diff --git a/packages/pl-fe/src/actions/apps.ts b/packages/pl-fe/src/actions/apps.ts
index bbd5e4538..97a68ef63 100644
--- a/packages/pl-fe/src/actions/apps.ts
+++ b/packages/pl-fe/src/actions/apps.ts
@@ -24,7 +24,7 @@ const createApp = (params: CreateApplicationParams, baseURL?: string) =>
 
     return client.apps.createApplication(params).then((app) => {
       dispatch({ type: APP_CREATE_SUCCESS, params, app });
-      return app as Record<string, string>;
+      return app;
     }).catch(error => {
       dispatch({ type: APP_CREATE_FAIL, params, error });
       throw error;
diff --git a/packages/pl-fe/src/actions/auth.ts b/packages/pl-fe/src/actions/auth.ts
index 37241fc8f..b19b4f400 100644
--- a/packages/pl-fe/src/actions/auth.ts
+++ b/packages/pl-fe/src/actions/auth.ts
@@ -6,7 +6,14 @@
  * @see module:pl-fe/actions/oauth
  * @see module:pl-fe/actions/security
 */
-import { credentialAccountSchema, PlApiClient, type CreateAccountParams, type Token } from 'pl-api';
+import {
+  credentialAccountSchema,
+  PlApiClient,
+  type Application,
+  type CreateAccountParams,
+  type CredentialAccount,
+  type Token,
+} from 'pl-api';
 import { defineMessages } from 'react-intl';
 import * as v from 'valibot';
 
@@ -32,6 +39,7 @@ import { type PlfeResponse, getClient } from '../api';
 
 import { importEntities } from './importer';
 
+import type { Account } from 'pl-fe/normalizers/account';
 import type { AppDispatch, RootState } from 'pl-fe/store';
 
 const SWITCH_ACCOUNT = 'SWITCH_ACCOUNT' as const;
@@ -49,6 +57,69 @@ const AUTH_ACCOUNT_REMEMBER_REQUEST = 'AUTH_ACCOUNT_REMEMBER_REQUEST' as const;
 const AUTH_ACCOUNT_REMEMBER_SUCCESS = 'AUTH_ACCOUNT_REMEMBER_SUCCESS' as const;
 const AUTH_ACCOUNT_REMEMBER_FAIL = 'AUTH_ACCOUNT_REMEMBER_FAIL' as const;
 
+interface SwitchAccountAction {
+  type: typeof SWITCH_ACCOUNT;
+  account?: Account;
+  background: boolean;
+}
+
+interface AuthAppCreatedAction {
+  type: typeof AUTH_APP_CREATED;
+  app: Application;
+}
+
+interface AuthAppAuthorizedAction {
+  type: typeof AUTH_APP_AUTHORIZED;
+  app: Application;
+  token: Token;
+}
+
+interface AuthLoggedInAction {
+  type: typeof AUTH_LOGGED_IN;
+  token: Token;
+}
+
+interface AuthLoggedOutAction {
+  type: typeof AUTH_LOGGED_OUT;
+  account: Account;
+  standalone: boolean;
+}
+
+interface VerifyCredentialsRequestAction {
+  type: typeof VERIFY_CREDENTIALS_REQUEST;
+  token: string;
+}
+
+interface VerifyCredentialsSuccessAction {
+  type: typeof VERIFY_CREDENTIALS_SUCCESS;
+  token: string;
+  account: CredentialAccount;
+}
+
+interface VerifyCredentialsFailAction {
+  type: typeof VERIFY_CREDENTIALS_FAIL;
+  token: string;
+  error: any;
+}
+
+interface AuthAccountRememberRequestAction {
+  type: typeof AUTH_ACCOUNT_REMEMBER_REQUEST;
+  accountUrl: string;
+}
+
+interface AuthAccountRememberSuccessAction {
+  type: typeof AUTH_ACCOUNT_REMEMBER_SUCCESS;
+  accountUrl: string;
+  account: CredentialAccount;
+}
+
+interface AuthAccountRememberFailAction {
+  type: typeof AUTH_ACCOUNT_REMEMBER_FAIL;
+  error: any;
+  accountUrl: string;
+  skipAlert: boolean;
+}
+
 const customApp = custom('app');
 
