diff --git a/bot.go b/bot.go
index e3a9a41f..e7e3f695 100644
--- a/bot.go
+++ b/bot.go
@@ -1151,3 +1151,79 @@ func (b *Bot) Close() (bool, error) {
 
 	return resp.Result, nil
 }
+
+// BotInfo represents a single object of BotName, BotDescription, BotShortDescription instances.
+type BotInfo struct {
+	Name             string `json:"name,omitempty"`
+	Description      string `json:"description,omitempty"`
+	ShortDescription string `json:"short_description,omitempty"`
+}
+
+// SetMyName change's the bot name.
+func (b *Bot) SetMyName(name, language string) error {
+	params := map[string]string{
+		"name":          name,
+		"language_code": language,
+	}
+
+	_, err := b.Raw("setMyName", params)
+	return err
+}
+
+// MyName returns the current bot name for the given user language.
+func (b *Bot) MyName(language string) (*BotInfo, error) {
+	return b.botInfo(language, "getMyName")
+}
+
+// SetMyDescription change's the bot description, which is shown in the chat
+// with the bot if the chat is empty.
+func (b *Bot) SetMyDescription(desc, language string) error {
+	params := map[string]string{
+		"description":   desc,
+		"language_code": language,
+	}
+
+	_, err := b.Raw("setMyDescription", params)
+	return err
+}
+
+// MyDescription the current bot description for the given user language.
+func (b *Bot) MyDescription(language string) (*BotInfo, error) {
+	return b.botInfo(language, "getMyDescription")
+}
+
+// SetMyShortDescription change's the bot short description, which is shown on
+// the bot's profile page and is sent together with the link when users share the bot.
+func (b *Bot) SetMyShortDescription(desc, language string) error {
+	params := map[string]string{
+		"short_description": desc,
+		"language_code":     language,
+	}
+
+	_, err := b.Raw("setMyShortDescription", params)
+	return err
+}
+
+// MyShortDescription the current bot short description for the given user language.
+func (b *Bot) MyShortDescription(language string) (*BotInfo, error) {
+	return b.botInfo(language, "getMyShortDescription")
+}
+
+func (b *Bot) botInfo(language, key string) (*BotInfo, error) {
+	params := map[string]string{
+		"language_code": language,
+	}
+
+	data, err := b.Raw(key, params)
+	if err != nil {
+		return nil, err
+	}
+
+	var resp struct {
+		Result *BotInfo
+	}
+	if err := json.Unmarshal(data, &resp); err != nil {
+		return nil, wrapError(err)
+	}
+	return resp.Result, nil
+}
diff --git a/chat.go b/chat.go
index 74d6333b..19b93ffd 100644
--- a/chat.go
+++ b/chat.go
@@ -154,6 +154,9 @@ type ChatMemberUpdate struct {
 	// (Optional) InviteLink which was used by the user to
 	// join the chat; for joining by invite link events only.
 	InviteLink *ChatInviteLink `json:"invite_link"`
+
+	// (Optional) True, if the user joined the chat via a chat folder invite link.
+	ViaFolderLink bool `json:"via_chat_folder_invite_link"`
 }
 
