Merge branch 'develop'

52 files changed, 479 insertions, 304 deletions

diff --git a/src/client/app/admin/views/instance.vue b/src/client/app/admin/views/instance.vue
index 72ae3384b5..588b24f6b5 100644
--- a/src/client/app/admin/views/instance.vue
+++ b/src/client/app/admin/views/instance.vue
@@ -9,11 +9,11 @@
 			<ui-input v-model="iconUrl"><template #icon><fa icon="link"/></template>{{ $t('icon-url') }}</ui-input>
 			<ui-input v-model="mascotImageUrl"><template #icon><fa icon="link"/></template>{{ $t('logo-url') }}</ui-input>
 			<ui-input v-model="bannerUrl"><template #icon><fa icon="link"/></template>{{ $t('banner-url') }}</ui-input>
-			<ui-input v-model="errorImageUrl"><template #icon><fa icon="link"/></template>{{ $t('error-image-url') }}</ui-input>
 			<ui-input v-model="ToSUrl"><template #icon><fa icon="link"/></template>{{ $t('tos-url') }}</ui-input>
-			<ui-input v-model="languages"><template #icon><fa icon="language"/></template>{{ $t('languages') }}<template #desc>{{ $t('languages-desc') }}</template></ui-input>
 			<details>
 				<summary>{{ $t('advanced-config') }}</summary>
+				<ui-input v-model="errorImageUrl"><template #icon><fa icon="link"/></template>{{ $t('error-image-url') }}</ui-input>
+				<ui-input v-model="languages"><template #icon><fa icon="language"/></template>{{ $t('languages') }}<template #desc>{{ $t('languages-desc') }}</template></ui-input>
 				<ui-input v-model="repositoryUrl"><template #icon><fa icon="link"/></template>{{ $t('repository-url') }}</ui-input>
 				<ui-input v-model="feedbackUrl"><template #icon><fa icon="link"/></template>{{ $t('feedback-url') }}</ui-input>
 			</details>
@@ -159,6 +159,7 @@
 			<ui-switch v-model="enableRecaptcha">{{ $t('enable-recaptcha') }}</ui-switch>
 			<template v-if="enableRecaptcha">
 				<ui-info>{{ $t('recaptcha-info') }}</ui-info>
+				<ui-info warn>{{ $t('recaptcha-info2') }}</ui-info>
 				<ui-horizon-group inputs>
 					<ui-input v-model="recaptchaSiteKey" :disabled="!enableRecaptcha"><template #icon><fa icon="key"/></template>{{ $t('recaptcha-site-key') }}</ui-input>
 					<ui-input v-model="recaptchaSecretKey" :disabled="!enableRecaptcha"><template #icon><fa icon="key"/></template>{{ $t('recaptcha-secret-key') }}</ui-input>
diff --git a/src/client/app/admin/views/logs.vue b/src/client/app/admin/views/logs.vue
index 5c2cfdb396..cb54318187 100644
--- a/src/client/app/admin/views/logs.vue
+++ b/src/client/app/admin/views/logs.vue
@@ -26,6 +26,8 @@
 					</details>
 				</code>
 			</div>
+
+			<ui-button @click="deleteAll()">{{ $t('delete-all') }}</ui-button>
 		</section>
 	</ui-card>
 </div>
@@ -78,6 +80,15 @@ export default Vue.extend({
 			}).then(logs => {
 				this.logs = logs.reverse();
 			});
+		},
+
+		deleteAll() {
+			this.$root.api('admin/delete-logs').then(() => {
+				this.$root.dialog({
+					type: 'success',
+					splash: true
+				});
+			});
 		}
 	}
 });
diff --git a/src/client/app/common/views/components/dialog.vue b/src/client/app/common/views/components/dialog.vue
index 9f38031d62..a577da5a21 100644
--- a/src/client/app/common/views/components/dialog.vue
+++ b/src/client/app/common/views/components/dialog.vue
@@ -98,7 +98,7 @@ export default Vue.extend({
 		return {
 			inputValue: this.input && this.input.default ? this.input.default : null,
 			userInputValue: null,
-			selectedValue: null,
+			selectedValue: this.select ? this.select.items ? this.select.items[0].value : this.select.groupedItems[0].items[0].value : null,
 			faTimesCircle, faQuestionCircle
 		};
 	},
diff --git a/src/client/app/common/views/components/messaging-room.vue b/src/client/app/common/views/components/messaging-room.vue
index 658dc93f64..d5fa4143a0 100644
--- a/src/client/app/common/views/components/messaging-room.vue
+++ b/src/client/app/common/views/components/messaging-room.vue
@@ -300,17 +300,13 @@ export default Vue.extend({
 
 <style lang="stylus" scoped>
 .mk-messaging-room
-	display flex
-	flex 1
-	flex-direction column
-	height 100%
 	background var(--messagingRoomBg)
 
 	> .body
 		width 100%
 		max-width 600px
 		margin 0 auto
-		flex 1
+		min-height calc(100% - 103px)
 
 		> .init,
 		> .empty
diff --git a/src/client/app/common/views/components/messaging.vue b/src/client/app/common/views/components/messaging.vue
index cdd35ee8ab..b21104bf9a 100644
--- a/src/client/app/common/views/components/messaging.vue
+++ b/src/client/app/common/views/components/messaging.vue
@@ -46,7 +46,7 @@
 			</div>
 		</a>
 	</div>
-	<p class="no-history" v-if="!fetching && (messages.length == 0 && groupMessages.length == 0)">{{ $t('no-history') }}</p>
+	<p class="no-history" v-if="!fetching && messages.length == 0">{{ $t('no-history') }}</p>
 	<p class="fetching" v-if="fetching"><fa icon="spinner" pulse fixed-width/>{{ $t('@.loading') }}<mk-ellipsis/></p>
 	<ui-margin>
 		<ui-button @click="startUser()"><fa :icon="faUser"/> {{ $t('start-with-user') }}</ui-button>
diff --git a/src/client/app/common/views/components/mfm.ts b/src/client/app/common/views/components/mfm.ts
index 9459172881..7de29b2aad 100644
--- a/src/client/app/common/views/components/mfm.ts
+++ b/src/client/app/common/views/components/mfm.ts
@@ -8,7 +8,7 @@ import { concat, sum } from '../../../../../prelude/array';
 import MkFormula from './formula.vue';
 import MkCode from './code.vue';
 import MkGoogle from './google.vue';
-import { host } from '../../../config';
+import { host, url } from '../../../config';
 import { preorderF, countNodesF } from '../../../../../prelude/tree';
 
 function sumTextsLength(ts: MfmForest): number {
@@ -175,7 +175,9 @@ export default Vue.component('misskey-flavored-markdown', {
 						props: {
 							url: token.node.props.url,
 							rel: 'nofollow noopener',
-							target: '_blank'
+							...(token.node.props.url.startsWith(url) ? {} : {
+								target: '_blank'
+							})
 						},
 						attrs: {
 							style: 'color:var(--mfmUrl);'
diff --git a/src/client/app/common/views/components/reaction-picker.vue b/src/client/app/common/views/components/reaction-picker.vue
index 461e7c9090..970d430069 100644
--- a/src/client/app/common/views/components/reaction-picker.vue
+++ b/src/client/app/common/views/components/reaction-picker.vue
@@ -16,7 +16,7 @@
 			<button @click="react('pudding')" @mouseover="onMouseover" @mouseout="onMouseout" tabindex="10" :title="$t('@.reactions.pudding')" v-particle><mk-reaction-icon reaction="pudding"/></button>
 		</div>
 		<div v-if="enableEmojiReaction" class="text">
-			<input v-model="text" placeholder="または絵文字を入力" @keyup.enter="reactText" @input="tryReactText" v-autocomplete="{ model: 'text' }">
+			<input v-model="text" :placeholder="$t('input-reaction-placeholder')" @keyup.enter="reactText" @input="tryReactText" v-autocomplete="{ model: 'text' }">
 		</div>
 	</div>
 </div>
diff --git a/src/client/app/common/views/components/url-preview.vue b/src/client/app/common/views/components/url-preview.vue
index 9ca4497ad8..6e0d73eef5 100644
--- a/src/client/app/common/views/components/url-preview.vue
+++ b/src/client/app/common/views/components/url-preview.vue
@@ -9,7 +9,7 @@
 	</blockquote>
 </div>
 <div v-else class="mk-url-preview">
-	<a :class="{ mini: narrow, compact }" :href="url" rel="nofollow noopener" target="_blank" :title="url" v-if="!fetching">
+	<component :is="self ? 'router-link' : 'a'" :class="{ mini: narrow, compact }" :[attr]="self ? url.substr(local.length) : url" rel="nofollow noopener" :target="self ? null : '_blank'" :title="url" v-if="!fetching">
 		<div class="thumbnail" v-if="thumbnail" :style="`background-image: url('${thumbnail}')`">
 			<button v-if="!playerEnabled && player.url" @click.prevent="playerEnabled = true" :title="$t('enable-player')"><fa :icon="['far', 'play-circle']"/></button>
 		</div>
@@ -23,17 +23,18 @@
 				<p :title="sitename">{{ sitename }}</p>
 			</footer>
 		</article>
-	</a>
+	</component>
 </div>
 </template>
 