 const messages = defineMessages({
@@ -69,7 +140,7 @@ const createAppAndToken = () =>
 const getAuthApp = () =>
   (dispatch: AppDispatch) => {
     if (customApp?.client_secret) {
-      return noOp().then(() => dispatch({ type: AUTH_APP_CREATED, app: customApp }));
+      return noOp().then(() => dispatch<AuthAppCreatedAction>({ type: AUTH_APP_CREATED, app: customApp }));
     } else {
       return dispatch(createAuthApp());
     }
@@ -84,25 +155,25 @@ const createAuthApp = () =>
       website: sourceCode.homepage,
     };
 
-    return dispatch(createApp(params)).then((app: Record<string, string>) =>
-      dispatch({ type: AUTH_APP_CREATED, app }),
+    return dispatch(createApp(params)).then((app) =>
+      dispatch<AuthAppCreatedAction>({ type: AUTH_APP_CREATED, app }),
     );
   };
 
 const createAppToken = () =>
   (dispatch: AppDispatch, getState: () => RootState) => {
-    const app = getState().auth.app;
+    const app = getState().auth.app!;
 
     const params = {
-      client_id:     app?.client_id!,
-      client_secret: app?.client_secret!,
+      client_id:     app.client_id!,
+      client_secret: app.client_secret!,
       redirect_uri:  'urn:ietf:wg:oauth:2.0:oob',
       grant_type:    'client_credentials',
       scope:         getScopes(getState()),
     };
 
-    return dispatch(obtainOAuthToken(params)).then((token: Record<string, string | number>) =>
-      dispatch({ type: AUTH_APP_AUTHORIZED, app, token }),
+    return dispatch(obtainOAuthToken(params)).then((token) =>
+      dispatch<AuthAppAuthorizedAction>({ type: AUTH_APP_AUTHORIZED, app, token }),
     );
   };
 
@@ -145,13 +216,13 @@ const verifyCredentials = (token: string, accountUrl?: string) =>
   (dispatch: AppDispatch, getState: () => RootState) => {
     const baseURL = parseBaseURL(accountUrl) || BuildConfig.BACKEND_URL;
 
-    dispatch({ type: VERIFY_CREDENTIALS_REQUEST, token });
+    dispatch<VerifyCredentialsRequestAction>({ type: VERIFY_CREDENTIALS_REQUEST, token });
 
     const client = new PlApiClient(baseURL, token);
 
     return client.settings.verifyCredentials().then((account) => {
       dispatch(importEntities({ accounts: [account] }));
-      dispatch({ type: VERIFY_CREDENTIALS_SUCCESS, token, account });
+      dispatch<VerifyCredentialsSuccessAction>({ type: VERIFY_CREDENTIALS_SUCCESS, token, account });
       if (account.id === getState().me) dispatch(fetchMeSuccess(account));
       return account;
     }).catch(error => {
@@ -160,12 +231,12 @@ const verifyCredentials = (token: string, accountUrl?: string) =>
         const account = error.response.json;
         const parsedAccount = v.parse(credentialAccountSchema, error.response.json);
         dispatch(importEntities({ accounts: [parsedAccount] }));
-        dispatch({ type: VERIFY_CREDENTIALS_SUCCESS, token, account: parsedAccount });
+        dispatch<VerifyCredentialsSuccessAction>({ type: VERIFY_CREDENTIALS_SUCCESS, token, account: parsedAccount });
         if (account.id === getState().me) dispatch(fetchMeSuccess(parsedAccount));
         return parsedAccount;
       } else {
         if (getState().me === null) dispatch(fetchMeFail(error));
-        dispatch({ type: VERIFY_CREDENTIALS_FAIL, token, error });
+        dispatch<VerifyCredentialsFailAction>({ type: VERIFY_CREDENTIALS_FAIL, token, error });
         throw error;
       }
     });
@@ -173,14 +244,14 @@ const verifyCredentials = (token: string, accountUrl?: string) =>
 