 // Time returns the moment of the change in local time.
diff --git a/inline.go b/inline.go
index 2a889582..ecc20ffc 100644
--- a/inline.go
+++ b/inline.go
@@ -61,6 +61,46 @@ type QueryResponse struct {
 	// (Optional) Parameter for the start message sent to the bot when user
 	// presses the switch button.
 	SwitchPMParameter string `json:"switch_pm_parameter,omitempty"`
+
+	// (Optional) A JSON-serialized object describing a button to be shown
+	// above inline query results.
+	Button *QueryResponseButton `json:"button,omitempty"`
+}
+
+// QueryResponseButton represents a button to be shown above inline query results.
+// You must use exactly one of the optional fields.
+type QueryResponseButton struct {
+	// Label text on the button
+	Text string `json:"text"`
+
+	// (Optional) Description of the Web App that will be launched when the
+	// user presses the button. The Web App will be able to switch back to the
+	// inline mode using the method switchInlineQuery inside the Web App.
+	WebApp *WebApp `json:"web_app"`
+
+	// (Optional) Deep-linking parameter for the /start message sent to the bot
+	// when a user presses the button. 1-64 characters, only A-Z, a-z, 0-9, _ and - are allowed.
+	Start string `json:"start_parameter"`
+}
+
+// SwitchInlineQuery represents an inline button that switches the current
+// user to inline mode in a chosen chat, with an optional default inline query.
+type SwitchInlineQuery struct {
+	// (Optional) The default inline query to be inserted in the input field.
+	// If left empty, only the bot's username will be inserted.
+	Query string `json:"query"`
+
+	// (Optional) True, if private chats with users can be chosen.
+	AllowUserChats bool `json:"allow_user_chats"`
+
+	// (Optional) True, if private chats with bots can be chosen.
+	AllowBotChats bool `json:"allow_bot_chats"`
+
+	// (Optional) True, if group and supergroup chats can be chosen.
+	AllowGroupChats bool `json:"allow_group_chats"`
+
+	// (Optional) True, if channel chats can be chosen.
+	AllowChannelChats bool `json:"allow_channel_chats"`
 }
 
 // InlineResult represents a result of an inline query that was chosen
diff --git a/inline_types.go b/inline_types.go
index d93cffc2..e9205851 100644
--- a/inline_types.go
+++ b/inline_types.go
@@ -81,13 +81,13 @@ type ArticleResult struct {
 	Description string `json:"description,omitempty"`
 
 	// Optional. URL of the thumbnail for the result.
-	ThumbURL string `json:"thumb_url,omitempty"`
+	ThumbURL string `json:"thumbnail_url,omitempty"`
 
 	// Optional. Width of the thumbnail for the result.
-	ThumbWidth int `json:"thumb_width,omitempty"`
+	ThumbWidth int `json:"thumbnail_width,omitempty"`
 
 	// Optional. Height of the thumbnail for the result.
-	ThumbHeight int `json:"thumb_height,omitempty"`
+	ThumbHeight int `json:"thumbnail_height,omitempty"`
 }
 
 // AudioResult represents a link to an mp3 audio file.
@@ -130,13 +130,13 @@ type ContactResult struct {
 	LastName string `json:"last_name,omitempty"`
 
 	// Optional. URL of the thumbnail for the result.
-	ThumbURL string `json:"thumb_url,omitempty"`
+	ThumbURL string `json:"thumbnail_url,omitempty"`
 
 	// Optional. Width of the thumbnail for the result.
-	ThumbWidth int `json:"thumb_width,omitempty"`
+	ThumbWidth int `json:"thumbnail_width,omitempty"`
 
 	// Optional. Height of the thumbnail for the result.
-	ThumbHeight int `json:"thumb_height,omitempty"`
+	ThumbHeight int `json:"thumbnail_height,omitempty"`
 }
 
 // DocumentResult represents a link to a file.
@@ -160,13 +160,13 @@ type DocumentResult struct {
 	Description string `json:"description,omitempty"`
 
 	// Optional. URL of the thumbnail (jpeg only) for the file.
-	ThumbURL string `json:"thumb_url,omitempty"`
+	ThumbURL string `json:"thumbnail_url,omitempty"`
 
 	// Optional. Width of the thumbnail for the result.
-	ThumbWidth int `json:"thumb_width,omitempty"`
+	ThumbWidth int `json:"thumbnail_width,omitempty"`
 
 	// Optional. Height of the thumbnail for the result.
-	ThumbHeight int `json:"thumb_height,omitempty"`
+	ThumbHeight int `json:"thumbnail_height,omitempty"`
 
 	// If Cache != "", it'll be used instead
 	Cache string `json:"document_file_id,omitempty"`
@@ -189,11 +189,11 @@ type GifResult struct {
 	Duration int `json:"gif_duration,omitempty"`
 
