Telegram uses JPEG so there’s no way they could add transparency support, unless they change the system and add support for PNG, WEBP, JPEGXL. But that will most likely cause other issues. It will add more possibilities for unlawful behavior and it can also increase the bandwidth usage.
But I’m with you on the variable brush sizes and anti-aliased drawing.
𝅘𝅥𝅮𝄞 𝓙𝓪𝓻𝓮𝓭 𝄞𝅘𝅥𝅮
also include an eraser would be great
THE PROBLEM WAS RESOLVED IN v9.3.
In the last update of 2022 we've improved the drawer.