[MM-59060] Remove pre release features section from advanced section of user settings (#27608)

e2e-tests/cypress/tests/integration/channels/accessibility/accessibility_account_settings_spec.js

@@ -60,10 +60,6 @@ describe('Verify Accessibility Support in different sections in Settings and Pro
             {key: 'advancedCtrlSend', label: `Send Messages on ${isMac() ? '⌘+ENTER' : 'CTRL+ENTER'}`, type: 'radio'},
             {key: 'formatting', label: 'Enable Post Formatting', type: 'radio'},
             {key: 'joinLeave', label: 'Enable Join/Leave Messages', type: 'radio'},
-
-            // As only setting in advancedPreviewFeatures was related to editor preview this isn't required at the moment,
-            // may later on we can add it if we add more settings inside it
-            // {key: 'advancedPreviewFeatures', label: 'Preview Pre-release Features', type: 'checkbox'},
         ],
     };
     let url;

e2e-tests/cypress/tests/integration/channels/messaging/markdown_preview_inline_image_spec.js

@@ -14,7 +14,6 @@ describe('Messaging', () => {
     before(() => {
         // # Login as test user and visit off-topic
         cy.apiInitSetup({loginAfter: true}).then(({offTopicUrl}) => {
-            cy.apiSaveShowMarkdownPreviewPreference();
             cy.visit(offTopicUrl);
             cy.postMessage('hello');
         });

e2e-tests/cypress/tests/integration/channels/messaging/message_spec.js

@@ -143,8 +143,6 @@ describe('Message', () => {
     });
 
     it('MM-T3307 Focus remains in the RHS text box', () => {
-        cy.apiSaveShowMarkdownPreviewPreference();
-
         cy.postMessage(MESSAGES.MEDIUM);
 
         // # Open reply thread (RHS)

e2e-tests/cypress/tests/support/api/cloud_default_config.json

@@ -72,7 +72,6 @@
         "EnableUserStatuses": true,
         "ExperimentalEnableAuthenticationTransfer": true,
         "ClusterLogTimeoutMilliseconds": 2000,
-        "EnablePreviewFeatures": true,
         "EnableTutorial": true,
         "EnableOnboardingFlow": false,
         "ExperimentalEnableDefaultChannelLeaveJoinMessages": true,

e2e-tests/cypress/tests/support/api/on_prem_default_config.json

@@ -73,7 +73,6 @@
         "EnableUserStatuses": true,
         "ExperimentalEnableAuthenticationTransfer": true,
         "ClusterLogTimeoutMilliseconds": 2000,
-        "EnablePreviewFeatures": true,
         "EnableTutorial": true,
         "EnableOnboardingFlow": false,
         "ExperimentalEnableDefaultChannelLeaveJoinMessages": true,

e2e-tests/cypress/tests/support/api/preference.js

@@ -76,24 +76,6 @@ Cypress.Commands.add('apiSaveMessageDisplayPreference', (value = 'clean') => {
     });
 });
 
-/**
- * Saves show markdown preview option preference of a user directly via API
- * This API assume that the user is logged in and has cookie to access
- * @param {String} value - Either "true" to show the options (default) or "false"
- */
-Cypress.Commands.add('apiSaveShowMarkdownPreviewPreference', (value = 'true') => {
-    return cy.getCookie('MMUSERID').then((cookie) => {
-        const preference = {
-            user_id: cookie.value,
-            category: 'advanced_settings',
-            name: 'feature_enabled_markdown_preview',
-            value,
-        };
-
-        return cy.apiSaveUserPreference([preference]);
-    });
-});
-
 /**
  * Saves teammate name display preference of a user directly via API
  * This API assume that the user is logged in and has cookie to access

e2e-tests/playwright/support/server/default_config.ts

@@ -159,7 +159,6 @@ const defaultServerConfig: AdminConfig = {
         EnableUserStatuses: true,
         ExperimentalEnableAuthenticationTransfer: true,
         ClusterLogTimeoutMilliseconds: 2000,
-        EnablePreviewFeatures: true,
         EnableTutorial: true,
         EnableOnboardingFlow: true,
         ExperimentalEnableDefaultChannelLeaveJoinMessages: true,