 	// URL of the static thumbnail for the result (jpeg or gif).
-	ThumbURL string `json:"thumb_url"`
+	ThumbURL string `json:"thumbnail_url"`
 
 	// Optional. MIME type of the thumbnail, must be one of
 	// “image/jpeg”, “image/gif”, or “video/mp4”.
-	ThumbMIME string `json:"thumb_mime_type,omitempty"`
+	ThumbMIME string `json:"thumbnail_mime_type,omitempty"`
 
 	// Optional. Title for the result.
 	Title string `json:"title,omitempty"`
@@ -215,7 +215,7 @@ type LocationResult struct {
 	Title string `json:"title"`
 
 	// Optional. Url of the thumbnail for the result.
-	ThumbURL string `json:"thumb_url,omitempty"`
+	ThumbURL string `json:"thumbnail_url,omitempty"`
 }
 
 // Mpeg4GifResult represents a link to a video animation
@@ -236,11 +236,11 @@ type Mpeg4GifResult struct {
 	Duration int `json:"mpeg4_duration,omitempty"`
 
 	// URL of the static thumbnail (jpeg or gif) for the result.
-	ThumbURL string `json:"thumb_url,omitempty"`
+	ThumbURL string `json:"thumbnail_url,omitempty"`
 
 	// Optional. MIME type of the thumbnail, must be one of
 	// “image/jpeg”, “image/gif”, or “video/mp4”.
-	ThumbMIME string `json:"thumb_mime_type,omitempty"`
+	ThumbMIME string `json:"thumbnail_mime_type,omitempty"`
 
 	// Optional. Title for the result.
 	Title string `json:"title,omitempty"`
@@ -276,7 +276,7 @@ type PhotoResult struct {
 	Caption string `json:"caption,omitempty"`
 
 	// URL of the thumbnail for the photo.
-	ThumbURL string `json:"thumb_url"`
+	ThumbURL string `json:"thumbnail_url"`
 
 	// If Cache != "", it'll be used instead
 	Cache string `json:"photo_file_id,omitempty"`
@@ -298,13 +298,13 @@ type VenueResult struct {
 	FoursquareID string `json:"foursquare_id,omitempty"`
 
 	// Optional. URL of the thumbnail for the result.
-	ThumbURL string `json:"thumb_url,omitempty"`
+	ThumbURL string `json:"thumbnail_url,omitempty"`
 
 	// Optional. Width of the thumbnail for the result.
-	ThumbWidth int `json:"thumb_width,omitempty"`
+	ThumbWidth int `json:"thumbnail_width,omitempty"`
 
 	// Optional. Height of the thumbnail for the result.
-	ThumbHeight int `json:"thumb_height,omitempty"`
+	ThumbHeight int `json:"thumbnail_height,omitempty"`
 }
 
 // VideoResult represents a link to a page containing an embedded
@@ -319,7 +319,7 @@ type VideoResult struct {
 	MIME string `json:"mime_type"`
 
 	// URL of the thumbnail (jpeg only) for the video.
-	ThumbURL string `json:"thumb_url"`
+	ThumbURL string `json:"thumbnail_url"`
 
 	// Title for the result.
 	Title string `json:"title"`
diff --git a/layout/example.yml b/layout/example.yml
index a7f9c795..0c6ce001 100644
--- a/layout/example.yml
+++ b/layout/example.yml
@@ -72,5 +72,5 @@ results:
     id: '{{ .ID }}'
     title: '{{ .Title }}'
     description: '{{ .Description }}'
-    thumb_url: '{{ .PreviewURL }}'
+    thumbnail_url: '{{ .PreviewURL }}'
     message_text: '{{ text `article_message` }}'
diff --git a/markup.go b/markup.go
index 29236db3..82d43e0f 100644
--- a/markup.go
+++ b/markup.go
@@ -271,13 +271,14 @@ type InlineButton struct {
 	// It will be used as a callback endpoint.
 	Unique string `json:"unique,omitempty"`
 
