cssSelectors)
+      .forEach(node => handleCandidateNode(node));
+
+  mutationObserver = new MutationObserver(mutationCallback);
+  mutationObserver.observe(document.body, observerOptions);
+
+  if (options.fixedtoolbar) {
+    injectStyles(
+        'ec-bulk-actions{position: sticky; top: 0; background: var(--TWPT-primary-background, #fff); z-index: 96;}');
+  }
+
+  if (options.increasecontrast) {
+    injectStyles(
+        '.thread-summary.read:not(.checked){background: var(--TWPT-thread-read-background, #ecedee)!important;}');
+  }
+
+  if (options.stickysidebarheaders) {
+    injectStyles(
+        'material-drawer .main-header{background: var(--TWPT-drawer-background, #fff)!important; position: sticky; top: 0; z-index: 1;}');
+  }
+
+  if (options.enhancedannouncementsdot) {
+    injectStylesheet(
+        chrome.runtime.getURL('css/enhanced_announcements_dot.css'));
+  }
+
+  if (options.repositionexpandthread) {
+    injectStylesheet(
+        chrome.runtime.getURL('css/reposition_expand_thread.css'));
+  }
+
+  if (options.ccforcehidedrawer) {
+    var drawer = document.querySelector('material-drawer');
+    if (drawer !== null && drawer.classList.contains('mat-drawer-expanded')) {
+      document.querySelector('.material-drawer-button').click();
+    }
+  }
+
+  if (options.batchlock) {
+    injectScript(chrome.runtime.getURL('batchLockInject.bundle.js'));
+    injectStylesheet(chrome.runtime.getURL('css/batchlock_inject.css'));
+  }
+
+  if (options.threadlistavatars) {
+    injectStylesheet(
+        chrome.runtime.getURL('css/thread_list_avatars.css'));
+  }
+
+  if (options.autorefreshlist) {
+    injectStylesheet(chrome.runtime.getURL('css/autorefresh_list.css'));
+  }
+});
diff --git a/src/contentScripts/communityConsole/profileHistoryLink.js b/src/contentScripts/communityConsole/profileHistoryLink.js
new file mode 100644
index 0000000..d53f9ee
--- /dev/null
+++ b/src/contentScripts/communityConsole/profileHistoryLink.js
@@ -0,0 +1,59 @@
+import {getNParent, createExtBadge} from './utils.js';
+import {escapeUsername, getAuthUser} from '../../common/communityConsoleUtils.js';
+
+var authuser = getAuthUser();
+
+function addProfileHistoryLink(node, type, query) {
+  var urlpart = encodeURIComponent('query=' + query);
+  var authuserpart =
+      (authuser == '0' ? '' : '?authuser=' + encodeURIComponent(authuser));
+  var container = document.createElement('div');
+  container.style.margin = '3px 0';
+
+  var link = document.createElement('a');
+  link.setAttribute(
+      'href',
+      'https://support.google.com/s/community/search/' + urlpart +
+          authuserpart);
+  link.innerText = chrome.i18n.getMessage('inject_previousposts_' + type);
+
+  container.appendChild(link);
+  node.appendChild(container);
+}
+
+export function injectPreviousPostsLinks(nameElement) {
+  var mainCardContent = getNParent(nameElement, 3);
+  if (mainCardContent === null) {
+    console.error(
+        '[previousposts] Couldn\'t find |.main-card-content| element.');
+    return;
+  }
+
+  var forumId = location.href.split('/forum/')[1].split('/')[0] || '0';
+
+  var nameTag =
+      (nameElement.tagName == 'EC-DISPLAY-NAME-EDITOR' ?
