Add option to disable native stickers. Fixes #116

example-config.yaml

@@ -100,6 +100,11 @@ bridge:
     plaintext_highlights: false
     # Whether or not to make portals of publicly joinable channels/supergroups publicly joinable on Matrix.
     public_portals: true
+    # Whether to send stickers as the new native m.sticker type or normal m.images.
+    # Old versions of Riot don't support the new type at all.
+    #
+    # Remember that proper sticker support always requires Pillow to convert webp into png.
+    native_stickers: true
 
     # The prefix for commands. Only required in non-management rooms.
     command_prefix: "!tg"

mautrix_telegram/config.py

@@ -176,6 +176,7 @@ class Config(DictWithRecursion):
         copy("bridge.inline_images")
         copy("bridge.plaintext_highlights")
         copy("bridge.public_portals")
+        copy("bridge.native_stickers")
 
         copy("bridge.command_prefix")
 

mautrix_telegram/portal.py

@@ -1050,7 +1050,7 @@ class Portal:
             "external_url": self.get_external_url(evt)
         }
 
-        if attrs["is_sticker"]:
+        if attrs["is_sticker"] and config["bridge.native_stickers"]:
             return await intent.send_sticker(**kwargs)
 
         mime_type = info["mimetype"]