Milestone just deployed the MXGP 2021 update 1.04 and we have all the details here just for you. This update adds new tracks to the game as well as the Track Editor. It also adds Alessandro Lupino to the official riders list among other changes. Make sure to go through all the patch notes to find out what is added to the game.
All the relevant information you may need to know regarding the MXGP 2021 patch notes for Update 1.04 is covered below. You should be able to download and install this patch now as it is live for all the relevant consoles.
MXGP 2021 Patch Notes: Update 1.04
Here are all the patch notes for MXGP 2021 Update 1.04 on all supported platforms:
PS4 (01.04) – PS5 (01.04) – XONE (01.0.0.8) – XBOX X|S (01.0.0.7) – STEAM

-Added Lacapelle-Marival track on all offline and online game modes. It is also playable in career.
-Added Hill map to Track Editor. Create unique tracks on this new map and share it worldwide
-Added filter tracks by name in all game modes. Now is more simple to find that amazing track you love.
-Added Alessandro Lupino to official riders.
-AFK players online will be ghosted if they not race for N seconds.
-Time to load a bike setting was too short? We have added more time to bike settings phase during online
races.
-Fixed a bug that switches your bike with the one used during a duel or a challenge, in career game mode.
-Fixed a bug on online timer to reach the finish line. With this fix now you have 30 seconds to cross the finish line after the player in first position has endend the race.
-Minor fixes
If you’d like to read more game updates and news, check out our Patch Notes section.
Source: MXGP 2021