-	Text            string  `json:"text"`
-	URL             string  `json:"url,omitempty"`
-	Data            string  `json:"callback_data,omitempty"`
-	InlineQuery     string  `json:"switch_inline_query,omitempty"`
-	InlineQueryChat string  `json:"switch_inline_query_current_chat"`
-	Login           *Login  `json:"login_url,omitempty"`
-	WebApp          *WebApp `json:"web_app,omitempty"`
+	Text                  string             `json:"text"`
+	URL                   string             `json:"url,omitempty"`
+	Data                  string             `json:"callback_data,omitempty"`
+	InlineQuery           string             `json:"switch_inline_query,omitempty"`
+	InlineQueryChat       string             `json:"switch_inline_query_current_chat"`
+	InlineQueryChosenChat *SwitchInlineQuery `json:"switch_inline_query_chosen_chat,omitempty"`
+	Login                 *Login             `json:"login_url,omitempty"`
+	WebApp                *WebApp            `json:"web_app,omitempty"`
 }
 
 // MarshalJSON implements json.Marshaler interface.
diff --git a/media.go b/media.go
index d161aa58..cdfc3b45 100644
--- a/media.go
+++ b/media.go
@@ -19,7 +19,7 @@ type InputMedia struct {
 	Type                 string   `json:"type"`
 	Media                string   `json:"media"`
 	Caption              string   `json:"caption"`
-	Thumbnail            string   `json:"thumb,omitempty"`
+	Thumbnail            string   `json:"thumbnail,omitempty"`
 	ParseMode            string   `json:"parse_mode,omitempty"`
 	Entities             Entities `json:"caption_entities,omitempty"`
 	Width                int      `json:"width,omitempty"`
@@ -113,7 +113,7 @@ type Audio struct {
 
 	// (Optional)
 	Caption   string `json:"caption,omitempty"`
-	Thumbnail *Photo `json:"thumb,omitempty"`
+	Thumbnail *Photo `json:"thumbnail,omitempty"`
 	Title     string `json:"title,omitempty"`
 	Performer string `json:"performer,omitempty"`
 	MIME      string `json:"mime_type,omitempty"`
@@ -145,7 +145,7 @@ type Document struct {
 	File
 
 	// (Optional)
-	Thumbnail            *Photo `json:"thumb,omitempty"`
+	Thumbnail            *Photo `json:"thumbnail,omitempty"`
 	Caption              string `json:"caption,omitempty"`
 	MIME                 string `json:"mime_type"`
 	FileName             string `json:"file_name,omitempty"`
@@ -179,7 +179,7 @@ type Video struct {
 
 	// (Optional)
 	Caption   string `json:"caption,omitempty"`
-	Thumbnail *Photo `json:"thumb,omitempty"`
+	Thumbnail *Photo `json:"thumbnail,omitempty"`
 	Streaming bool   `json:"supports_streaming,omitempty"`
 	MIME      string `json:"mime_type,omitempty"`
 	FileName  string `json:"file_name,omitempty"`
@@ -215,7 +215,7 @@ type Animation struct {
 
 	// (Optional)
 	Caption   string `json:"caption,omitempty"`
-	Thumbnail *Photo `json:"thumb,omitempty"`
+	Thumbnail *Photo `json:"thumbnail,omitempty"`
 	MIME      string `json:"mime_type,omitempty"`
 	FileName  string `json:"file_name,omitempty"`
 }
@@ -265,7 +265,7 @@ type VideoNote struct {
 	Duration int `json:"duration"`
 
 	// (Optional)
-	Thumbnail *Photo `json:"thumb,omitempty"`
+	Thumbnail *Photo `json:"thumbnail,omitempty"`
 	Length    int    `json:"length,omitempty"`
 }
 