 const rememberAuthAccount = (accountUrl: string) =>
   (dispatch: AppDispatch, getState: () => RootState) => {
-    dispatch({ type: AUTH_ACCOUNT_REMEMBER_REQUEST, accountUrl });
+    dispatch<AuthAccountRememberRequestAction>({ type: AUTH_ACCOUNT_REMEMBER_REQUEST, accountUrl });
     return KVStore.getItemOrError(`authAccount:${accountUrl}`).then(account => {
       dispatch(importEntities({ accounts: [account] }));
-      dispatch({ type: AUTH_ACCOUNT_REMEMBER_SUCCESS, account, accountUrl });
+      dispatch<AuthAccountRememberSuccessAction>({ type: AUTH_ACCOUNT_REMEMBER_SUCCESS, account, accountUrl });
       if (account.id === getState().me) dispatch(fetchMeSuccess(account));
       return account;
     }).catch(error => {
-      dispatch({ type: AUTH_ACCOUNT_REMEMBER_FAIL, error, accountUrl, skipAlert: true });
+      dispatch<AuthAccountRememberFailAction>({ type: AUTH_ACCOUNT_REMEMBER_FAIL, error, accountUrl, skipAlert: true });
     });
   };
 
@@ -227,7 +298,7 @@ const logOut = () =>
         // Clear the account from Sentry.
         unsetSentryAccount();
 
-        dispatch({ type: AUTH_LOGGED_OUT, account, standalone });
+        dispatch<AuthLoggedOutAction>({ type: AUTH_LOGGED_OUT, account, standalone });
 
         toast.success(messages.loggedOut);
       });
@@ -240,7 +311,7 @@ const switchAccount = (accountId: string, background = false) =>
     queryClient.invalidateQueries();
     queryClient.clear();
 
-    return dispatch({ type: SWITCH_ACCOUNT, account, background });
+    return dispatch<SwitchAccountAction>({ type: SWITCH_ACCOUNT, account, background });
   };
 
 const fetchOwnAccounts = () =>
@@ -272,10 +343,23 @@ const fetchCaptcha = () =>
 
 const authLoggedIn = (token: Token) =>
   (dispatch: AppDispatch) => {
-    dispatch({ type: AUTH_LOGGED_IN, token });
+    dispatch<AuthLoggedInAction>({ type: AUTH_LOGGED_IN, token });
     return token;
   };
 
+type AuthAction =
+  | SwitchAccountAction
+  | AuthAppCreatedAction
+  | AuthAppAuthorizedAction
+  | AuthLoggedInAction
+  | AuthLoggedOutAction
+  | VerifyCredentialsRequestAction
+  | VerifyCredentialsSuccessAction
+  | VerifyCredentialsFailAction
+  | AuthAccountRememberRequestAction
+  | AuthAccountRememberSuccessAction
+  | AuthAccountRememberFailAction;
+
 export {
   SWITCH_ACCOUNT,
   AUTH_APP_CREATED,
@@ -300,4 +384,5 @@ export {
   register,
   fetchCaptcha,
   authLoggedIn,
+  type AuthAction,
 };
diff --git a/packages/pl-fe/src/actions/me.ts b/packages/pl-fe/src/actions/me.ts
index 60535df7e..bbbf7549a 100644
--- a/packages/pl-fe/src/actions/me.ts
+++ b/packages/pl-fe/src/actions/me.ts
@@ -39,6 +39,10 @@ const getMeToken = (state: RootState) => {
   return state.auth.users.get(accountUrl!)?.access_token;
 };
 
+interface MeFetchSkipAction {
+  type: typeof ME_FETCH_SKIP;
+}
+
 const fetchMe = () =>
   (dispatch: AppDispatch, getState: () => RootState) => {
     const state = getState();
@@ -46,7 +50,7 @@ const fetchMe = () =>
     const accountUrl = getMeUrl(state);
 
     if (!token) {
-      dispatch({ type: ME_FETCH_SKIP });
+      dispatch<MeFetchSkipAction>({ type: ME_FETCH_SKIP });
       return noOp();
     }
 