server/config/client.go

@@ -41,7 +41,6 @@ func GenerateClientConfig(c *model.Config, telemetryID string, license *model.Li
 	props["EnableClientPerformanceDebugging"] = strconv.FormatBool(*c.ServiceSettings.EnableClientPerformanceDebugging)
 	props["PostEditTimeLimit"] = strconv.Itoa(*c.ServiceSettings.PostEditTimeLimit)
 	props["MinimumHashtagLength"] = strconv.Itoa(*c.ServiceSettings.MinimumHashtagLength)
-	props["EnablePreviewFeatures"] = strconv.FormatBool(*c.ServiceSettings.EnablePreviewFeatures)
 	props["EnableTutorial"] = strconv.FormatBool(*c.ServiceSettings.EnableTutorial)
 	props["EnableOnboardingFlow"] = strconv.FormatBool(*c.ServiceSettings.EnableOnboardingFlow)
 	props["ExperimentalEnableDefaultChannelLeaveJoinMessages"] = strconv.FormatBool(*c.ServiceSettings.ExperimentalEnableDefaultChannelLeaveJoinMessages)

server/platform/services/telemetry/telemetry.go

@@ -456,7 +456,6 @@ func (ts *TelemetryService) trackConfig() {
 		"enable_post_search":                                      *cfg.ServiceSettings.EnablePostSearch,
 		"minimum_hashtag_length":                                  *cfg.ServiceSettings.MinimumHashtagLength,
 		"enable_user_statuses":                                    *cfg.ServiceSettings.EnableUserStatuses,
-		"enable_preview_features":                                 *cfg.ServiceSettings.EnablePreviewFeatures,
 		"enable_tutorial":                                         *cfg.ServiceSettings.EnableTutorial,
 		"enable_onboarding_flow":                                  *cfg.ServiceSettings.EnableOnboardingFlow,
 		"experimental_enable_default_channel_leave_join_messages": *cfg.ServiceSettings.ExperimentalEnableDefaultChannelLeaveJoinMessages,

server/public/model/config.go

@@ -374,7 +374,6 @@ type ServiceSettings struct {
 	EnableUserStatuses                                *bool   `access:"write_restrictable,cloud_restrictable"`
 	ExperimentalEnableAuthenticationTransfer          *bool   `access:"experimental_features"`
 	ClusterLogTimeoutMilliseconds                     *int    `access:"write_restrictable,cloud_restrictable"`
-	EnablePreviewFeatures                             *bool   `access:"experimental_features"`
 	EnableTutorial                                    *bool   `access:"experimental_features"`
 	EnableOnboardingFlow                              *bool   `access:"experimental_features"`
 	ExperimentalEnableDefaultChannelLeaveJoinMessages *bool   `access:"experimental_features"`
@@ -775,10 +774,6 @@ func (s *ServiceSettings) SetDefaults(isUpdate bool) {
 		s.PostEditTimeLimit = NewInt(-1)
 	}
 
-	if s.EnablePreviewFeatures == nil {
-		s.EnablePreviewFeatures = NewBool(true)
-	}
-
 	if s.ExperimentalEnableDefaultChannelLeaveJoinMessages == nil {
 		s.ExperimentalEnableDefaultChannelLeaveJoinMessages = NewBool(true)
 	}

server/tests/test-config.json

@@ -54,7 +54,6 @@
         "EnableUserStatuses": true,
         "ExperimentalEnableAuthenticationTransfer": true,
         "ClusterLogTimeoutMilliseconds": 2000,
-        "EnablePreviewFeatures": true,
         "EnableTutorial": true,
         "EnableOnboardingFlow": true,
         "ExperimentalEnableDefaultChannelLeaveJoinMessages": true,