 <script lang="ts">
 import Vue from 'vue';
 import i18n from '../../../i18n';
-import { url as misskeyUrl } from '../../../config';
+import { url as local } from '../../../config';
 
 export default Vue.extend({
 	i18n: i18n('common/views/components/url-preview.vue'),
+
 	props: {
 		url: {
 			type: String,
@@ -74,7 +75,9 @@ export default Vue.extend({
 			},
 			tweetUrl: null,
 			playerEnabled: false,
-			misskeyUrl,
+			local,
+			self: this.url.startsWith(local),
+			attr: this.url.startsWith(local) ? 'to' : 'href'
 		};
 	},
 
diff --git a/src/client/app/common/views/components/url.vue b/src/client/app/common/views/components/url.vue
index faf439814d..2829812f99 100644
--- a/src/client/app/common/views/components/url.vue
+++ b/src/client/app/common/views/components/url.vue
@@ -1,29 +1,35 @@
 <template>
-<a class="mk-url" :href="url" :rel="rel" :target="target">
-	<span class="schema">{{ schema }}//</span>
-	<span class="hostname">{{ hostname }}</span>
-	<span class="port" v-if="port != ''">:{{ port }}</span>
-	<span class="pathname" v-if="pathname != ''">{{ pathname }}</span>
+<component :is="self ? 'router-link' : 'a'" class="mk-url" :[attr]="self ? url.substr(local.length) : url" :rel="rel" :target="target">
+	<template v-if="!self">
+		<span class="schema">{{ schema }}//</span>
+		<span class="hostname">{{ hostname }}</span>
+		<span class="port" v-if="port != ''">:{{ port }}</span>
+	</template>
+	<span class="pathname" v-if="pathname != ''">{{ self ? pathname.substr(1) : pathname }}</span>
 	<span class="query">{{ query }}</span>
 	<span class="hash">{{ hash }}</span>
-	<fa icon="external-link-square-alt"/>
-</a>
+	<fa icon="external-link-square-alt" v-if="!self"/>
+</component>
 </template>
 
 <script lang="ts">
 import Vue from 'vue';
 import { toUnicode as decodePunycode } from 'punycode';
+import { url as local } from '../../../config';
 
 export default Vue.extend({
 	props: ['url', 'rel', 'target'],
 	data() {
 		return {
+			local,
 			schema: null,
 			hostname: null,
 			port: null,
 			pathname: null,
 			query: null,
-			hash: null
+			hash: null,
+			self: this.url.startsWith(local),
+			attr: this.url.startsWith(local) ? 'to' : 'href'
 		};
 	},
 	created() {
diff --git a/src/client/app/common/views/deck/deck.user-column.home.vue b/src/client/app/common/views/deck/deck.user-column.home.vue
index ad05d6548b..c30cb397e4 100644
--- a/src/client/app/common/views/deck/deck.user-column.home.vue
+++ b/src/client/app/common/views/deck/deck.user-column.home.vue
@@ -30,7 +30,7 @@
 	<ui-container>
 		<template #header><fa :icon="['far', 'comment-alt']"/> {{ $t('timeline') }}</template>
 		<div>
-			<x-notes ref="timeline" :pagination="pagination" @inited="() => $emit('loaded')"/>
+			<x-notes ref="timeline" :pagination="pagination" @inited="() => $emit('loaded')" :key="user.id"/>
 		</div>
 	</ui-container>
 </div>
diff --git a/src/client/app/common/views/pages/follow-requests.vue b/src/client/app/common/views/pages/follow-requests.vue
index 146d4b0c94..e5b6e2902d 100644
--- a/src/client/app/common/views/pages/follow-requests.vue
+++ b/src/client/app/common/views/pages/follow-requests.vue
@@ -22,6 +22,7 @@
 import Vue from 'vue';
 import i18n from '../../../i18n';
 import Progress from '../../scripts/loading';
+import { faUserClock } from '@fortawesome/free-solid-svg-icons';
 
 export default Vue.extend({
 	i18n: i18n('common/views/pages/follow-requests.vue'),
@@ -31,6 +32,12 @@ export default Vue.extend({
 			requests: []
 		};
 	},
+	created() {
+		this.$emit('init', {
+			title: this.$t('received-follow-requests'),
+			icon: faUserClock
+		});
+	},
 	mounted() {
 		Progress.start();
 		this.$root.api('following/requests/list').then(requests => {
diff --git a/src/client/app/common/views/components/page-editor/els/page-editor.el.button.vue b/src/client/app/common/views/pages/page-editor/els/page-editor.el.button.vue
index f89279f05a..f89279f05a 100644
--- a/src/client/app/common/views/components/page-editor/els/page-editor.el.button.vue
+++ b/src/client/app/common/views/pages/page-editor/els/page-editor.el.button.vue
diff --git a/src/client/app/common/views/components/page-editor/els/page-editor.el.counter.vue b/src/client/app/common/views/pages/page-editor/els/page-editor.el.counter.vue
index 95c15b01b2..95c15b01b2 100644
--- a/src/client/app/common/views/components/page-editor/els/page-editor.el.counter.vue
+++ b/src/client/app/common/views/pages/page-editor/els/page-editor.el.counter.vue
diff --git a/src/client/app/common/views/components/page-editor/els/page-editor.el.if.vue b/src/client/app/common/views/pages/page-editor/els/page-editor.el.if.vue
index c83cd421ae..c83cd421ae 100644
--- a/src/client/app/common/views/components/page-editor/els/page-editor.el.if.vue
+++ b/src/client/app/common/views/pages/page-editor/els/page-editor.el.if.vue
diff --git a/src/client/app/common/views/components/page-editor/els/page-editor.el.image.vue b/src/client/app/common/views/pages/page-editor/els/page-editor.el.image.vue
index 98ec39a512..e2e72b04c2 100644
--- a/src/client/app/common/views/components/page-editor/els/page-editor.el.image.vue
+++ b/src/client/app/common/views/pages/page-editor/els/page-editor.el.image.vue
@@ -19,7 +19,7 @@ import { faPencilAlt } from '@fortawesome/free-solid-svg-icons';
 import { faImage, faFolderOpen } from '@fortawesome/free-regular-svg-icons';
 import i18n from '../../../../../i18n';
 import XContainer from '../page-editor.container.vue';
-import XFileThumbnail from '../../drive-file-thumbnail.vue';
+import XFileThumbnail from '../../../components/drive-file-thumbnail.vue';
 