@@ -284,13 +284,16 @@ type Sticker struct {
 	Height           int            `json:"height"`
 	Animated         bool           `json:"is_animated"`
 	Video            bool           `json:"is_video"`
-	Thumbnail        *Photo         `json:"thumb"`
+	Thumbnail        *Photo         `json:"thumbnail"`
 	Emoji            string         `json:"emoji"`
 	SetName          string         `json:"set_name"`
 	MaskPosition     *MaskPosition  `json:"mask_position"`
 	PremiumAnimation *File          `json:"premium_animation"`
 	Type             StickerSetType `json:"type"`
 	CustomEmoji      string         `json:"custom_emoji_id"`
+	Repaint          bool           `json:"needs_repainting"`
+	Emojis           []string       `json:"emoji_list"`
+	Keywords         []string       `json:"keywords"`
 }
 
 func (s *Sticker) MediaType() string {
@@ -301,6 +304,12 @@ func (s *Sticker) MediaFile() *File {
 	return &s.File
 }
 
+func (s *Sticker) InputMedia() InputMedia {
+	return InputMedia{
+		Type: s.MediaType(),
+	}
+}
+
 // Contact object represents a contact to Telegram user.
 type Contact struct {
 	PhoneNumber string `json:"phone_number"`
diff --git a/sendable.go b/sendable.go
index ecaae7fe..4d7d9a5e 100644
--- a/sendable.go
+++ b/sendable.go
@@ -115,6 +115,7 @@ func (d *Document) Send(b *Bot, to Recipient, opt *SendOptions) (*Message, error
 func (s *Sticker) Send(b *Bot, to Recipient, opt *SendOptions) (*Message, error) {
 	params := map[string]string{
 		"chat_id": to.Recipient(),
+		"emoji":   s.Emoji,
 	}
 	b.embedSendOptions(params, opt)
 
@@ -401,7 +402,7 @@ func (g *Game) Send(b *Bot, to Recipient, opt *SendOptions) (*Message, error) {
 
 func thumbnailToFilemap(thumb *Photo) map[string]File {
 	if thumb != nil {
-		return map[string]File{"thumb": thumb.File}
+		return map[string]File{"thumbnail": thumb.File}
 	}
 	return nil
 }
diff --git a/stickers.go b/stickers.go
index 3e0a6264..1824207c 100644
--- a/stickers.go
+++ b/stickers.go
@@ -2,6 +2,7 @@ package telebot
 
 import (
 	"encoding/json"
+	"fmt"
 	"strconv"
 )
 
@@ -13,21 +14,29 @@ const (
 	StickerCustomEmoji = "custom_emoji"
 )
 
+type StickerSetFormat = string
+
+const (
+	StickerStatic   = "static"
+	StickerAnimated = "animated"
+	StickerVideo    = "video"
+)
+
 // StickerSet represents a sticker set.
 type StickerSet struct {
-	Type          StickerSetType `json:"sticker_type"`
-	Name          string         `json:"name"`
-	Title         string         `json:"title"`
-	Animated      bool           `json:"is_animated"`
-	Video         bool           `json:"is_video"`
-	Stickers      []Sticker      `json:"stickers"`
-	Thumbnail     *Photo         `json:"thumb"`
-	PNG           *File          `json:"png_sticker"`
-	TGS           *File          `json:"tgs_sticker"`
-	WebM          *File          `json:"webm_sticker"`
-	Emojis        string         `json:"emojis"`
-	ContainsMasks bool           `json:"contains_masks"` // FIXME: can be removed
-	MaskPosition  *MaskPosition  `json:"mask_position"`
+	Type          StickerSetType   `json:"sticker_type"`
+	Format        StickerSetFormat `json:"sticker_format"`
+	Name          string           `json:"name"`
+	Title         string           `json:"title"`
+	Animated      bool             `json:"is_animated"`
+	Video         bool             `json:"is_video"`
+	Stickers      []Sticker        `json:"stickers"`
+	Sticker       Sticker          `json:"sticker"`
+	Thumbnail     *Photo           `json:"thumbnail"`
+	Emojis        string           `json:"emojis"`
+	ContainsMasks bool             `json:"contains_masks"` // FIXME: can be removed
+	MaskPosition  *MaskPosition    `json:"mask_position"`
+	Repaint       bool             `json:"needs_repainting"`
 }
 
