List of Minecraft RTX ray tracing known bugs and launch issues

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Minecraft’s RTX beta is now underway, providing the first hands-on opportunity with its official ray tracing solution, welcoming advanced lighting throughout the blocky sandbox. Microsoft has introduced ray tracing with the aid of NVIDIA, leveraging its RTX platform to deliver a graphical leap to its latest family of GPUs as a free update to all Windows 10 PC users.

How to play Minecraft RTX ray tracing beta

While Minecraft’s new RTX beta features a title-wide ray tracing implementation, the work-in-progress nature of the project comes with a sizeable list of documented launch issues. Future updates will assumedly iron out the majority of bugs, as development continues.

We’ve rounded up the full list of known bugs and launch issues impacting the Minecraft RTX beta during the early stages of testing.

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Using the Minecraft RTX beta comes with some hiccups over the well-optimized vanilla game. While a vast majority of issues center around visual inconsistencies, Mojang has also introduced several limitations to keep the game running smoothly when ray tracing is enabled.

Can’t turn on ray tracing in Minecraft RTX beta

With Mojang warning of instability when playing the Minecraft RTX beta, its initial implementation is locked down to a small subset of Minecraft. Enabling ray tracing requires the use of “RTX enabled” worlds, obtainable as free downloads via the Minecraft Marketplace. Six community-built maps are among the first custom RTX worlds designed to highlight ray tracing across different scenarios and block types.

Minecraft RTX ray tracing can be toggled while in-game via Settings > Advanced Video > DirectX Ray Tracing or using the semicolon on your keyboard ; as a hotkey to fast switching. When attempting to use ray tracing with an incompatible world, players will receive a notice stating, “This feature is only available in a ray tracing capable world. Find one in the Marketplace, or create your own tracing capable resource pack.”

To use ray tracing with the Minecraft RTX beta, use a compatible Minecraft Marketplace map, or a custom compatible resource pack.

Minecraft locked to 1080p resolution

When ray tracing is enabled, the Minecraft RTX beta locks to 1080p resolution. It ensures the game runs smoothly, due to the additional horsepower required for ray tracing. Players can bypass this lock using the upscaling option, at a performance cost.

Nether update features not available

With Minecraft soon expected to receive the Nether Update, opting into the RTX beta will remove access to any features associated with the current Nether beta. With the RTX beta available as a standalone branch, the revamped dimension and other changes are excluded from the build. For access to features on track for the Nether Update, such as new mobs, biomes, and blocks, use the non-RTX variant of the Minecraft for Windows 10 beta.

Nether and End ray tracing issues

The Nether and End, two alternative dimensions available within Minecraft, aren’t optimized for ray tracing during the early RTX beta build. While ray tracing will function, Mojang warns of potential issues when straying from the overworld.

List of Minecraft RTX beta bugs and issues (so far)

Mojang has also outlined a variety of known issues via Minecraft.net, ahead of the RTX beta launch.

Top ten known issues for the RTX beta when ray tracing is enabled

  • Nether Update features are not available
  • Nether dimension is not optimized for ray tracing
  • End dimension is not optimized for ray tracing
  • Flickering and twinkling of some blocks, especially emissive and highly reflective materials
  • Dark noise on the periphery of a player’s vision when moving quickly through different settings and light levels
  • Player’s hand clips through blocks
  • Clouds are too opaque
  • In first person mode, only the player’s arm is reflected in mirrors
  • Game window flickers and scrambles during screen resizing
  • Mobs can display visual noise in motion

Physically Based Materials and Texture Pack Authoring

  • Content created today for the beta will not be compatible with the future texture format.
  • The format for authoring new texture packs with metallic, emissive, and roughness properties will be changing between the beta and the future release.
  • Raytracefog command will be changing between the beta and future releases
  • Flipbook textures do not support MER and Normal textures
  • No support for authoring PBR materials for entities
  • No support for authoring PBR materials for skins or Character Creator items

Nether Dimension

  • Nether Update features are not available in the RTX beta
  • Nether dimension is not optimized for ray tracing
  • Sunlight is visible when some chunks are not rendered in Nether
  • Visibility in first person camera perspective is too clear when standing in Nether Portal
  • Nether Portals do not emit light
  • Blaze mob does not emit light

End Dimension

  • End dimension is not optimized for ray tracing
  • There is no sky in The End dimension
  • End Portal Blocks have plain textures
  • During its death animation, Ender Dragon has its textures improperly rendered
  • End Portals do not emit light
  • Ghosting effect is visible on the edges of the End Stone Blocks when moving around in the End Dimension

Overworld Entities

  • Mobs can display visual noise in motion
  • Villagers with professions are spawning with unemployed villager clothes on
  • Mooshroom’s mushrooms are glowing slightly in the dark
  • Slime mob has no face
  • Tropical Fish is missing parts of its fins
  • White/Grey Horses change their coat colors when wearing Leather Horse Armors
  • Certain Entities flicker for a few seconds after being spawned via Spawn Egg
  • Various entities render in front of Glass Blocks and Glass Panes

Potions and Status Effects

  • Invisibility status has no effect on Enderman, Spider, Cave Spider and Phantom
  • Night Vision effect is significantly brighter with ray tracing
  • Dragon Fireballs, Ghast Fireballs and Purple Cloud emitted from the Dragon’s Breath attack are not visible

Items

  • All banners are black
    • Ice Blocks have low transparency
    • Underwater TNT Block looks like a normal TNT block
    • Hopper from Minecart with Hopper does not have its interior rendered
    • Framed/dropped items can become oversized after suspending the game
    • Book on the Lectern is noisy on the edges
    • After throwing a Trident screen goes black for a moment

Multiplayer, Skins, and Character Creator

  • Player username are not visible in multiplayer
  • Some Persona Body Parts are rendered in too bright colors
  • Game crashes for Host in Multiplayer game after Client edits their Persona Character to the skin with complex geometry
  • Multiplayer character body can sometimes have arms and legs render in wrong place
  • Skin animations are absent with ray tracing enabled (i.e. blinking)

Maps

  • Maps may not render
  • Black square under Player’s position while using Locator Map
  • Drawn Maps held in hand can penetrate a solid Block
  • Drawn Map renders with a black semi-transparent background
  • Maps becomes noisy when it’s placed on item frame while Player holds another map

Other known issues:

  • Game window flickers and scrambles during screen resizing
  • Player’s Hand clips through blocks
  • Clouds are too opaque
  • In first person mode, only the player’s arm is reflected in mirrors
  • Blocks materialize when placed
  • Destroying/obstructing light sources does not make the light disappear instantly
  • Stained Glass Blocks are brighter when Player is far away from them
  • Particle effects are not visible through transparent Blocks held in Hand
  • Blocks pushed by Pistons flash white
  • Water is clipping through Boats
  • Some Doors and Trapdoors models render incorrectly when opened
  • Torchlight noise increases dramatically with number of torches in view
  • Glass Blocks, Glass Pane Blocks and Beacon do not have transparency when held in hand
  • The shadow after the movement of the hand can remain on the screen briefly after the Torch is destroyed
  • Torch flame is slightly offset from Torch stem when viewed through Glass
  • HD textures get blurry at glancing angle and in the distance
  • Smoke renders in front of Stained Glass and Stained Glass Pane blocks, even though it is behind
  • Adjusting brightness in Video Settings Menu has no in-game effect

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