 export default Vue.extend({
 	i18n: i18n('pages'),
diff --git a/src/client/app/common/views/components/page-editor/els/page-editor.el.number-input.vue b/src/client/app/common/views/pages/page-editor/els/page-editor.el.number-input.vue
index 30c3938111..30c3938111 100644
--- a/src/client/app/common/views/components/page-editor/els/page-editor.el.number-input.vue
+++ b/src/client/app/common/views/pages/page-editor/els/page-editor.el.number-input.vue
diff --git a/src/client/app/common/views/components/page-editor/els/page-editor.el.post.vue b/src/client/app/common/views/pages/page-editor/els/page-editor.el.post.vue
index fc2f5f9032..fc2f5f9032 100644
--- a/src/client/app/common/views/components/page-editor/els/page-editor.el.post.vue
+++ b/src/client/app/common/views/pages/page-editor/els/page-editor.el.post.vue
diff --git a/src/client/app/common/views/components/page-editor/els/page-editor.el.section.vue b/src/client/app/common/views/pages/page-editor/els/page-editor.el.section.vue
index c20f824e23..c20f824e23 100644
--- a/src/client/app/common/views/components/page-editor/els/page-editor.el.section.vue
+++ b/src/client/app/common/views/pages/page-editor/els/page-editor.el.section.vue
diff --git a/src/client/app/common/views/components/page-editor/els/page-editor.el.switch.vue b/src/client/app/common/views/pages/page-editor/els/page-editor.el.switch.vue
index 174a344640..174a344640 100644
--- a/src/client/app/common/views/components/page-editor/els/page-editor.el.switch.vue
+++ b/src/client/app/common/views/pages/page-editor/els/page-editor.el.switch.vue
diff --git a/src/client/app/common/views/components/page-editor/els/page-editor.el.text-input.vue b/src/client/app/common/views/pages/page-editor/els/page-editor.el.text-input.vue
index 50f95fd205..50f95fd205 100644
--- a/src/client/app/common/views/components/page-editor/els/page-editor.el.text-input.vue
+++ b/src/client/app/common/views/pages/page-editor/els/page-editor.el.text-input.vue
diff --git a/src/client/app/common/views/components/page-editor/els/page-editor.el.text.vue b/src/client/app/common/views/pages/page-editor/els/page-editor.el.text.vue
index c09f9cc1cf..c09f9cc1cf 100644
--- a/src/client/app/common/views/components/page-editor/els/page-editor.el.text.vue
+++ b/src/client/app/common/views/pages/page-editor/els/page-editor.el.text.vue
diff --git a/src/client/app/common/views/components/page-editor/els/page-editor.el.textarea-input.vue b/src/client/app/common/views/pages/page-editor/els/page-editor.el.textarea-input.vue
index da3eead080..da3eead080 100644
--- a/src/client/app/common/views/components/page-editor/els/page-editor.el.textarea-input.vue
+++ b/src/client/app/common/views/pages/page-editor/els/page-editor.el.textarea-input.vue
diff --git a/src/client/app/common/views/components/page-editor/els/page-editor.el.textarea.vue b/src/client/app/common/views/pages/page-editor/els/page-editor.el.textarea.vue
index a0cc1966e8..a0cc1966e8 100644
--- a/src/client/app/common/views/components/page-editor/els/page-editor.el.textarea.vue
+++ b/src/client/app/common/views/pages/page-editor/els/page-editor.el.textarea.vue
diff --git a/src/client/app/common/views/components/page-editor/page-editor.blocks.vue b/src/client/app/common/views/pages/page-editor/page-editor.blocks.vue
index c5f3419e7b..c5f3419e7b 100644
--- a/src/client/app/common/views/components/page-editor/page-editor.blocks.vue
+++ b/src/client/app/common/views/pages/page-editor/page-editor.blocks.vue
diff --git a/src/client/app/common/views/components/page-editor/page-editor.container.vue b/src/client/app/common/views/pages/page-editor/page-editor.container.vue
index a3a501afb4..a3a501afb4 100644
--- a/src/client/app/common/views/components/page-editor/page-editor.container.vue
+++ b/src/client/app/common/views/pages/page-editor/page-editor.container.vue
diff --git a/src/client/app/common/views/components/page-editor/page-editor.script-block.vue b/src/client/app/common/views/pages/page-editor/page-editor.script-block.vue
index faecaf61fa..faecaf61fa 100644
--- a/src/client/app/common/views/components/page-editor/page-editor.script-block.vue
+++ b/src/client/app/common/views/pages/page-editor/page-editor.script-block.vue
diff --git a/src/client/app/common/views/components/page-editor/page-editor.vue b/src/client/app/common/views/pages/page-editor/page-editor.vue
index a3f69ea5c3..ebe0f4688d 100644
--- a/src/client/app/common/views/components/page-editor/page-editor.vue
+++ b/src/client/app/common/views/pages/page-editor/page-editor.vue
@@ -11,7 +11,7 @@
 		</header>
 
 		<section>
-			<a class="view" v-if="pageId" :href="`/@${ author.username }/pages/${ currentName }`" target="_blank"><fa :icon="faExternalLinkSquareAlt"/> {{ $t('view-page') }}</a>
+			<router-link class="view" v-if="pageId" :to="`/@${ author.username }/pages/${ currentName }`"><fa :icon="faExternalLinkSquareAlt"/> {{ $t('view-page') }}</router-link>
 
 			<ui-input v-model="title">
 				<span>{{ $t('title') }}</span>
@@ -111,20 +111,25 @@ export default Vue.extend({
 	},
 
 	props: {
-		page: {
-			type: Object,
+		initPageId: {
+			type: String,
 			required: false
 		},
-		readonly: {
-			type: Boolean,
-			required: false,
-			default: false
+		initPageName: {
+			type: String,
+			required: false
+		},
+		initUser: {
+			type: String,
+			required: false
 		},
 	},
 
 	data() {
 		return {
 			author: this.$store.state.i,
+			readonly: false,
+			page: null,
 			pageId: null,
 			currentName: null,
 			title: '',
@@ -156,7 +161,7 @@ export default Vue.extend({
 		},
 	},
 
-	created() {
+	async created() {
 		this.aiScript = new ASTypeChecker();
 
 		this.$watch('variables', () => {
@@ -167,6 +172,18 @@ export default Vue.extend({
 			this.aiScript.pageVars = collectPageVars(this.content);
 		}, { deep: true });
 
+		if (this.initPageId) {
+			this.page = await this.$root.api('pages/show', {
+				pageId: this.initPageId,
+			});
+		} else if (this.initPageName && this.initUser) {
+			this.page = await this.$root.api('pages/show', {
+				name: this.initPageName,
+				username: this.initUser,
+			});
+			this.readonly = true;
+		}
+
 		if (this.page) {
 			this.author = this.page.user;
 			this.pageId = this.page.id;
diff --git a/src/client/app/common/views/pages/page/page.text.vue b/src/client/app/common/views/pages/page/page.text.vue
index eadc6f0aed..326fd39050 100644
--- a/src/client/app/common/views/pages/page/page.text.vue
+++ b/src/client/app/common/views/pages/page/page.text.vue
@@ -1,11 +1,15 @@
 <template>
-<div class="">
+<div class="mrdgzndn">
 	<mfm :text="text" :is-note="false" :i="$store.state.i" :key="text"/>
+
+	<mk-url-preview v-for="url in urls" :url="url" :key="url" class="url"/>
 </div>
 </template>
 
 <script lang="ts">
 import Vue from 'vue';
+import { parse } from '../../../../../../mfm/parse';
+import { unique } from '../../../../../../prelude/array';
 
 export default Vue.extend({
 	props: {
@@ -23,6 +27,20 @@ export default Vue.extend({
 		};
 	},
 
+	computed: {
+		urls(): string[] {
+			if (this.text) {
+				const ast = parse(this.text);
+				// TODO: 再帰的にURL要素がないか調べる
+				return unique(ast
+					.filter(t => ((t.node.type == 'url' || t.node.type == 'link') && t.node.props.url && !t.node.props.silent))
+					.map(t => t.node.props.url));
+			} else {
+				return [];
+			}
+		}
+	},
+
 	created() {
 		this.$watch('script.vars', () => {
 			this.text = this.script.interpolate(this.value.text);
@@ -32,4 +50,13 @@ export default Vue.extend({
 </script>
 