+           nameElement.querySelector('.top-section > span') ?? nameElement :
+           nameElement);
+  var name = escapeUsername(nameTag.textContent);
+  var query1 = encodeURIComponent(
+      '(creator:"' + name + '" | replier:"' + name + '") forum:' + forumId);
+  var query2 = encodeURIComponent(
+      '(creator:"' + name + '" | replier:"' + name + '") forum:any');
+
+  var container = document.createElement('div');
+  container.classList.add('TWPT-previous-posts');
+
+  var badge = createExtBadge();
+  container.appendChild(badge);
+
+  var linkContainer = document.createElement('div');
+  linkContainer.classList.add('TWPT-previous-posts--links');
+
+  addProfileHistoryLink(linkContainer, 'forum', query1);
+  addProfileHistoryLink(linkContainer, 'all', query2);
+
+  container.appendChild(linkContainer);
+
+  mainCardContent.appendChild(container);
+}
diff --git a/src/contentScripts/communityConsole/start.js b/src/contentScripts/communityConsole/start.js
new file mode 100644
index 0000000..318e466
--- /dev/null
+++ b/src/contentScripts/communityConsole/start.js
@@ -0,0 +1,45 @@
+import {injectStylesheet} from '../../common/contentScriptsUtils.js';
+
+const SMEI_SORT_DIRECTION = 8;
+const SMEI_UNIFIED_PROFILES = 9;
+
+chrome.storage.sync.get(null, function(items) {
+  /* IMPORTANT NOTE: Remember to change this when changing the "ifs" below!! */
+  if (items.loaddrafts || items.smei_sortdirection ||
+      items.disableunifiedprofiles) {
+    var startup =
+        JSON.parse(document.querySelector('html').getAttribute('data-startup'));
+
+    if (items.loaddrafts) {
+      startup[4][13] = true;
+    }
+
+    if (items.smei_sortdirection) {
+      if (!startup[1][6].includes(SMEI_SORT_DIRECTION))
+        startup[1][6].push(SMEI_SORT_DIRECTION);
+    }
+
+    if (items.disableunifiedprofiles) {
+      var index = startup[1][6].indexOf(SMEI_UNIFIED_PROFILES);
+      if (index > -1) startup[1][6].splice(index, 1);
+    }
+
+    document.querySelector('html').setAttribute(
+        'data-startup', JSON.stringify(startup));
+  }
+
+  if (items.ccdarktheme) {
+    switch (items.ccdarktheme_mode) {
+      case 'switch':
+        if (items.ccdarktheme_switch_status == true)
+          injectStylesheet(chrome.runtime.getURL('css/ccdarktheme.css'));
+        break;
+
+      case 'system':
+        injectStylesheet(chrome.runtime.getURL('css/ccdarktheme.css'), {
+          'media': '(prefers-color-scheme: dark)',
+        });
+        break;
+    }
+  }
+});
diff --git a/src/contentScripts/communityConsole/unifiedProfiles.js b/src/contentScripts/communityConsole/unifiedProfiles.js
new file mode 100644
index 0000000..e37fbbf
--- /dev/null
+++ b/src/contentScripts/communityConsole/unifiedProfiles.js
@@ -0,0 +1,12 @@
+export var unifiedProfilesFix = {
+  checkIframe(iframe) {
+    var srcRegex = /support.*\.google\.com\/profile\//;
+    return srcRegex.test(iframe.src ?? '');
+  },
+  fixIframe(iframe) {
+    console.info('[unifiedProfilesFix] Fixing unified profiles iframe');
+    var url = new URL(iframe.src);
+    url.searchParams.set('dark', 1);
+    iframe.src = url.href;
+  },
+};
diff --git a/src/contentScripts/communityConsole/utils.js b/src/contentScripts/communityConsole/utils.js
new file mode 100644
index 0000000..ca452b3
--- /dev/null
+++ b/src/contentScripts/communityConsole/utils.js
@@ -0,0 +1,27 @@
+export function removeChildNodes(node) {
+  while (node.firstChild) {
+    node.removeChild(node.firstChild);
+  }
+}
+
+export function getNParent(node, n) {
+  if (n <= 0) return node;
+  if (!('parentNode' in node)) return null;
+  return getNParent(node.parentNode, n - 1);
+}
+
+export function createExtBadge() {
+  var badge = document.createElement('div');
+  badge.classList.add('TWPT-badge');
+  badge.setAttribute(
+      'title', chrome.i18n.getMessage('inject_extension_badge_helper', [
+        chrome.i18n.getMessage('appName')
+      ]));
+
+  var badgeI = document.createElement('i');
+  badgeI.classList.add('material-icon-i', 'material-icons-extended');
+  badgeI.textContent = 'repeat';
+
+  badge.append(badgeI);
+  return badge;
+}