@@ -122,13 +126,11 @@ interface MePatchSuccessAction {
 
 const patchMeSuccess = (me: CredentialAccount) =>
   (dispatch: AppDispatch) => {
-    const action: MePatchSuccessAction = {
+    dispatch(importEntities({ accounts: [me] }));
+    dispatch<MePatchSuccessAction>({
       type: ME_PATCH_SUCCESS,
       me,
-    };
-
-    dispatch(importEntities({ accounts: [me] }));
-    dispatch(action);
+    });
   };
 
 const patchMeFail = (error: unknown) => ({
@@ -141,6 +143,7 @@ type MeAction =
   | ReturnType<typeof fetchMeRequest>
   | ReturnType<typeof fetchMeSuccess>
   | ReturnType<typeof fetchMeFail>
+  | MeFetchSkipAction
   | ReturnType<typeof patchMeRequest>
   | MePatchSuccessAction
   | ReturnType<typeof patchMeFail>;
diff --git a/packages/pl-fe/src/reducers/accounts-meta.ts b/packages/pl-fe/src/reducers/accounts-meta.ts
index 1349f69ac..28ee85b21 100644
--- a/packages/pl-fe/src/reducers/accounts-meta.ts
+++ b/packages/pl-fe/src/reducers/accounts-meta.ts
@@ -5,11 +5,10 @@
 
 import { produce } from 'immer';
 
-import { VERIFY_CREDENTIALS_SUCCESS, AUTH_ACCOUNT_REMEMBER_SUCCESS } from 'pl-fe/actions/auth';
-import { ME_FETCH_SUCCESS, ME_PATCH_SUCCESS } from 'pl-fe/actions/me';
+import { VERIFY_CREDENTIALS_SUCCESS, AUTH_ACCOUNT_REMEMBER_SUCCESS, type AuthAction } from 'pl-fe/actions/auth';
+import { ME_FETCH_SUCCESS, ME_PATCH_SUCCESS, type MeAction } from 'pl-fe/actions/me';
 
 import type { Account, CredentialAccount } from 'pl-api';
-import type { AnyAction } from 'redux';
 
 interface AccountMeta {
   pleroma: Account['__meta']['pleroma'];
@@ -28,7 +27,7 @@ const importAccount = (state: State, account: CredentialAccount): State =>
     };
   });
 
-const accounts_meta = (state: Readonly<State> = {}, action: AnyAction): State => {
+const accounts_meta = (state: Readonly<State> = {}, action: AuthAction | MeAction): State => {
   switch (action.type) {
     case ME_FETCH_SUCCESS:
     case ME_PATCH_SUCCESS:
diff --git a/packages/pl-fe/src/reducers/auth.ts b/packages/pl-fe/src/reducers/auth.ts
index abbdd1ab4..7f097df66 100644
--- a/packages/pl-fe/src/reducers/auth.ts
+++ b/packages/pl-fe/src/reducers/auth.ts
@@ -3,7 +3,7 @@ import trim from 'lodash/trim';
 import { applicationSchema, PlApiClient, tokenSchema, type Application, type CredentialAccount, type Token } from 'pl-api';
 import * as v from 'valibot';
 
-import { MASTODON_PRELOAD_IMPORT } from 'pl-fe/actions/preload';
+import { MASTODON_PRELOAD_IMPORT, type PreloadAction } from 'pl-fe/actions/preload';
 import * as BuildConfig from 'pl-fe/build-config';
 import KVStore from 'pl-fe/storage/kv-store';
 import { validId, isURL, parseBaseURL } from 'pl-fe/utils/auth';
@@ -16,8 +16,9 @@ import {
   SWITCH_ACCOUNT,
   VERIFY_CREDENTIALS_SUCCESS,
   VERIFY_CREDENTIALS_FAIL,
+  type AuthAction,
 } from '../actions/auth';
-import { ME_FETCH_SKIP } from '../actions/me';
+import { ME_FETCH_SKIP, type MeAction } from '../actions/me';
 
 import type { PlfeResponse } from 'pl-fe/api';
 import type { Account as AccountEntity } from 'pl-fe/normalizers/account';
@@ -278,7 +279,7 @@ const deleteForbiddenToken = (state: State, error: { response: PlfeResponse }, t
   }
 };
 