 // MaskPosition describes the position on faces where
@@ -50,12 +59,14 @@ const (
 )
 
 // UploadSticker uploads a PNG file with a sticker for later use.
-func (b *Bot) UploadSticker(to Recipient, png *File) (*File, error) {
+func (b *Bot) UploadSticker(to Recipient, s StickerSet) (*File, error) {
 	files := map[string]File{
-		"png_sticker": *png,
+		"sticker": s.Sticker.File,
 	}
+
 	params := map[string]string{
-		"user_id": to.Recipient(),
+		"user_id":        to.Recipient(),
+		"sticker_format": s.Format,
 	}
 
 	data, err := b.sendFiles("uploadStickerFile", files, params)
@@ -91,55 +102,55 @@ func (b *Bot) StickerSet(name string) (*StickerSet, error) {
 // CreateStickerSet creates a new sticker set.
 func (b *Bot) CreateStickerSet(to Recipient, s StickerSet) error {
 	files := make(map[string]File)
-	if s.PNG != nil {
-		files["png_sticker"] = *s.PNG
-	}
-	if s.TGS != nil {
-		files["tgs_sticker"] = *s.TGS
-	}
-	if s.WebM != nil {
-		files["webm_sticker"] = *s.WebM
+	for i, sticker := range s.Stickers {
+		key := fmt.Sprint("sticker", i)
+		files[key] = sticker.File
 	}
 
-	params := map[string]string{
-		"user_id":        to.Recipient(),
-		"sticker_type":   s.Type,
-		"name":           s.Name,
-		"title":          s.Title,
-		"emojis":         s.Emojis,
-		"contains_masks": strconv.FormatBool(s.ContainsMasks),
+	data, err := json.Marshal(s.Stickers)
+	if err != nil {
+		return err
 	}
 
-	if s.MaskPosition != nil {
-		data, _ := json.Marshal(&s.MaskPosition)
-		params["mask_position"] = string(data)
+	params := map[string]string{
+		"user_id":          to.Recipient(),
+		"name":             s.Name,
+		"title":            s.Title,
+		"sticker_type":     s.Type,
+		"sticker_format":   s.Format,
+		"stickers":         string(data),
+		"needs_repainting": strconv.FormatBool(s.Repaint),
 	}
 
-	_, err := b.sendFiles("createNewStickerSet", files, params)
+	_, err = b.sendFiles("createNewStickerSet", files, params)
 	return err
 }
 
-// AddSticker adds a new sticker to the existing sticker set.
-func (b *Bot) AddSticker(to Recipient, s StickerSet) error {
-	files := make(map[string]File)
-	if s.PNG != nil {
-		files["png_sticker"] = *s.PNG
-	} else if s.TGS != nil {
-		files["tgs_sticker"] = *s.TGS
-	} else if s.WebM != nil {
-		files["webm_sticker"] = *s.WebM
-	}
+// AddStickerToSet adds a new sticker to the existing sticker set.
+func (b *Bot) AddStickerToSet(to Recipient, s StickerSet) error {
+	var (
+		files   = make(map[string]File)
+		sticker = s.Sticker
+	)
+	files["sticker"] = sticker.File
 
 	params := map[string]string{
 		"user_id": to.Recipient(),
 		"name":    s.Name,
-		"emojis":  s.Emojis,
 	}
 
+	if sticker.Emojis != nil {
+		data, _ := json.Marshal(s.Emojis)
+		params["emoji_list"] = string(data)
+	}
 	if s.MaskPosition != nil {
-		data, _ := json.Marshal(&s.MaskPosition)
+		data, _ := json.Marshal(s.MaskPosition)
 		params["mask_position"] = string(data)
 	}
+	if sticker.Keywords != nil {
+		data, _ := json.Marshal(sticker.Keywords)
+		params["keywords"] = string(data)
+	}
 