webapp/channels/src/components/admin_console/admin_definition.tsx

@@ -6054,14 +6054,6 @@ const AdminDefinition: AdminDefinitionType = {
                             help_text_markdown: false,
                             isDisabled: it.not(it.userHasWritePermissionOnResource(RESOURCE_KEYS.EXPERIMENTAL.FEATURES)),
                         },
-                        {
-                            type: 'bool',
-                            key: 'ServiceSettings.EnablePreviewFeatures',
-                            label: defineMessage({id: 'admin.experimental.enablePreviewFeatures.title', defaultMessage: 'Enable Preview Features:'}),
-                            help_text: defineMessage({id: 'admin.experimental.enablePreviewFeatures.desc', defaultMessage: 'When true, preview features can be enabled from **Settings > Advanced > Preview pre-release features**. When false, disables and hides preview features from **Settings > Advanced > Preview pre-release features**.'}),
-                            help_text_markdown: true,
-                            isDisabled: it.not(it.userHasWritePermissionOnResource(RESOURCE_KEYS.EXPERIMENTAL.FEATURES)),
-                        },
                         {
                             type: 'bool',
                             key: 'ThemeSettings.EnableThemeSelection',

webapp/channels/src/components/user_settings/advanced/index.ts

@@ -1,6 +1,7 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
 // See LICENSE.txt for license information.
 
+import type {ConnectedProps} from 'react-redux';
 import {connect} from 'react-redux';
 import {bindActionCreators} from 'redux';
 import type {Dispatch} from 'redux';
@@ -20,8 +21,8 @@ import {Preferences} from 'utils/constants';
 
 import type {GlobalState} from 'types/store';
 
-import type {OwnProps} from './user_settings_advanced';
 import AdvancedSettingsDisplay from './user_settings_advanced';
+import type {OwnProps} from './user_settings_advanced';
 
 function makeMapStateToProps(state: GlobalState, props: OwnProps) {
     const getAdvancedSettingsCategory = props.adminMode ? makeGetUserCategory(props.user.id) : makeGetCategory();
@@ -29,7 +30,6 @@ function makeMapStateToProps(state: GlobalState, props: OwnProps) {
     return (state: GlobalState, props: OwnProps) => {
         const config = getConfig(state);
 
-        const enablePreviewFeatures = config.EnablePreviewFeatures === 'true';
         const enableUserDeactivation = config.EnableUserDeactivation === 'true';
         const enableJoinLeaveMessage = config.EnableJoinLeaveMessageByDefault === 'true';
 
@@ -44,7 +44,6 @@ function makeMapStateToProps(state: GlobalState, props: OwnProps) {
             syncDrafts: get(state, Preferences.CATEGORY_ADVANCED_SETTINGS, 'sync_drafts', 'true', userPreferences),
             user: props.adminMode && props.user ? props.user : getCurrentUser(state),
             unreadScrollPosition: getUnreadScrollPositionPreference(state, userPreferences),
-            enablePreviewFeatures,
             enableUserDeactivation,
             syncedDraftsAreAllowed: syncedDraftsAreAllowed(state),
         };
@@ -61,4 +60,8 @@ function mapDispatchToProps(dispatch: Dispatch) {
     };
 }
 
-export default connect(makeMapStateToProps, mapDispatchToProps)(AdvancedSettingsDisplay);
+const connector = connect(makeMapStateToProps, mapDispatchToProps);
+
+export type PropsFromRedux = ConnectedProps<typeof connector>;
+
+export default connector(AdvancedSettingsDisplay);

webapp/channels/src/components/user_settings/advanced/user_settings_advanced.test.tsx

@@ -44,7 +44,6 @@ describe('components/user_settings/display/UserSettingsDisplay', () => {
         syncDrafts: '',
         unreadScrollPosition: Preferences.UNREAD_SCROLL_POSITION_START_FROM_LEFT,
         codeBlockOnCtrlEnter: 'false',
-        enablePreviewFeatures: false,
         enableUserDeactivation: false,
         syncedDraftsAreAllowed: true,
     };

webapp/channels/src/components/user_settings/advanced/user_settings_advanced.tsx

@@ -10,8 +10,6 @@ import {FormattedMessage, defineMessages} from 'react-intl';
 import type {PreferencesType, PreferenceType} from '@mattermost/types/preferences';
 import type {UserProfile} from '@mattermost/types/users';
 