-const reducer = (state: State, action: AnyAction) => {
+const reducer = (state: State, action: AnyAction | AuthAction | MeAction | PreloadAction) => {
   switch (action.type) {
     case AUTH_APP_CREATED:
       return state.set('app', action.app);
diff --git a/packages/pl-fe/src/reducers/contexts.ts b/packages/pl-fe/src/reducers/contexts.ts
index 6a6fe4d00..104421868 100644
--- a/packages/pl-fe/src/reducers/contexts.ts
+++ b/packages/pl-fe/src/reducers/contexts.ts
@@ -4,7 +4,7 @@ import {
   OrderedSet as ImmutableOrderedSet,
 } from 'immutable';
 
-import { STATUS_IMPORT, STATUSES_IMPORT } from 'pl-fe/actions/importer';
+import { STATUS_IMPORT, STATUSES_IMPORT, type ImporterAction } from 'pl-fe/actions/importer';
 
 import { ACCOUNT_BLOCK_SUCCESS, ACCOUNT_MUTE_SUCCESS } from '../actions/accounts';
 import {
@@ -186,7 +186,7 @@ const deletePendingStatus = (state: State, params: Pick<Status, 'id' | 'in_reply
 };
 
 /** Contexts reducer. Used for building a nested tree structure for threads. */
-const replies = (state = ReducerRecord(), action: AnyAction | StatusesAction | TimelineAction) => {
+const replies = (state = ReducerRecord(), action: AnyAction | ImporterAction | StatusesAction | TimelineAction) => {
   switch (action.type) {
     case ACCOUNT_BLOCK_SUCCESS:
     case ACCOUNT_MUTE_SUCCESS:
diff --git a/packages/pl-fe/src/reducers/me.ts b/packages/pl-fe/src/reducers/me.ts
index cbf69e8aa..97686ce74 100644
--- a/packages/pl-fe/src/reducers/me.ts
+++ b/packages/pl-fe/src/reducers/me.ts
@@ -2,17 +2,18 @@ import {
   AUTH_LOGGED_OUT,
   AUTH_ACCOUNT_REMEMBER_SUCCESS,
   VERIFY_CREDENTIALS_SUCCESS,
+  type AuthAction,
 } from '../actions/auth';
 import {
   ME_FETCH_SUCCESS,
   ME_FETCH_FAIL,
   ME_FETCH_SKIP,
   ME_PATCH_SUCCESS,
+  type MeAction,
 } from '../actions/me';
 
 import type { PlfeResponse } from 'pl-fe/api';
 import type { Me } from 'pl-fe/types/pl-fe';
-import type { AnyAction } from 'redux';
 
 const initialState: Me = null;
 
@@ -24,7 +25,7 @@ const handleForbidden = (state: Me, error: { response: PlfeResponse }) => {
   }
 };
 
-const me = (state: Me = initialState, action: AnyAction): Me => {
+const me = (state: Me = initialState, action: AuthAction | MeAction): Me => {
   switch (action.type) {
     case ME_FETCH_SUCCESS:
     case ME_PATCH_SUCCESS:
@@ -36,7 +37,7 @@ const me = (state: Me = initialState, action: AnyAction): Me => {
     case AUTH_LOGGED_OUT:
       return false;
     case ME_FETCH_FAIL:
-      return handleForbidden(state, action.error);
+      return handleForbidden(state, action.error as any);
     default:
       return state;
   }
diff --git a/packages/pl-fe/src/reducers/notifications.ts b/packages/pl-fe/src/reducers/notifications.ts
index 070d34af2..445e406b1 100644
--- a/packages/pl-fe/src/reducers/notifications.ts
+++ b/packages/pl-fe/src/reducers/notifications.ts
@@ -25,7 +25,7 @@ import {
   NOTIFICATIONS_MARK_READ_REQUEST,
   MAX_QUEUED_NOTIFICATIONS,
 } from '../actions/notifications';
-import { TIMELINE_DELETE } from '../actions/timelines';
+import { TIMELINE_DELETE, type TimelineAction } from '../actions/timelines';
 
 import type { AccountWarning, Notification as BaseNotification, Markers, PaginatedResponse, Relationship, RelationshipSeveranceEvent, Report } from 'pl-api';
 import type { Notification } from 'pl-fe/normalizers/notification';
@@ -215,7 +215,7 @@ const importMarker = (state: State, marker: Markers) => {
   });
 };
 