 <style lang="stylus" scoped>
+.mrdgzndn
+	&:not(:first-child)
+		margin-top 0.5em
+
+	&:not(:last-child)
+		margin-bottom 0.5em
+
+	> .url
+		margin 0.5em 0
 </style>
diff --git a/src/client/app/common/views/pages/page/page.vue b/src/client/app/common/views/pages/page/page.vue
index d3fb948c85..7938d706b9 100644
--- a/src/client/app/common/views/pages/page/page.vue
+++ b/src/client/app/common/views/pages/page/page.vue
@@ -25,7 +25,7 @@
 import Vue from 'vue';
 import i18n from '../../../../i18n';
 import { faHeart as faHeartS } from '@fortawesome/free-solid-svg-icons';
-import { faHeart } from '@fortawesome/free-regular-svg-icons';
+import { faHeart, faStickyNote } from '@fortawesome/free-regular-svg-icons';
 import XBlock from './page.block.vue';
 import { ASEvaluator } from '../../../../../../misc/aiscript/evaluator';
 import { collectPageVars } from '../../../scripts/collect-page-vars';
@@ -91,6 +91,10 @@ export default Vue.extend({
 			username: this.username,
 		}).then(page => {
 			this.page = page;
+			this.$emit('init', {
+				title: this.page.title,
+				icon: faStickyNote
+			});
 			const pageVars = this.getPageVars();
 			this.script = new Script(new ASEvaluator(this.page.variables, pageVars, {
 				randomSeed: Math.random(),
@@ -148,8 +152,8 @@ export default Vue.extend({
 		> .title
 			z-index 1
 			margin 0
-			padding 32px 64px
-			font-size 24px
+			padding 16px 32px
+			font-size 20px
 			font-weight bold
 			color var(--text)
 			box-shadow 0 var(--lineWidth) rgba(#000, 0.07)
@@ -158,28 +162,40 @@ export default Vue.extend({
 				padding 16px 32px
 				font-size 20px
 
+			@media (max-width 400px)
+				padding 10px 20px
+				font-size 16px
+
 	> div
 		color var(--text)
-		padding 48px 64px
-		font-size 18px
+		padding 24px 32px
+		font-size 16px
 
 		@media (max-width 600px)
 			padding 24px 32px
 			font-size 16px
 
+		@media (max-width 400px)
+			padding 20px 20px
+			font-size 15px
+
 	> footer
 		color var(--text)
-		padding 0 64px 38px 64px
+		padding 0 32px 28px 32px
 
 		@media (max-width 600px)
 			padding 0 32px 28px 32px
 
+		@media (max-width 400px)
+			padding 0 20px 20px 20px
+			font-size 14px
+
 		> small
 			display block
 			opacity 0.5
 
 		> a
-			font-size 14px
+			font-size 90%
 
 		> a + a
 			margin-left 8px
diff --git a/src/client/app/common/views/pages/user-group-editor.vue b/src/client/app/common/views/pages/user-group-editor.vue
index ef79689ae8..9cc012af7a 100644
--- a/src/client/app/common/views/pages/user-group-editor.vue
+++ b/src/client/app/common/views/pages/user-group-editor.vue
@@ -7,6 +7,7 @@
 			<ui-margin>
 				<ui-button @click="rename"><fa :icon="faICursor"/> {{ $t('rename') }}</ui-button>
 				<ui-button @click="del"><fa :icon="faTrashAlt"/> {{ $t('delete') }}</ui-button>
+				<ui-button @click="transfer"><fa :icon="faCrown"/> {{ $t('transfer') }}</ui-button>
 			</ui-margin>
 		</section>
 	</ui-container>
@@ -28,9 +29,10 @@
 					<div>
 						<header>
 							<b><mk-user-name :user="user"/></b>
+							<span class="is-owner" v-if="group.ownerId === user.id">owner</span>
 							<span class="username">@{{ user | acct }}</span>
 						</header>
-						<div>
+						<div v-if="group.ownerId !== user.id">
 							<a @click="remove(user)">{{ $t('remove-user') }}</a>
 						</div>
 					</div>
@@ -44,7 +46,7 @@
 <script lang="ts">
 import Vue from 'vue';
 import i18n from '../../../i18n';
-import { faICursor, faUsers, faPlus } from '@fortawesome/free-solid-svg-icons';
+import { faCrown, faICursor, faUsers, faPlus } from '@fortawesome/free-solid-svg-icons';
 import { faTrashAlt } from '@fortawesome/free-regular-svg-icons';
 
 export default Vue.extend({
@@ -60,7 +62,7 @@ export default Vue.extend({
 		return {
 			group: null,
 			users: [],
-			faICursor, faTrashAlt, faUsers, faPlus
+			faCrown, faICursor, faTrashAlt, faUsers, faPlus
 		};
 	},
 
@@ -78,6 +80,14 @@ export default Vue.extend({
 	},
 
 	methods: {
+		fetchGroup() {
+			this.$root.api('users/groups/show', {
+				groupId: this.group.id
+			}).then(group => {
+				this.group = group;
+			})
+		},
+
 		fetchUsers() {
 			this.$root.api('users/show', {
 				userIds: this.group.userIds
@@ -97,8 +107,15 @@ export default Vue.extend({
 				this.$root.api('users/groups/update', {
 					groupId: this.group.id,
 					name: name
+				}).then(() => {
+					this.fetchGroup();
+				}).catch(e => {
+					this.$root.dialog({
+						type: 'error',
+						text: e
+					});
 				});
-			});
+			})
 		},
 
 		del() {
@@ -130,7 +147,13 @@ export default Vue.extend({
 				groupId: this.group.id,
 				userId: user.id
 			}).then(() => {
+				this.fetchGroup();
 				this.fetchUsers();
+			}).catch(e => {
+				this.$root.dialog({
+					type: 'error',
+					text: e
+				});
 			});
 		},
 
@@ -150,6 +173,43 @@ export default Vue.extend({
 					type: 'success',
 					text: t
 				});
+			}).catch(e => {
+				this.$root.dialog({
+					type: 'error',
+					text: e
+				});
+			});
+		},
+
+		async transfer() {
+			const { result: user } = await this.$root.dialog({
+				user: {
+					local: true
+				}
+			});
+			if (user == null) return;
+
+			this.$root.dialog({
+				type: 'warning',
+				text: this.$t('transfer-are-you-sure').replace('$1', this.group.name).replace('$2', user.username),
+				showCancelButton: true
+			}).then(({ canceled }) => {
+				if (canceled) return;
+
+				this.$root.api('users/groups/transfer', {
+					groupId: this.group.id,
+					userId: user.id
+				}).then(() => {
+					this.$root.dialog({
+						type: 'success',
+						text: this.$t('transferred')
+					});
+				}).catch(e => {
+					this.$root.dialog({
+						type: 'error',
+						text: e
+					});
+				});
 			});
 		}
 	}
@@ -179,6 +239,16 @@ export default Vue.extend({
 			> header
 				color var(--text)
 