-import type {ActionResult} from 'mattermost-redux/types/actions';
-
 import {emitUserLoggedOutEvent} from 'actions/global_actions';
 
 import ConfirmModal from 'components/confirm_modal';
@@ -20,7 +18,7 @@ import SettingItemMax from 'components/setting_item_max';
 
 import Constants, {AdvancedSections, Preferences} from 'utils/constants';
 import {isMac} from 'utils/user_agent';
-import {a11yFocus, localizeMessage} from 'utils/utils';
+import {a11yFocus} from 'utils/utils';
 
 import JoinLeaveSection from './join_leave_section';
 import PerformanceDebuggingSection from './performance_debugging_section';
@@ -28,8 +26,7 @@ import PerformanceDebuggingSection from './performance_debugging_section';
 import SettingDesktopHeader from '../headers/setting_desktop_header';
 import SettingMobileHeader from '../headers/setting_mobile_header';
 
-type PreReleaseFeaturesType = Record<string, {label: string; description: string}>;
+import type {PropsFromRedux} from './index';
-const PreReleaseFeatures: PreReleaseFeaturesType = Constants.PRE_RELEASE_FEATURES;
 
 type Settings = {
     [key: string]: string | undefined;
@@ -44,39 +41,19 @@ export type OwnProps = {
     adminMode?: boolean;
     user: UserProfile;
     userPreferences?: PreferencesType;
-}
-
-export type Props = OwnProps & {
-    advancedSettingsCategory: PreferenceType[];
-    sendOnCtrlEnter: string;
-    codeBlockOnCtrlEnter: string;
-    formatting: string;
-    joinLeave: string;
-    unreadScrollPosition: string;
-    syncDrafts: string;
     updateSection: (section?: string) => void;
     activeSection: string;
     closeModal: () => void;
     collapseModal: () => void;
-    enablePreviewFeatures: boolean;
+}
-    enableUserDeactivation: boolean;
+
-    syncedDraftsAreAllowed: boolean;
+export type Props = OwnProps & PropsFromRedux;
-    actions: {
-        savePreferences: (userId: string, preferences: PreferenceType[]) => Promise<ActionResult>;
-        updateUserActive: (userId: string, active: boolean) => Promise<ActionResult>;
-        revokeAllSessionsForUser: (userId: string) => Promise<ActionResult>;
-    };
-};
 
 type State = {
-    preReleaseFeatures: PreReleaseFeaturesType;
     settings: Settings;
-    enabledFeatures: number;
     isSaving: boolean;
-    previewFeaturesEnabled: boolean;
     showDeactivateAccountModal: boolean;
     serverError: string;
-    preReleaseFeaturesKeys: string[];
 }
 
 export default class AdvancedSettingsDisplay extends React.PureComponent<Props, State> {
@@ -87,7 +64,6 @@ export default class AdvancedSettingsDisplay extends React.PureComponent<Props,
     }
 
     getStateFromProps = (): State => {
-        const advancedSettings = this.props.advancedSettingsCategory;
         const settings: Settings = {
             send_on_ctrl_enter: this.props.sendOnCtrlEnter,
             code_block_ctrl_enter: this.props.codeBlockOnCtrlEnter,
@@ -97,36 +73,13 @@ export default class AdvancedSettingsDisplay extends React.PureComponent<Props,
             [Preferences.UNREAD_SCROLL_POSITION]: this.props.unreadScrollPosition,
         };
 
-        const PreReleaseFeaturesLocal = JSON.parse(JSON.stringify(PreReleaseFeatures));
-        const preReleaseFeaturesKeys = Object.keys(PreReleaseFeaturesLocal);
-
-        let enabledFeatures = 0;
-        for (const as of advancedSettings) {
-            for (const key of preReleaseFeaturesKeys) {
-                const feature = PreReleaseFeaturesLocal[key];
-
-                if (as.name === Constants.FeatureTogglePrefix + feature.label) {
-                    settings[as.name] = as.value;
-
-                    if (as.value === 'true') {
-                        enabledFeatures += 1;
-                    }
-                }
-            }
-        }
-
         const isSaving = false;
 