-const notifications = (state: State = ReducerRecord(), action: AnyAction) => {
+const notifications = (state: State = ReducerRecord(), action: AnyAction | TimelineAction) => {
   switch (action.type) {
     case NOTIFICATIONS_EXPAND_REQUEST:
       return state.set('isLoading', true);
diff --git a/packages/pl-fe/src/reducers/polls.ts b/packages/pl-fe/src/reducers/polls.ts
index f5015dc8d..3ad2489a9 100644
--- a/packages/pl-fe/src/reducers/polls.ts
+++ b/packages/pl-fe/src/reducers/polls.ts
@@ -1,9 +1,8 @@
 import { Map as ImmutableMap } from 'immutable';
 
-import { POLLS_IMPORT } from 'pl-fe/actions/importer';
+import { POLLS_IMPORT, type ImporterAction } from 'pl-fe/actions/importer';
 
 import type { Poll, Status } from 'pl-api';
-import type { AnyAction } from 'redux';
 
 type State = ImmutableMap<string, Poll>;
 
@@ -14,7 +13,7 @@ const importPolls = (state: State, polls: Array<Exclude<Status['poll'], null>>)
 
 const initialState: State = ImmutableMap();
 
-const polls = (state: State = initialState, action: AnyAction): State => {
+const polls = (state: State = initialState, action: ImporterAction): State => {
   switch (action.type) {
     case POLLS_IMPORT:
       return importPolls(state, action.polls);
diff --git a/packages/pl-fe/src/reducers/scheduled-statuses.ts b/packages/pl-fe/src/reducers/scheduled-statuses.ts
index b7afb0c29..a61f5085f 100644
--- a/packages/pl-fe/src/reducers/scheduled-statuses.ts
+++ b/packages/pl-fe/src/reducers/scheduled-statuses.ts
@@ -1,6 +1,6 @@
 import { Map as ImmutableMap } from 'immutable';
 
-import { STATUS_IMPORT, STATUSES_IMPORT } from 'pl-fe/actions/importer';
+import { STATUS_IMPORT, STATUSES_IMPORT, type ImporterAction } from 'pl-fe/actions/importer';
 import {
   SCHEDULED_STATUSES_FETCH_SUCCESS,
   SCHEDULED_STATUS_CANCEL_REQUEST,
@@ -25,7 +25,7 @@ const importStatuses = (state: State, statuses: Array<Status | ScheduledStatus>)
 
 const deleteStatus = (state: State, statusId: string) => state.delete(statusId);
 
-const scheduled_statuses = (state: State = initialState, action: AnyAction) => {
+const scheduled_statuses = (state: State = initialState, action: AnyAction | ImporterAction) => {
   switch (action.type) {
     case STATUS_IMPORT:
     case STATUS_CREATE_SUCCESS:
diff --git a/packages/pl-fe/src/reducers/status-lists.ts b/packages/pl-fe/src/reducers/status-lists.ts
index 62a253676..032c4ec97 100644
--- a/packages/pl-fe/src/reducers/status-lists.ts
+++ b/packages/pl-fe/src/reducers/status-lists.ts
@@ -31,6 +31,7 @@ import {
   JOINED_EVENTS_FETCH_REQUEST,
   JOINED_EVENTS_FETCH_SUCCESS,
   JOINED_EVENTS_FETCH_FAIL,
+  type EventsAction,
 } from '../actions/events';
 import {
   FAVOURITED_STATUSES_FETCH_REQUEST,
@@ -152,7 +153,7 @@ const removeBookmarkFromLists = (state: State, status: Pick<Status, 'id' | 'book
   return state;
 };
 