+				> .is-owner
+					flex-shrink 0
+					align-self center
+					margin-left 8px
+					padding 1px 6px
+					font-size 80%
+					background var(--groupUserListOwnerBg)
+					color var(--groupUserListOwnerFg)
+					border-radius 3px
+
 				> .username
 					margin-left 8px
 					opacity 0.7
diff --git a/src/client/app/common/views/pages/user-groups.vue b/src/client/app/common/views/pages/user-groups.vue
index f5609d690d..a51a5f723f 100644
--- a/src/client/app/common/views/pages/user-groups.vue
+++ b/src/client/app/common/views/pages/user-groups.vue
@@ -103,6 +103,10 @@ export default Vue.extend({
 				});
 				this.$root.api('i/user-group-invites').then(invites => {
 					this.invites = invites;
+				}).then(() => {
+					this.$root.api('users/groups/joined').then(groups => {
+						this.joinedGroups = groups;
+					});
 				});
 			});
 		},
diff --git a/src/client/app/desktop/script.ts b/src/client/app/desktop/script.ts
index 845f8ee5c0..ce0b96e0ac 100644
--- a/src/client/app/desktop/script.ts
+++ b/src/client/app/desktop/script.ts
@@ -146,6 +146,7 @@ init(async (launch, os) => {
 					{ path: '/i/lists/:listId', component: DeckColumn, props: route => ({ component: () => import('../common/views/pages/user-list-editor.vue').then(m => m.default), listId: route.params.listId }) },
 					{ path: '/i/groups', component: DeckColumn, props: route => ({ component: () => import('../common/views/pages/user-groups.vue').then(m => m.default) }) },
 					{ path: '/i/groups/:groupId', component: DeckColumn, props: route => ({ component: () => import('../common/views/pages/user-group-editor.vue').then(m => m.default), groupId: route.params.groupId }) },
+					{ path: '/i/follow-requests', component: DeckColumn, props: route => ({ component: () => import('../common/views/pages/follow-requests.vue').then(m => m.default) }) },
 				]}
 				: { path: '/', component: MkHome, children: [
 					{ path: '', name: 'index', component: MkHomeTimeline },
@@ -167,11 +168,15 @@ init(async (launch, os) => {
 					{ path: '/i/groups', component: () => import('../common/views/pages/user-groups.vue').then(m => m.default) },
 					{ path: '/i/groups/:groupId', props: true, component: () => import('../common/views/pages/user-group-editor.vue').then(m => m.default) },
 					{ path: '/i/follow-requests', component: () => import('../common/views/pages/follow-requests.vue').then(m => m.default) },
+					{ path: '/i/pages/new', component: () => import('../common/views/pages/page-editor/page-editor.vue').then(m => m.default) },
+					{ path: '/i/pages/edit/:pageId', component: () => import('../common/views/pages/page-editor/page-editor.vue').then(m => m.default), props: route => ({ initPageId: route.params.pageId }) },
+					{ path: '/@:user/pages/:page', component: () => import('../common/views/pages/page/page.vue').then(m => m.default), props: route => ({ pageName: route.params.page, username: route.params.user }) },
+					{ path: '/@:user/pages/:pageName/view-source', component: () => import('../common/views/pages/page-editor/page-editor.vue').then(m => m.default), props: route => ({ initUser: route.params.user, initPageName: route.params.pageName }) },
 				]},
-			{ path: '/@:user/pages/:page', props: true, component: () => import('./views/pages/page.vue').then(m => m.default) },
-			{ path: '/@:user/pages/:pageName/view-source', props: true, component: () => import('./views/pages/page-editor.vue').then(m => m.default) },
-			{ path: '/i/pages/new', component: () => import('./views/pages/page-editor.vue').then(m => m.default) },
-			{ path: '/i/pages/edit/:pageId', props: true, component: () => import('./views/pages/page-editor.vue').then(m => m.default) },
+			{ path: '/i/pages/new', component: () => import('../common/views/pages/page-editor/page-editor.vue').then(m => m.default) },
+			{ path: '/i/pages/edit/:pageId', component: () => import('../common/views/pages/page-editor/page-editor.vue').then(m => m.default), props: route => ({ initPageId: route.params.pageId }) },
+			{ path: '/@:user/pages/:page', component: () => import('../common/views/pages/page/page.vue').then(m => m.default), props: route => ({ pageName: route.params.page, username: route.params.user }) },
+			{ path: '/@:user/pages/:pageName/view-source', component: () => import('../common/views/pages/page-editor/page-editor.vue').then(m => m.default), props: route => ({ initUser: route.params.user, initPageName: route.params.pageName }) },
 			{ path: '/i/messaging/group/:group', component: MkMessagingRoom },
 			{ path: '/i/messaging/:user', component: MkMessagingRoom },
 			{ path: '/i/drive', component: MkDrive },
diff --git a/src/client/app/desktop/views/pages/page-editor.vue b/src/client/app/desktop/views/pages/page-editor.vue
deleted file mode 100644
index 35b4008e4f..0000000000
--- a/src/client/app/desktop/views/pages/page-editor.vue
+++ /dev/null
@@ -1,67 +0,0 @@
-<template>
-<mk-ui>
-	<main>
-		<x-page-editor v-if="page !== undefined" :page="page" :readonly="readonly"/>
-	</main>
-</mk-ui>
-</template>
-
-<script lang="ts">
-import Vue from 'vue';
-
-export default Vue.extend({
-	components: {
-		XPageEditor: () => import('../../../common/views/components/page-editor/page-editor.vue').then(m => m.default)
-	},
-
-	props: {
-		pageId: {
-			type: String,
-			required: false
-		},
-		pageName: {
-			type: String,
-			required: false
-		},
-		user: {
-			type: String,
-			required: false
-		}
-	},
-
-	data() {
-		return {
-			page: undefined,
-			readonly: false
-		};
-	},
-
-	created() {
-		if (this.pageId) {
-			this.$root.api('pages/show', {
-				pageId: this.pageId,
-			}).then(page => {
-				this.page = page;
-			});
-		} else if (this.pageName && this.user) {
-			this.$root.api('pages/show', {
-				name: this.pageName,
-				username: this.user,
-			}).then(page => {
-				this.readonly = true;
-				this.page = page;
-			});
-		} else {
-			this.page = null;
-		}
-	}
-});
-</script>
-
-<style lang="stylus" scoped>
-main
-	margin 0 auto
-	padding 16px
-	max-width 900px
-
-</style>
diff --git a/src/client/app/desktop/views/pages/page.vue b/src/client/app/desktop/views/pages/page.vue
deleted file mode 100644
index 1ddff08c76..0000000000
--- a/src/client/app/desktop/views/pages/page.vue
+++ /dev/null
@@ -1,36 +0,0 @@
-<template>
-<mk-ui>
-	<main>
-		<x-page :page-name="page" :username="user"/>
-	</main>
-</mk-ui>
-</template>
-
-<script lang="ts">
-import Vue from 'vue';
-
-export default Vue.extend({
-	components: {
-		XPage: () => import('../../../common/views/pages/page/page.vue').then(m => m.default)
-	},
-
-	props: {
-		page: {
-			type: String,
-			required: true
-		},
-		user: {
-			type: String,
-			required: true
-		},
-	}
-});
-</script>
-
-<style lang="stylus" scoped>
-main
-	margin 0 auto
-	padding 16px
-	max-width 950px
-
-</style>
diff --git a/src/client/app/mobile/script.ts b/src/client/app/mobile/script.ts
index 7a80f21759..d04662cc1f 100644
--- a/src/client/app/mobile/script.ts
+++ b/src/client/app/mobile/script.ts
@@ -128,6 +128,7 @@ init((launch, os) => {
 					{ path: '/i/lists/:listId', component: DeckColumn, props: route => ({ component: () => import('../common/views/pages/user-list-editor.vue').then(m => m.default), listId: route.params.listId }) },
 					{ path: '/i/groups', component: DeckColumn, props: route => ({ component: () => import('../common/views/pages/user-groups.vue').then(m => m.default) }) },
 					{ path: '/i/groups/:groupId', component: DeckColumn, props: route => ({ component: () => import('../common/views/pages/user-group-editor.vue').then(m => m.default), groupId: route.params.groupId }) },
+					{ path: '/i/follow-requests', component: DeckColumn, props: route => ({ component: () => import('../common/views/pages/follow-requests.vue').then(m => m.default) }) },
 				]}]
 			: [
 				{ path: '/', name: 'index', component: MkIndex },
@@ -148,8 +149,8 @@ init((launch, os) => {
 			{ path: '/i/drive', name: 'drive', component: MkDrive },
 			{ path: '/i/drive/folder/:folder', component: MkDrive },
 			{ path: '/i/drive/file/:file', component: MkDrive },
-			{ path: '/i/pages/new', component: () => import('./views/pages/page-editor.vue').then(m => m.default) },
-			{ path: '/i/pages/edit/:pageId', props: true, component: () => import('./views/pages/page-editor.vue').then(m => m.default) },
+			{ path: '/i/pages/new', component: UI, props: route => ({ component: () => import('../common/views/pages/page-editor/page-editor.vue').then(m => m.default) }) },
+			{ path: '/i/pages/edit/:pageId', component: UI, props: route => ({ component: () => import('../common/views/pages/page-editor/page-editor.vue').then(m => m.default), initPageId: route.params.pageId }) },
 			{ path: '/selectdrive', component: MkSelectDrive },
 			{ path: '/search', component: MkSearch },
 			{ path: '/tags/:tag', component: MkTag },
@@ -162,8 +163,8 @@ init((launch, os) => {
 				{ path: 'following', component: () => import('../common/views/pages/following.vue').then(m => m.default) },
 				{ path: 'followers', component: () => import('../common/views/pages/followers.vue').then(m => m.default) },
 			]},
-			{ path: '/@:user/pages/:page', props: true, component: () => import('./views/pages/page.vue').then(m => m.default) },
-			{ path: '/@:user/pages/:pageName/view-source', props: true, component: () => import('./views/pages/page-editor.vue').then(m => m.default) },
+			{ path: '/@:user/pages/:page', component: UI, props: route => ({ component: () => import('../common/views/pages/page/page.vue').then(m => m.default), pageName: route.params.page, username: route.params.user }) },
+			{ path: '/@:user/pages/:pageName/view-source', component: UI, props: route => ({ component: () => import('../common/views/pages/page-editor/page-editor.vue').then(m => m.default), initUser: route.params.user, initPageName: route.params.pageName }) },
 			{ path: '/notes/:note', component: MkNote },
 			{ path: '/authorize-follow', component: MkFollow },
 			{ path: '*', component: MkNotFound }
diff --git a/src/client/app/mobile/views/components/notification.vue b/src/client/app/mobile/views/components/notification.vue
index 62df76cba5..9dae95c9b1 100644
--- a/src/client/app/mobile/views/components/notification.vue
+++ b/src/client/app/mobile/views/components/notification.vue
@@ -5,7 +5,7 @@
 		<div>
 			<header>
 				<mk-reaction-icon :reaction="notification.reaction"/>
-				<router-link :to="notification.user | userPage"><mk-user-name :user="notification.user"/></router-link>
+				<router-link class="name" :to="notification.user | userPage"><mk-user-name :user="notification.user"/></router-link>
 				<mk-time :time="notification.createdAt"/>
 			</header>
 			<router-link class="note-ref" :to="notification.note | notePage" :title="getNoteSummary(notification.note)">
@@ -21,7 +21,7 @@
 		<div>
 			<header>
 				<fa icon="retweet"/>
-				<router-link :to="notification.user | userPage"><mk-user-name :user="notification.user"/></router-link>
+				<router-link class="name" :to="notification.user | userPage"><mk-user-name :user="notification.user"/></router-link>
 				<mk-time :time="notification.createdAt"/>
 			</header>
 			<router-link class="note-ref" :to="notification.note | notePage" :title="getNoteSummary(notification.note.renote)">
@@ -37,7 +37,7 @@
 		<div>
 			<header>
 				<fa icon="user-plus"/>
-				<router-link :to="notification.user | userPage"><mk-user-name :user="notification.user"/></router-link>
+				<router-link class="name" :to="notification.user | userPage"><mk-user-name :user="notification.user"/></router-link>
 				<mk-time :time="notification.createdAt"/>
 			</header>
 		</div>
@@ -48,7 +48,7 @@
 		<div>
 			<header>
 				<fa icon="user-clock"/>
-				<router-link :to="notification.user | userPage"><mk-user-name :user="notification.user"/></router-link>
+				<router-link class="name" :to="notification.user | userPage"><mk-user-name :user="notification.user"/></router-link>
 				<mk-time :time="notification.createdAt"/>
 			</header>
 		</div>
@@ -59,7 +59,7 @@
 		<div>
 			<header>
 				<fa icon="chart-pie"/>
-				<router-link :to="notification.user | userPage"><mk-user-name :user="notification.user"/></router-link>
+				<router-link class="name" :to="notification.user | userPage"><mk-user-name :user="notification.user"/></router-link>
 				<mk-time :time="notification.createdAt"/>
 			</header>
 			<router-link class="note-ref" :to="notification.note | notePage" :title="getNoteSummary(notification.note)">
@@ -130,6 +130,12 @@ export default Vue.extend({
 				[data-icon], .mk-reaction-icon
 					margin-right 4px
 
