The latest Half-Life: Alyx update opened up some very interesting modding possibilities with the introduction of two new features.

　　The 1.4 update introduces new language options for subtitles, UI improvements as well as a variety of game and crash fixes that improve the experience considerably.

　　Game Features

　　Added subtitles for: Brazilian, Czech, Hungarian, Italian, Polish, Portuguese, Ukrainian, VietnameseBottles now appear to have liquid inside them that sloshes around as you shake them.UI appears quicker when returning to Main MenuImprovements to addon management UIGame Fixes

　　Added checks for users loading a savegame with missing addons (eg. unsubscribed or deleted)Added error message if a game fails to load due to a missing map requested by an addonVarious crash fixesFixed bug where exiting the game by closing SteamVR could generate bad save filesThe biggest additions included in the Half-Life: Alyx new update, however, are the Postprocessing Editor, which will let modders change the look of the game without having to edit every single texture manually, and LUA scripting, which will allow modders to introduce gameplay features without having access to the source code, opening up a huge amount of possibilities.

　　Workshop Features

　　Enabled the Postprocessing EditorAdded "Custom Character" example addonBlind Zombie (a.k.a. Jeff)Hacking and Toner PuzzlesParked Vehicles and other Interactive PrefabsVisibility SystemPostprocessing VolumesAdded core functionality required for Lua scripting and added some Alyx-specific script bindings for querying VR controller input and creating nav mesh paths from entity scriptsEnabled live bone constraints in SFM, which can be baked/enabled as procedural bones, like clothThe update also includes some other Workshop fixes. You can check out the full Half-Life: Alyx 1.4 update notes on Steam.

　　Half-Life: Alyx is now available on Steam worldwide. The game is officially only playable with a VR headset, but modders managed to release excellent non-VR mods.