-const statusLists = (state = initialState, action: AnyAction | BookmarksAction | FavouritesAction | InteractionsAction | PinStatusesAction | StatusQuotesAction) => {
+const statusLists = (state = initialState, action: AnyAction | BookmarksAction | EventsAction | FavouritesAction | InteractionsAction | PinStatusesAction | StatusQuotesAction) => {
   switch (action.type) {
     case FAVOURITED_STATUSES_FETCH_REQUEST:
     case FAVOURITED_STATUSES_EXPAND_REQUEST:
diff --git a/packages/pl-fe/src/reducers/suggestions.ts b/packages/pl-fe/src/reducers/suggestions.ts
index 9c6cad054..e829dead5 100644
--- a/packages/pl-fe/src/reducers/suggestions.ts
+++ b/packages/pl-fe/src/reducers/suggestions.ts
@@ -1,7 +1,7 @@
 import { Record as ImmutableRecord } from 'immutable';
 
 import { ACCOUNT_BLOCK_SUCCESS, ACCOUNT_MUTE_SUCCESS } from 'pl-fe/actions/accounts';
-import { DOMAIN_BLOCK_SUCCESS } from 'pl-fe/actions/domain-blocks';
+import { DOMAIN_BLOCK_SUCCESS, type DomainBlocksAction } from 'pl-fe/actions/domain-blocks';
 import {
   SUGGESTIONS_FETCH_REQUEST,
   SUGGESTIONS_FETCH_SUCCESS,
@@ -37,7 +37,7 @@ const dismissAccount = (state: State, accountId: string) =>
 const dismissAccounts = (state: State, accountIds: string[]) =>
   state.update('items', items => items.filter(item => !accountIds.includes(item.account_id)));
 
-const suggestionsReducer = (state: State = ReducerRecord(), action: AnyAction) => {
+const suggestionsReducer = (state: State = ReducerRecord(), action: AnyAction | DomainBlocksAction) => {
   switch (action.type) {
     case SUGGESTIONS_FETCH_REQUEST:
       return state.set('isLoading', true);
diff --git a/packages/pl-fe/src/reducers/timelines.ts b/packages/pl-fe/src/reducers/timelines.ts
index 9e2d4a0ed..763341c47 100644
--- a/packages/pl-fe/src/reducers/timelines.ts
+++ b/packages/pl-fe/src/reducers/timelines.ts
@@ -7,8 +7,8 @@ import {
 import sample from 'lodash/sample';
 
 import { ACCOUNT_BLOCK_SUCCESS, ACCOUNT_MUTE_SUCCESS } from '../actions/accounts';
-import { PIN_SUCCESS, UNPIN_SUCCESS } from '../actions/interactions';
-import { STATUS_CREATE_REQUEST, STATUS_CREATE_SUCCESS } from '../actions/statuses';
+import { PIN_SUCCESS, UNPIN_SUCCESS, type InteractionsAction } from '../actions/interactions';
+import { STATUS_CREATE_REQUEST, STATUS_CREATE_SUCCESS, type StatusesAction } from '../actions/statuses';
 import {
   TIMELINE_UPDATE,
   TIMELINE_DELETE,
@@ -21,6 +21,7 @@ import {
   MAX_QUEUED_ITEMS,
   TIMELINE_SCROLL_TOP,
   TIMELINE_INSERT,
+  type TimelineAction,
 } from '../actions/timelines';
 
 import type { PaginatedResponse, Status as BaseStatus, Relationship } from 'pl-api';
@@ -294,7 +295,7 @@ const handleExpandFail = (state: State, timelineId: string) => state.withMutatio
   setFailed(state, timelineId, true);
 });
 
-const timelines = (state: State = initialState, action: AnyAction) => {
+const timelines = (state: State = initialState, action: AnyAction | InteractionsAction | StatusesAction | TimelineAction) => {
   switch (action.type) {
     case STATUS_CREATE_REQUEST:
       if (action.params.scheduled_at) return state;