+				> .name
+					text-overflow ellipsis
+					white-space nowrap
+					min-width 0
+					overflow hidden
+
 				> .mk-time
 					margin-left auto
 					color var(--noteHeaderInfo)
diff --git a/src/client/app/mobile/views/pages/page-editor.vue b/src/client/app/mobile/views/pages/page-editor.vue
deleted file mode 100644
index 0b04f25802..0000000000
--- a/src/client/app/mobile/views/pages/page-editor.vue
+++ /dev/null
@@ -1,67 +0,0 @@
-<template>
-<mk-ui>
-	<main>
-		<x-page-editor v-if="page !== undefined" :page="page" :readonly="readonly"/>
-	</main>
-</mk-ui>
-</template>
-
-<script lang="ts">
-import Vue from 'vue';
-
-export default Vue.extend({
-	components: {
-		XPageEditor: () => import('../../../common/views/components/page-editor/page-editor.vue').then(m => m.default)
-	},
-
-	props: {
-		pageId: {
-			type: String,
-			required: false
-		},
-		pageName: {
-			type: String,
-			required: false
-		},
-		user: {
-			type: String,
-			required: false
-		}
-	},
-
-	data() {
-		return {
-			page: undefined,
-			readonly: false
-		};
-	},
-
-	created() {
-		if (this.pageId) {
-			this.$root.api('pages/show', {
-				pageId: this.pageId,
-			}).then(page => {
-				this.page = page;
-			});
-		} else if (this.pageName && this.user) {
-			this.$root.api('pages/show', {
-				name: this.pageName,
-				username: this.user,
-			}).then(page => {
-				this.readonly = true;
-				this.page = page;
-			});
-		} else {
-			this.page = null;
-		}
-	}
-});
-</script>
-
-<style lang="stylus" scoped>
-main
-	margin 0 auto
-	padding 16px
-	max-width 1000px
-
-</style>
diff --git a/src/client/app/mobile/views/pages/page.vue b/src/client/app/mobile/views/pages/page.vue
deleted file mode 100644
index f494abffd7..0000000000
--- a/src/client/app/mobile/views/pages/page.vue
+++ /dev/null
@@ -1,39 +0,0 @@
-<template>
-<mk-ui>
-	<main>
-		<x-page :page-name="page" :username="user"/>
-	</main>
-</mk-ui>
-</template>
-
-<script lang="ts">
-import Vue from 'vue';
-
-export default Vue.extend({
-	components: {
-		XPage: () => import('../../../common/views/pages/page/page.vue').then(m => m.default)
-	},
-
-	props: {
-		page: {
-			type: String,
-			required: true
-		},
-		user: {
-			type: String,
-			required: true
-		},
-	}
-});
-</script>
-
-<style lang="stylus" scoped>
-main
-	margin 0 auto
-	padding 16px
-	max-width 1000px
-
-	@media (min-width 600px)
-		padding 32px
-
-</style>
diff --git a/src/client/themes/dark.json5 b/src/client/themes/dark.json5
index 8e0c726b4c..0665d59901 100644
--- a/src/client/themes/dark.json5
+++ b/src/client/themes/dark.json5
@@ -235,5 +235,8 @@
 
