Update::filter_chat_join_request() seems to not be working.

[crabvk]

Using teloxide from tag v0.12.2, I've added some code to the buttons.rs example to test filter_chat_join_request:

diff --git a/crates/teloxide/examples/buttons.rs b/crates/teloxide/examples/buttons.rs
index 595189e6..c7f7b584 100644
--- a/crates/teloxide/examples/buttons.rs
+++ b/crates/teloxide/examples/buttons.rs
@@ -3,8 +3,8 @@ use teloxide::{
     payloads::SendMessageSetters,
     prelude::*,
     types::{
-        InlineKeyboardButton, InlineKeyboardMarkup, InlineQueryResultArticle, InputMessageContent,
-        InputMessageContentText, Me,
+        ChatJoinRequest, InlineKeyboardButton, InlineKeyboardMarkup, InlineQueryResultArticle,
+        InputMessageContent, InputMessageContentText, Me,
     },
     utils::command::BotCommands,
 };
@@ -28,7 +28,8 @@ async fn main() -> Result<(), Box<dyn Error>> {
     let handler = dptree::entry()
         .branch(Update::filter_message().endpoint(message_handler))
         .branch(Update::filter_callback_query().endpoint(callback_handler))
-        .branch(Update::filter_inline_query().endpoint(inline_query_handler));
+        .branch(Update::filter_inline_query().endpoint(inline_query_handler))
+        .branch(Update::filter_chat_join_request().endpoint(join_request_handler));
 
     Dispatcher::builder(bot, handler).enable_ctrlc_handler().build().dispatch().await;
     Ok(())
@@ -126,3 +127,13 @@ async fn callback_handler(bot: Bot, q: CallbackQuery) -> Result<(), Box<dyn Erro
 
     Ok(())
 }
+
+async fn join_request_handler(
+    bot: Bot,
+    join_request: ChatJoinRequest,
+) -> Result<(), Box<dyn Error + Send + Sync>> {
+    log::info!("Join request received!");
+    bot.send_message(join_request.chat.id, "join request received").await?;
+
+    Ok(())
+}

Bot has the required can_invite_users administrator right:

But when a user joins the chat teloxide does not react.

[crabvk]

I've submitted new issue #924