-        const previewFeaturesEnabled = this.props.enablePreviewFeatures;
         const showDeactivateAccountModal = false;
 
         return {
-            preReleaseFeatures: PreReleaseFeaturesLocal,
             settings,
-            preReleaseFeaturesKeys,
-            enabledFeatures,
             isSaving,
-            previewFeaturesEnabled,
             showDeactivateAccountModal,
             serverError: '',
         };
@@ -140,31 +93,6 @@ export default class AdvancedSettingsDisplay extends React.PureComponent<Props,
         a11yFocus(e?.currentTarget as HTMLElement);
     };
 
-    toggleFeature = (feature: string, checked: boolean): void => {
-        const {settings} = this.state;
-        settings[Constants.FeatureTogglePrefix + feature] = String(checked);
-
-        let enabledFeatures = 0;
-        Object.keys(this.state.settings).forEach((setting) => {
-            if (setting.lastIndexOf(Constants.FeatureTogglePrefix) === 0 && this.state.settings[setting] === 'true') {
-                enabledFeatures++;
-            }
-        });
-
-        this.setState({settings, enabledFeatures});
-    };
-
-    saveEnabledFeatures = (): void => {
-        const features: string[] = [];
-        Object.keys(this.state.settings).forEach((setting) => {
-            if (setting.lastIndexOf(Constants.FeatureTogglePrefix) === 0) {
-                features.push(setting);
-            }
-        });
-
-        this.handleSubmit(features);
-    };
-
     handleSubmit = async (settings: string[]): Promise<void> => {
         if (!this.props.user) {
             return;
@@ -585,20 +513,6 @@ export default class AdvancedSettingsDisplay extends React.PureComponent<Props,
         );
     };
 
-    renderFeatureLabel(feature: string): ReactNode {
-        switch (feature) {
-        case 'MARKDOWN_PREVIEW':
-            return (
-                <FormattedMessage
-                    id='user.settings.advance.markdown_preview'
-                    defaultMessage='Show markdown preview option in message input box'
-                />
-            );
-        default:
-            return null;
-        }
-    }
-
     renderCtrlSendSection = () => {
         const active = this.props.activeSection === 'advancedCtrlSend';
         const serverError = this.state.serverError || null;
@@ -710,79 +624,6 @@ export default class AdvancedSettingsDisplay extends React.PureComponent<Props,
         );
     };
 
-    renderPreviewFeaturesSection = () => {
-        const serverError = this.state.serverError || null;
-        const active = this.props.activeSection === 'advancedPreviewFeatures';
-        let max = null;
-        if (active) {
-            const inputs = [];
-
-            this.state.preReleaseFeaturesKeys.forEach((key) => {
-                const feature = this.state.preReleaseFeatures[key as keyof PreReleaseFeaturesType];
-                inputs.push(
-                    <div key={'advancedPreviewFeatures_' + feature.label}>
-                        <div className='checkbox'>
-                            <label>
-                                <input
-                                    id={'advancedPreviewFeatures' + feature.label}
-                                    type='checkbox'
-                                    checked={this.state.settings[Constants.FeatureTogglePrefix + feature.label] === 'true'}
-                                    onChange={(e) => {
-                                        this.toggleFeature(feature.label, e.target.checked);
-                                    }}
-                                />
-                                {this.renderFeatureLabel(key)}
-                            </label>
-                        </div>
-                    </div>,
-                );
-            });
-
-            inputs.push(
-                <div key='advancedPreviewFeatures_helptext'>
-                    <br/>
-                    <FormattedMessage
-                        id='user.settings.advance.preReleaseDesc'
-                        defaultMessage="Check any pre-released features you'd like to preview. You may also need to refresh the page before the setting will take effect."
-                    />
-                </div>,
-            );
-
-            max = (
-                <SettingItemMax
-                    title={
-                        <FormattedMessage
-                            id='user.settings.advance.preReleaseTitle'
-                            defaultMessage='Preview Pre-release Features'
-                        />
-                    }
-                    inputs={inputs}
-                    submit={this.saveEnabledFeatures}
-                    saving={this.state.isSaving}
-                    serverError={serverError}
-                    updateSection={this.handleUpdateSection}
-                />
-            );
-        }
-        return (
-            <SettingItem
-                active={active}
-                areAllSectionsInactive={this.props.activeSection === ''}
-                title={localizeMessage('user.settings.advance.preReleaseTitle', 'Preview Pre-release Features')}
-                describe={
-                    <FormattedMessage
-                        id='user.settings.advance.enabledFeatures'
-                        defaultMessage='{count, number} {count, plural, one {feature} other {features}} enabled'
-                        values={{count: this.state.enabledFeatures}}
-                    />
-                }
-                section={'advancedPreviewFeatures'}
-                updateSection={this.handleUpdateSection}
-                max={max}
-            />
-        );
-    };
-
     render() {
         const ctrlSendSection = this.renderCtrlSendSection();
 