 	_, err := b.sendFiles("addStickerToSet", files, params)
 	return err
@@ -171,21 +182,92 @@ func (b *Bot) DeleteSticker(sticker string) error {
 // up to 32 kilobytes in size.
 //
 // Animated sticker set thumbnail can't be uploaded via HTTP URL.
-//
 func (b *Bot) SetStickerSetThumb(to Recipient, s StickerSet) error {
-	files := make(map[string]File)
-	if s.PNG != nil {
-		files["thumb"] = *s.PNG
-	} else if s.TGS != nil {
-		files["thumb"] = *s.TGS
+	var (
+		sticker = s.Sticker
+		files   = make(map[string]File)
+	)
+	files["thumbnail"] = sticker.File
+
+	data, err := json.Marshal(sticker.File)
+	if err != nil {
+		return err
 	}
 
 	params := map[string]string{
-		"name":    s.Name,
-		"user_id": to.Recipient(),
+		"name":      s.Name,
+		"user_id":   to.Recipient(),
+		"thumbnail": string(data),
 	}
 
-	_, err := b.sendFiles("setStickerSetThumb", files, params)
+	_, err = b.sendFiles("setStickerSetThumbnail", files, params)
+	return err
+}
+
+// SetStickerSetTitle sets the title of a created sticker set.
+func (b *Bot) SetStickerSetTitle(s StickerSet) error {
+	params := map[string]string{
+		"name":  s.Name,
+		"title": s.Title,
+	}
+
+	_, err := b.Raw("setStickerSetTitle", params)
+	return err
+}
+
+// DeleteStickerSet deletes a sticker set that was created by the bot.
+func (b *Bot) DeleteStickerSet(name string) error {
+	params := map[string]string{"name": name}
+
+	_, err := b.Raw("deleteStickerSet", params)
+	return err
+}
+
+// SetStickerEmojiList changes the list of emoji assigned to a regular or custom emoji sticker.
+func (b *Bot) SetStickerEmojiList(sticker string, emojis []string) error {
+	data, err := json.Marshal(emojis)
+	if err != nil {
+		return err
+	}
+
+	params := map[string]string{
+		"sticker":    sticker,
+		"emoji_list": string(data),
+	}
+
+	_, err = b.Raw("setStickerEmojiList", params)
+	return err
+}
+
+// SetStickerKeywords changes search keywords assigned to a regular or custom emoji sticker.
+func (b *Bot) SetStickerKeywords(sticker string, keywords []string) error {
+	mk, err := json.Marshal(keywords)
+	if err != nil {
+		return err
+	}
+
+	params := map[string]string{
+		"sticker":  sticker,
+		"keywords": string(mk),
+	}
+
+	_, err = b.Raw("setStickerKeywords", params)
+	return err
+}
+
+// SetStickerMaskPosition changes the mask position of a mask sticker.
+func (b *Bot) SetStickerMaskPosition(sticker string, mask MaskPosition) error {
+	data, err := json.Marshal(mask)
+	if err != nil {
+		return err
+	}
+
+	params := map[string]string{
+		"sticker":       sticker,
+		"mask_position": string(data),
+	}
+
+	_, err = b.Raw("setStickerMaskPosition", params)
 	return err
 }
 
@@ -210,3 +292,14 @@ func (b *Bot) CustomEmojiStickers(ids []string) ([]Sticker, error) {
 	}
 	return resp.Result, nil
 }
+
+// SetCustomEmojiStickerSetThumb sets the thumbnail of a custom emoji sticker set.
+func (b *Bot) SetCustomEmojiStickerSetThumb(name, id string) error {
+	params := map[string]string{
+		"name":            name,
+		"custom_emoji_id": id,
+	}
+
+	_, err := b.Raw("setCustomEmojiStickerSetThumbnail", params)
+	return err
+}