 		pageBlockBorder: 'rgba(255, 255, 255, 0.1)',
 		pageBlockBorderHover: 'rgba(255, 255, 255, 0.15)',
+
+		groupUserListOwnerFg: '#f15f71',
+		groupUserListOwnerBg: '#5d282e'
 	},
 }
diff --git a/src/client/themes/light.json5 b/src/client/themes/light.json5
index 1fff18176a..cbe456ca5d 100644
--- a/src/client/themes/light.json5
+++ b/src/client/themes/light.json5
@@ -235,5 +235,8 @@
 
 		pageBlockBorder: 'rgba(0, 0, 0, 0.1)',
 		pageBlockBorderHover: 'rgba(0, 0, 0, 0.15)',
+
+		groupUserListOwnerFg: '#f15f71',
+		groupUserListOwnerBg: '#ffdfdf'
 	},
 }
diff --git a/src/config/types.ts b/src/config/types.ts
index 7da9820f22..c35bc63573 100644
--- a/src/config/types.ts
+++ b/src/config/types.ts
@@ -14,6 +14,7 @@ export type Source = {
 		db: string;
 		user: string;
 		pass: string;
+		extra?: { [x: string]: string };
 	};
 	redis: {
 		host: string;
diff --git a/src/db/postgre.ts b/src/db/postgre.ts
index fcec68602f..8e2d585e99 100644
--- a/src/db/postgre.ts
+++ b/src/db/postgre.ts
@@ -93,8 +93,21 @@ export function initDb(justBorrow = false, sync = false, log = false) {
 		username: config.db.user,
 		password: config.db.pass,
 		database: config.db.db,
+		extra: config.db.extra,
 		synchronize: process.env.NODE_ENV === 'test' || sync,
 		dropSchema: process.env.NODE_ENV === 'test' && !justBorrow,
+		cache: {
+			type: 'redis',
+			options: {
+				host: config.redis.host,
+				port: config.redis.port,
+				options:{
+					auth_pass: config.redis.pass,
+					prefix: config.redis.prefix,
+					db: config.redis.db || 0
+				}
+			}
+		},
 		logging: log,
 		logger: log ? new MyCustomLogger() : undefined,
 		entities: [
diff --git a/src/models/repositories/user-group.ts b/src/models/repositories/user-group.ts
index 8bb1ae8330..38174ce235 100644
--- a/src/models/repositories/user-group.ts
+++ b/src/models/repositories/user-group.ts
@@ -21,6 +21,7 @@ export class UserGroupRepository extends Repository<UserGroup> {
 			id: userGroup.id,
 			createdAt: userGroup.createdAt.toISOString(),
 			name: userGroup.name,
+			ownerId: userGroup.userId,
 			userIds: users.map(x => x.userId)
 		};
 	}
@@ -48,6 +49,11 @@ export const packedUserGroupSchema = {
 			optional: bool.false, nullable: bool.false,
 			description: 'The name of the UserGroup.'
 		},
+		ownerId: {
+			type: types.string,
+			nullable: bool.false, optional: bool.false,
+			format: 'id',
+		},
 		userIds: {
 			type: types.array,
 			nullable: bool.false, optional: bool.true,
diff --git a/src/ormconfig.ts b/src/ormconfig.ts
index 91f33181f4..6b7297b2c3 100644
--- a/src/ormconfig.ts
+++ b/src/ormconfig.ts
@@ -8,6 +8,7 @@ const json = {
 	username: config.db.user,
 	password: config.db.pass,
 	database: config.db.db,
+	extra: config.db.extra,
 	entities: ['src/models/entities/*.ts'],
 	migrations: ['migration/*.ts'],
 	cli: {
diff --git a/src/server/api/endpoints/admin/delete-logs.ts b/src/server/api/endpoints/admin/delete-logs.ts
new file mode 100644
index 0000000000..26cf13c1f6
--- /dev/null
+++ b/src/server/api/endpoints/admin/delete-logs.ts
@@ -0,0 +1,13 @@
+import define from '../../define';
+import { Logs } from '../../../../models';
+
+export const meta = {
+	tags: ['admin'],
+
+	requireCredential: true,
+	requireModerator: true,
+};
+
+export default define(meta, async (ps) => {
+	await Logs.delete({});
+});
diff --git a/src/server/api/endpoints/hashtags/trend.ts b/src/server/api/endpoints/hashtags/trend.ts
index 05d571851e..53a3514718 100644
--- a/src/server/api/endpoints/hashtags/trend.ts
+++ b/src/server/api/endpoints/hashtags/trend.ts
@@ -59,6 +59,7 @@ export default define(meta, async () => {
 		.where(`note.createdAt > :date`, { date: new Date(Date.now() - rangeA) })
 		.andWhere(`note.tags != '{}'`)
 		.select(['note.tags', 'note.userId'])
+		.cache(60000) // 1 min
 		.getMany();
 
 	if (tagNotes.length === 0) {
@@ -108,6 +109,7 @@ export default define(meta, async () => {
 			.where(':tag = ANY(note.tags)', { tag: tag })
 			.andWhere('note.createdAt < :lt', { lt: new Date(Date.now() - (interval * i)) })
 			.andWhere('note.createdAt > :gt', { gt: new Date(Date.now() - (interval * (i + 1))) })
+			.cache(60000) // 1 min
 			.getRawOne()
 			.then(x => parseInt(x.count, 10))
 		)));
@@ -119,6 +121,7 @@ export default define(meta, async () => {
 		.select('count(distinct note.userId)')
 		.where(':tag = ANY(note.tags)', { tag: tag })
 		.andWhere('note.createdAt > :gt', { gt: new Date(Date.now() - (interval * range)) })
+		.cache(60000) // 1 min
 		.getRawOne()
 		.then(x => parseInt(x.count, 10))
 	));
diff --git a/src/server/api/endpoints/i/update-email.ts b/src/server/api/endpoints/i/update-email.ts
index d4b9721d82..56284499d3 100644
--- a/src/server/api/endpoints/i/update-email.ts
+++ b/src/server/api/endpoints/i/update-email.ts
@@ -1,15 +1,13 @@
 import $ from 'cafy';
 import { publishMainStream } from '../../../../services/stream';
 import define from '../../define';
-import * as nodemailer from 'nodemailer';
-import { fetchMeta } from '../../../../misc/fetch-meta';
 import rndstr from 'rndstr';
 import config from '../../../../config';
 import * as ms from 'ms';
 import * as bcrypt from 'bcryptjs';
-import { apiLogger } from '../../logger';
 import { Users, UserProfiles } from '../../../../models';
 import { ensure } from '../../../../prelude/ensure';
+import { sendEmail } from '../../../../services/send-email';
 
 export const meta = {
 	requireCredential: true,
@@ -63,36 +61,9 @@ export default define(meta, async (ps, user) => {
 			emailVerifyCode: code
 		});
 
-		const meta = await fetchMeta(true);
-
-		const enableAuth = meta.smtpUser != null && meta.smtpUser !== '';
-
-		const transporter = nodemailer.createTransport({
-			host: meta.smtpHost,
-			port: meta.smtpPort,
-			secure: meta.smtpSecure,
-			ignoreTLS: !enableAuth,
-			auth: enableAuth ? {
-				user: meta.smtpUser,
-				pass: meta.smtpPass
-			} : undefined
-		} as any);
-
 		const link = `${config.url}/verify-email/${code}`;
 
-		transporter.sendMail({
-			from: meta.email!,
-			to: ps.email,
-			subject: meta.name || 'Misskey',
-			text: `To verify email, please click this link: ${link}`
-		}, (error, info) => {
-			if (error) {
-				apiLogger.error(error);
-				return;
-			}
-
-			apiLogger.info('Message sent: %s', info.messageId);
-		});
+		sendEmail(ps.email, 'Email verification', `To verify email, please click this link: ${link}`);
 	}
 
 	return iObj;
diff --git a/src/server/api/endpoints/meta.ts b/src/server/api/endpoints/meta.ts
index 4f418c63c1..d18543f56a 100644
--- a/src/server/api/endpoints/meta.ts
+++ b/src/server/api/endpoints/meta.ts
@@ -94,7 +94,7 @@ export const meta = {
 export default define(meta, async (ps, me) => {
 	const instance = await fetchMeta(true);
 