@@ -792,15 +633,6 @@ export default class AdvancedSettingsDisplay extends React.PureComponent<Props,
             formattingSectionDivider = <div className='divider-light'/>;
         }
 
-        let previewFeaturesSection;
-        let previewFeaturesSectionDivider;
-        if (this.state.previewFeaturesEnabled && this.state.preReleaseFeaturesKeys.length > 0) {
-            previewFeaturesSectionDivider = (
-                <div className='divider-light'/>
-            );
-            previewFeaturesSection = this.renderPreviewFeaturesSection();
-        }
-
         let deactivateAccountSection: ReactNode = '';
         let makeConfirmationModal: ReactNode = '';
 
@@ -940,8 +772,6 @@ export default class AdvancedSettingsDisplay extends React.PureComponent<Props,
                         userPreferences={this.props.userPreferences}
                         userId={this.props.user.id}
                     />
-                    {previewFeaturesSectionDivider}
-                    {previewFeaturesSection}
                     <PerformanceDebuggingSection
                         active={this.props.activeSection === AdvancedSections.PERFORMANCE_DEBUGGING}
                         onUpdateSection={this.handleUpdateSection}

webapp/channels/src/i18n/en.json

@@ -934,8 +934,6 @@
   "admin.experimental.enableChannelViewedMessages.title": "Enable Channel Viewed WebSocket Messages:",
   "admin.experimental.enableOnboardingFlow.desc": "When true, new users are shown steps to complete as part of an onboarding process",
   "admin.experimental.enableOnboardingFlow.title": "Enable Onboarding:",
-  "admin.experimental.enablePreviewFeatures.desc": "When true, preview features can be enabled from **Settings > Advanced > Preview pre-release features**. When false, disables and hides preview features from **Settings > Advanced > Preview pre-release features**.",
-  "admin.experimental.enablePreviewFeatures.title": "Enable Preview Features:",
   "admin.experimental.enableSharedChannels.desc": "When true, users who have permission to manage shared channels can configure another Mattermost server to synchronize and share a channel. Disabling shared channels stops synchronizing the channel with the other Mattermost server, however the channel continues to function for local users per normal channel behavior.",
   "admin.experimental.enableSharedChannels.title": "Enable Shared Channels:",
   "admin.experimental.enableThemeSelection.desc": "Enables the **Display > Theme** tab in Settings so users can select their theme.",
@@ -5317,13 +5315,11 @@
   "user.settings.advance.deactivateAccountTitle": "Deactivate Account",
   "user.settings.advance.deactivateDesc": "Deactivating your account removes your ability to log in to this server and disables all email and mobile notifications. To reactivate your account, contact your System Administrator.",
   "user.settings.advance.deactivateDescShort": "Click 'Edit' to deactivate your account",
-  "user.settings.advance.enabledFeatures": "{count, number} {count, plural, one {feature} other {features}} enabled",
   "user.settings.advance.formattingDesc": "If enabled, posts will be formatted to create links, show emoji, style the text, and add line breaks. By default, this setting is enabled.",
   "user.settings.advance.formattingTitle": "Enable Post Formatting",
   "user.settings.advance.icon": "Advanced Settings Icon",
   "user.settings.advance.joinLeaveDesc": "When \"On\", System Messages saying a user has joined or left a channel will be visible. When \"Off\", the System Messages about joining or leaving a channel will be hidden. A message will still show up when you are added to a channel, so you can receive a notification.",
   "user.settings.advance.joinLeaveTitle": "Enable Join/Leave Messages",
-  "user.settings.advance.markdown_preview": "Show markdown preview option in message input box",
   "user.settings.advance.off": "Off",
   "user.settings.advance.on": "On",
   "user.settings.advance.onForAllMessages": "On for all messages",
@@ -5336,8 +5332,6 @@
   "user.settings.advance.performance.noneEnabled": "No settings enabled",
   "user.settings.advance.performance.settingsEnabled": "{count, number} {count, plural, one {setting} other {settings}} enabled",
   "user.settings.advance.performance.title": "Performance Debugging",
-  "user.settings.advance.preReleaseDesc": "Check any pre-released features you'd like to preview. You may also need to refresh the page before the setting will take effect.",
-  "user.settings.advance.preReleaseTitle": "Preview Pre-release Features",
   "user.settings.advance.sendDesc": "When enabled, CTRL + ENTER will send the message and ENTER inserts a new line.",
   "user.settings.advance.sendDesc.mac": "When enabled, ⌘ + ENTER will send the message and ENTER inserts a new line.",
   "user.settings.advance.sendTitle": "Send Messages on CTRL+ENTER",

