New Crowdin updates (#15716)

* New translations ja-jp.yml (Chinese Traditional)

* New translations ja-jp.yml (Chinese Simplified)

* New translations ja-jp.yml (Catalan)

* New translations ja-jp.yml (English)

* New translations ja-jp.yml (English)

* New translations ja-jp.yml (Chinese Traditional)

* New translations ja-jp.yml (Chinese Simplified)

* New translations ja-jp.yml (Italian)

locales/en-US.yml

@@ -301,6 +301,7 @@ uploadFromUrlMayTakeTime: "It may take some time until the upload is complete."
 explore: "Explore"
 messageRead: "Read"
 noMoreHistory: "There is no further history"
+startChat: "Start chat"
 nUsersRead: "read by {n}"
 agreeTo: "I agree to {0}"
 agree: "Agree"
@@ -1331,12 +1332,55 @@ emojiPalette: "Emoji palette"
 postForm: "Posting form"
 textCount: "Character count"
 information: "About"
+chat: "Chat"
+migrateOldSettings: "Migrate old client settings"
+migrateOldSettings_description: "This should be done automatically but if for some reason the migration was not successful, you can trigger the migration process yourself manually. The current configuration information will be overwritten."
+compress: "Compress"
 _chat:
+  noMessagesYet: "No messages yet"
+  newMessage: "New message"
+  individualChat: "Private Chat"
+  individualChat_description: "Have a private chat with another person."
+  roomChat: "Room Chat"
+  roomChat_description: "A chat room which can have multiple people.\nYou can also invite people who don't allow private chats if they accept the invite."
+  createRoom: "Create Room"
+  inviteUserToChat: "Invite users to start chatting"
+  yourRooms: "Created rooms"
+  joiningRooms: "Joined rooms"
   invitations: "Invite"
+  noInvitations: "No invitations"
+  history: "History"
   noHistory: "No history available"
+  noRooms: "No rooms found"
+  inviteUser: "Invite Users"
+  sentInvitations: "Sent Invites"
+  join: "Join"
+  ignore: "Ignore"
+  leave: "Leave room"
   members: "Members"
+  searchMessages: "Search messages"
   home: "Home"
   send: "Send"
+  newline: "New line"
+  muteThisRoom: "Mute room"
+  deleteRoom: "Delete room"
+  chatNotAvailableForThisAccountOrServer: "Chat is not enabled on this server or for this account."
+  chatNotAvailableInOtherAccount: "The chat function is disabled for the other user."
+  cannotChatWithTheUser: "Cannot start a chat with this user"
+  cannotChatWithTheUser_description: "Chat is either unavailable or the other party has not enabled chat."
+  chatWithThisUser: "Chat with user"
+  thisUserAllowsChatOnlyFromFollowers: "This user accepts chats from followers only."
+  thisUserAllowsChatOnlyFromFollowing: "This user accepts chats only from users they follow."
+  thisUserAllowsChatOnlyFromMutualFollowing: "This user only accepts chats from users who are mutual followers."
+  thisUserNotAllowedChatAnyone: "This user is not accepting chats from anyone."
+  chatAllowedUsers: "Who to allow chatting with"
+  chatAllowedUsers_note: "You can chat with anyone to whom you have sent a chat message regardless of this setting."
+  _chatAllowedUsers:
+    everyone: "Everyone"
+    followers: "Only your followers"
+    following: "Only users you are following"
+    mutual: "Mutual followers only"
+    none: "Nobody"
 _emojiPalette:
   palettes: "Palette"
   enableSyncBetweenDevicesForPalettes: "Enable palette sync between devices"
@@ -1362,6 +1406,12 @@ _settings:
   timelineAndNote: "Timeline and note"
   makeEveryTextElementsSelectable: "Make all text elements selectable"
   makeEveryTextElementsSelectable_description: "Enabling this may reduce usability in some situations."
+  showNavbarSubButtons: "Show sub-buttons on the navigation bar"
+  ifOn: "When turned on"
+  ifOff: "When turned off"
+  _chat:
+    showSenderName: "Show sender's name"
+    sendOnEnter: "Press Enter to send"
 _preferencesProfile:
   profileName: "Profile name"
   profileNameDescription: "Set a name that identifies this device."
@@ -1871,6 +1921,7 @@ _role:
     canImportFollowing: "Allow importing following"
     canImportMuting: "Allow importing muting"
     canImportUserLists: "Allow importing lists"
+    canChat: "Allow Chat"
   _condition:
     roleAssignedTo: "Assigned to manual roles"
     isLocal: "Local user"
@@ -2101,6 +2152,7 @@ _sfx:
   noteMy: "Own note"
   notification: "Notifications"
   reaction: "On choosing a reaction"
+  chatMessage: "Chat Messages"
 _soundSettings:
   driveFile: "Use an audio file in Drive."
   driveFileWarn: "Select an audio file from Drive."
@@ -2248,6 +2300,7 @@ _permissions:
   "read:federation": "Get federation data"
   "write:report-abuse": "Report violation"
   "write:chat": "Compose or delete chat messages"
+  "read:chat": "Browse Chat"
 _auth:
   shareAccessTitle: "Granting application permissions"
   shareAccess: "Would you like to authorize \"{name}\" to access this account?"
@@ -2496,6 +2549,7 @@ _notification:
   newNote: "New note"
   unreadAntennaNote: "Antenna {name}"
   roleAssigned: "Role given"
+  chatRoomInvitationReceived: "You have been invited to a chat room"
   emptyPushNotificationMessage: "Push notifications have been updated"
   achievementEarned: "Achievement unlocked"
   testNotification: "Test notification"
@@ -2524,6 +2578,7 @@ _notification:
     receiveFollowRequest: "Received follow requests"
     followRequestAccepted: "Accepted follow requests"
     roleAssigned: "Role given"
+    chatRoomInvitationReceived: "Invited to chat room"
     achievementEarned: "Achievement unlocked"
     exportCompleted: "The export has been completed"
     login: "Sign In"
@@ -2663,6 +2718,7 @@ _moderationLogTypes:
   deletePage: "Page deleted"
   deleteFlash: "Play deleted"
   deleteGalleryPost: "Gallery post deleted"
+  deleteChatRoom: "Deleted Chat Room"
   updateProxyAccountDescription: "Update the description of the proxy account"
 _fileViewer:
   title: "File details"