-	const emojis = await Emojis.find({ host: null });
+	const emojis = await Emojis.find({ where: { host: null }, cache: 3600000 }); // 1 hour
 
 	const response: any = {
 		maintainerName: instance.maintainerName,
diff --git a/src/server/api/endpoints/stats.ts b/src/server/api/endpoints/stats.ts
index f85109b4b4..4dca62445f 100644
--- a/src/server/api/endpoints/stats.ts
+++ b/src/server/api/endpoints/stats.ts
@@ -57,10 +57,10 @@ export default define(meta, async () => {
 		driveUsageLocal,
 		driveUsageRemote
 	] = await Promise.all([
-		Notes.count(),
-		Notes.count({ userHost: null }),
-		Users.count(),
-		Users.count({ host: null }),
+		Notes.count({ cache: 3600000 }), // 1 hour
+		Notes.count({ where: { userHost: null }, cache: 3600000 }),
+		Users.count({ cache: 3600000 }),
+		Users.count({ where: { host: null }, cache: 3600000 }),
 		federationChart.getChart('hour', 1).then(chart => chart.instance.total[0]),
 		driveChart.getChart('hour', 1).then(chart => chart.local.totalSize[0]),
 		driveChart.getChart('hour', 1).then(chart => chart.remote.totalSize[0]),
diff --git a/src/server/api/endpoints/users/groups/transfer.ts b/src/server/api/endpoints/users/groups/transfer.ts
new file mode 100644
index 0000000000..b4284ab484
--- /dev/null
+++ b/src/server/api/endpoints/users/groups/transfer.ts
@@ -0,0 +1,93 @@
+import $ from 'cafy';
+import { ID } from '../../../../../misc/cafy-id';
+import define from '../../../define';
+import { ApiError } from '../../../error';
+import { getUser } from '../../../common/getters';
+import { UserGroups, UserGroupJoinings } from '../../../../../models';
+import { types, bool } from '../../../../../misc/schema';
+
+export const meta = {
+	desc: {
+		'ja-JP': '指定したユーザーグループを指定したユーザーグループ内のユーザーに譲渡します。',
+		'en-US': 'Transfer user group ownership to another user in group.'
+	},
+
+	tags: ['groups', 'users'],
+
+	requireCredential: true,
+
+	kind: 'write:user-groups',
+
+	params: {
+		groupId: {
+			validator: $.type(ID),
+		},
+
+		userId: {
+			validator: $.type(ID),
+			desc: {
+				'ja-JP': '対象のユーザーのID',
+				'en-US': 'Target user ID'
+			}
+		},
+	},
+
+	res: {
+		type: types.object,
+		optional: bool.false, nullable: bool.false,
+		ref: 'UserGroup',
+	},
+
+	errors: {
+		noSuchGroup: {
+			message: 'No such group.',
+			code: 'NO_SUCH_GROUP',
+			id: '8e31d36b-2f88-4ccd-a438-e2d78a9162db'
+		},
+
+		noSuchUser: {
+			message: 'No such user.',
+			code: 'NO_SUCH_USER',
+			id: '711f7ebb-bbb9-4dfa-b540-b27809fed5e9'
+		},
+
+		noSuchGroupMember: {
+			message: 'No such group member.',
+			code: 'NO_SUCH_GROUP_MEMBER',
+			id: 'd31bebee-196d-42c2-9a3e-9474d4be6cc4'
+		},
+	}
+};
+
+export default define(meta, async (ps, me) => {
+	// Fetch the group
+	const userGroup = await UserGroups.findOne({
+		id: ps.groupId,
+		userId: me.id,
+	});
+
+	if (userGroup == null) {
+		throw new ApiError(meta.errors.noSuchGroup);
+	}
+
+	// Fetch the user
+	const user = await getUser(ps.userId).catch(e => {
+		if (e.id === '15348ddd-432d-49c2-8a5a-8069753becff') throw new ApiError(meta.errors.noSuchUser);
+		throw e;
+	});
+
+	const joining = await UserGroupJoinings.findOne({
+		userGroupId: userGroup.id,
+		userId: user.id
+	});
+
+	if (joining == null) {
+		throw new ApiError(meta.errors.noSuchGroupMember);
+	}
+
+	await UserGroups.update(userGroup.id, {
+		userId: ps.userId
+	});
+
+	return await UserGroups.pack(userGroup.id);
+});
diff --git a/src/server/api/endpoints/users/groups/update.ts b/src/server/api/endpoints/users/groups/update.ts
new file mode 100644
index 0000000000..bc974621a3
--- /dev/null
+++ b/src/server/api/endpoints/users/groups/update.ts
@@ -0,0 +1,69 @@
+import $ from 'cafy';
+import { ID } from '../../../../../misc/cafy-id';
+import define from '../../../define';
+import { ApiError } from '../../../error';
+import { UserGroups } from '../../../../../models';
+import { types, bool } from '../../../../../misc/schema';
+
+export const meta = {
+	desc: {
+		'ja-JP': '指定したユーザーグループを更新します。',
+		'en-US': 'Update a user group'
+	},
+
+	tags: ['groups'],
+
+	requireCredential: true,
+
+	kind: 'write:user-groups',
+
+	params: {
+		groupId: {
+			validator: $.type(ID),
+			desc: {
+				'ja-JP': '対象となるユーザーグループのID',
+				'en-US': 'ID of target user group'
+			}
+		},
+
+		name: {
+			validator: $.str.range(1, 100),
+			desc: {
+				'ja-JP': 'このユーザーグループの名前',
+				'en-US': 'name of this user group'
+			}
+		}
+	},
+
+	res: {
+		type: types.object,
+		optional: bool.false, nullable: bool.false,
+		ref: 'UserGroup',
+	},
+
+	errors: {
+		noSuchGroup: {
+			message: 'No such group.',
+			code: 'NO_SUCH_GROUP',
+			id: '9081cda3-7a9e-4fac-a6ce-908d70f282f6'
+		},
+	}
+};
+
+export default define(meta, async (ps, me) => {
+	// Fetch the group
+	const userGroup = await UserGroups.findOne({
+		id: ps.groupId,
+		userId: me.id
+	});
+
+	if (userGroup == null) {
+		throw new ApiError(meta.errors.noSuchGroup);
+	}
+
+	await UserGroups.update(userGroup.id, {
+		name: ps.name
+	});
+
+	return await UserGroups.pack(userGroup.id);
+});
diff --git a/src/services/send-email.ts b/src/services/send-email.ts
new file mode 100644
index 0000000000..8818c5fcde
--- /dev/null
+++ b/src/services/send-email.ts
@@ -0,0 +1,36 @@
+import * as nodemailer from 'nodemailer';
+import { fetchMeta } from '../misc/fetch-meta';
+import Logger from './logger';
+
+export const logger = new Logger('email');
+
+export async function sendEmail(to: string, subject: string, text: string) {
+	const meta = await fetchMeta(true);
+
+	const enableAuth = meta.smtpUser != null && meta.smtpUser !== '';
+
+	const transporter = nodemailer.createTransport({
+		host: meta.smtpHost,
+		port: meta.smtpPort,
+		secure: meta.smtpSecure,
+		ignoreTLS: !enableAuth,
+		auth: enableAuth ? {
+			user: meta.smtpUser,
+			pass: meta.smtpPass
+		} : undefined
+	} as any);
+
+	try {
+		const info = await transporter.sendMail({
+			from: meta.email!,
+			to: to,
+			subject: subject || 'Misskey',
+			text: text
+		});
+
+		logger.info('Message sent: %s', info.messageId);
+	} catch (e) {
+		logger.error(e);
+		throw e;
+	}
+}