webapp/channels/src/utils/constants.tsx

@@ -1025,7 +1025,6 @@ export const AdvancedSections = {
     CONTROL_SEND: 'advancedCtrlSend',
     FORMATTING: 'formatting',
     JOIN_LEAVE: 'joinLeave',
-    PREVIEW_FEATURES: 'advancedPreviewFeatures',
     PERFORMANCE_DEBUGGING: 'performanceDebugging',
     SYNC_DRAFTS: 'syncDrafts',
 };
@@ -1980,8 +1979,6 @@ export const Constants = {
         COMMAND_SUGGESTION_CHANNEL: 'channel',
         COMMAND_SUGGESTION_USER: 'user',
     },
-    FeatureTogglePrefix: 'feature_enabled_',
-    PRE_RELEASE_FEATURES: {},
     OVERLAY_TIME_DELAY_SMALL: 100,
     OVERLAY_TIME_DELAY: 400,
     OVERLAY_DEFAULT_TRIGGER: ['hover', 'focus'],

webapp/channels/src/utils/utils.tsx

@@ -35,7 +35,7 @@ import {
     getMyChannelMemberships,
 } from 'mattermost-redux/selectors/entities/channels';
 import {getPost} from 'mattermost-redux/selectors/entities/posts';
-import {getBool, getTeammateNameDisplaySetting, isCollapsedThreadsEnabled} from 'mattermost-redux/selectors/entities/preferences';
+import {getTeammateNameDisplaySetting, isCollapsedThreadsEnabled} from 'mattermost-redux/selectors/entities/preferences';
 import type {Theme} from 'mattermost-redux/selectors/entities/preferences';
 import {
     getTeamByName,
@@ -1123,11 +1123,6 @@ export function getUserIdFromChannelId(channelId: Channel['id'], currentUserId =
     return otherUserId;
 }
 
-// Should be refactored, seems to make most sense to wrap TextboxLinks in a connect(). To discuss
-export function isFeatureEnabled(feature: {label: string}, state: GlobalState) {
-    return getBool(state, Constants.Preferences.CATEGORY_ADVANCED_SETTINGS, Constants.FeatureTogglePrefix + feature.label);
-}
-
 export function fillRecord<T>(value: T, length: number): Record<number, T> {
     const arr: Record<number, T> = {};
 

webapp/platform/types/src/config.ts

@@ -87,7 +87,6 @@ export type ClientConfig = {
     EnableOutgoingWebhooks: string;
     EnablePostIconOverride: string;
     EnablePostUsernameOverride: string;
-    EnablePreviewFeatures: string;
     EnablePreviewModeBanner: string;
     EnablePublicLink: string;
     EnableReliableWebSockets: string;
@@ -357,7 +356,6 @@ export type ServiceSettings = {
     EnableUserStatuses: boolean;
     ExperimentalEnableAuthenticationTransfer: boolean;
     ClusterLogTimeoutMilliseconds: number;
-    EnablePreviewFeatures: boolean;
     EnableTutorial: boolean;
     EnableOnboardingFlow: boolean;
     ExperimentalEnableDefaultChannelLeaveJoinMessages: boolean;