An absolutely shocking snapshot arrives! This snapshot adds some new functionality to Copper, some general tweaks, a fancy new way of getting performance metrics, and a bunch of bugfixes.
This update can also be found on
New Features in 21w11a
- Lightning rods can now, for the very first time ever, be waterlogged
- New functionality for applying and removing wax from copper
- Bonemealing rooted dirt now grows hanging roots underneath
Waxing Copper and Oxidization
- Right click with honeycomb on copper blocks to wax them
- Use honeycomb in a dispenser to wax copper blocks
- Axes can scrape off wax and oxidation of copper blocks
- Lightning strike hitting copper will clean its oxidation
Changes in 21w11a
- Waxed copper blocks can be crafted into 4 copper ingots
- Tweaked the cave sizes
- Slightly increased the frequency of diamond ore blobs
- Hanging roots block now renders randomly offset
- Breaking a Big Dripleaf stem now drops a Big Dripleaf block
- Moss blocks can be crafted with cobblestone or stone bricks to make the mossy versions of those blocks
- The facing direction of Small Dripleaf blocks is now determined by which direction the player is facing when placing it
- Fully-grown Amethyst Clusters now drop 4 Amethyst Shards (or more with Fortune) when mined with a pickaxe, and drop 2 Amethyst Shards when broken by hand, piston, or other means
Technical Changes in 21w11a
- Added F3+L shortcut to generate and persist performance metrics from in-game
In-game client metrics reporting
Pressing F3+L while in the game will start a recording for 10 seconds capturing metrics such as tick durations, used heap sizes and other more detailed stats. These will be saved to a zip file in
debug/profiling/<yyyy-MM-dd_HH.mm.ss>.zip and could be used for performance regression analysis if included in bug reports.
The exact metrics, output format and names are susceptible to change between versions, and our plan is to continue iterating on which metrics to capture.
Bugs fixed in 21w11a
MC-1483– Snow covered grass/podzol/mycelium block side texture does not match original block MC-12363– Lava / water / powder snow bucket desync when using it while rapidly turning MC-70850– False negatives during occlusion culling MC-71530– Spectators can't see through lava MC-145501– Librarian and zombie librarian torso top texture is incorrect MC-150054– Spectral arrow texture on item and entity aren't consistent MC-150784– Brewing Stand bottle outline incorrect MC-154006– Overworld wood signs use the outdated wood texture on all sides MC-160195– Jungle door inventory texture is outdated MC-160388– Painting back texture has not been updated with the texture update MC-195806– Smoker's top and bottom textures have inconsistently colored pixels MC-197561– Carved pumpkins and jack o'lanterns create swastikas MC-197883– Jigsaw Structures causing DataFixer spam MC-198805– Floating pixel in the tailfin of a guardian/elder guardian MC-202760– Area effect cloud does not enforce a maximum radius MC-203554– block.amethyst_block.chime has no subtitle MC-203561– Amethyst crystal cluster drops items when block is moved directly by a piston without actually breaking the block MC-203623– Inconsistency: Breaking amethyst crystals with hands doesn't drop the item, but breaking the block they are placed on drops them MC-203676– Tinted Glass suffocates entities inside of it MC-203753– Spyglass use statistic never increases MC-203918– Mobs can spawn on tinted glass MC-204016– When filling a lava cauldron with lava, the lava is placed on the ground, not in the cauldron. This also affects powder snow. MC-204862– Tinted glass is not included in the impermeable tag MC-205913– Lightning rod can spawn skeleton horses with skeletons MC-206787– World Border is rendered upside down MC-207557– Frozen hearts in hardcore mode look identical to frozen hearts in survival mode MC-211513– Trident returning to owner not in the same world can cause permanent player kick MC-212123– Player lighting is inconsistent in the inventory and appears darker on the front MC-212226– Bone Meal can still be used on a Glow Lichen when it is unable to grow MC-212410– Cannot compost glow lichen MC-213743– Spectators can't see through powder snow MC-213764– Removing the block supporting a spore blossom allows the spore blossom to float MC-213765– Cave vine blocks are inconsistent in ID from other similar blocks MC-213768– Removing the support block for hanging roots allows it to float MC-213778– Cave vines cannot be climbed MC-213782– Cave vines do not slow you down like other vines MC-213798– Cave vines head and body emit different light levels MC-213886– Bone meal cannot be used on dripleaf stems MC-213911– Cave vines body and cave vines head share the same name MC-213980– Moss appropriate tool is axe rather than hoe MC-214568– Setting a lectern on fire causes z-fighting MC-215036– Snow layers in "Snowy Kingdom" superflat preset generate 64 blocks above the ground MC-215384– Azaleas cannot be used as a fuel MC-216134– Gilded blackstone texture does not match the new side texture of blackstone MC-216184– Player takes no fall damage on blocks above y=316 MC-216227– Sugar cane item texture is no longer accurate from 13w36a forward MC-216737– When replacing tuff, ores still generate with a "stone" background below y=0 MC-216945– Teams become dysfunctional when any entity leaves the team MC-216965– Flat "slices" of terrain generating in cracks MC-217303– Potential optimization target in DepthBasedReplacingBaseStoneSource MC-217546– stat.fallOneCm is not updated when falling onto a block above y=316 MC-217802– Some blocks generate at wrong Y height in a superflat world MC-218594– Debug chunk borders don't render properly MC-218596– Debug pie is blacked out MC-218597– Water has no fog anymore MC-218603– Screen turns dark grey when switching dimension MC-218604– Hanging roots can generate hanging on other hanging roots, making them float MC-218609– Mipmapping causes some block faces to become too dark MC-218610– Banners are unimpacted by light levels MC-218626– Cannot enchant items MC-218635– With fast graphics, the freezing overlay renders black, and covers the whole screen black in first person MC-218640– Broken spyglass overlay on fast graphics MC-218641– Red vignette shown when outside the world border is too intense MC-218645– The carved pumpkin overlay turns the screen completely black when using fast graphics MC-218652– The green nausea overlay no longer renders MC-218653– Glowing effect no longer changes to team color MC-218655– Floating water generates excessively in lush caves MC-218660– The nether portal overlay no longer renders, whilst using fast graphics MC-218695– Shulkers do not flash red when hurt or killed MC-218712– Debug pie has purple box when moving an enchanted item MC-218713– Right clicking to open alternate recipes does not show the recipes MC-218729– Noise cave entrances cause unnatural, smooth edges in terrain MC-218734– Caves generate with very blocky areas MC-218748– At sunset, a blue line appears in the northern and southern skies MC-218753– Ambient occlusion of the player seen in the survival inventory has changed MC-218765– Glowing effect no longer renders around translucent pixels MC-218793– Two white lines appear on the Mojang loading screen MC-218817– Cave Vines can generate without supporting blocks MC-218825– M1 ARM Macs crash when using Fabulous Graphics mode as was the case in older versions, but no lack of support warning is shown MC-218830– World border is white MC-218834– You can see block hitboxes very clearly whilst in powder snow/lava MC-218845– Mojang logo screen flashes blue before changing to red MC-218852– World border is occasionally shown as a solid color upon being loaded MC-218877– The red flash when a mob is hurt/killed appears to be slightly dimmed MC-218881– When selecting text in the end, the sky gets highlighted MC-218911– The background of hover-event text becomes blue when text is selected in an anvil or chat MC-218945– Spyglass has a gradient effect while freezing MC-218979– Cave ceilings and floors sometimes too flat or blocky MC-218988– Fire is rendered dark in the player/horse/llama UI MC-218990– Transparency buffers start with blue background instead of empty background MC-219002– The wither's wither armor has a blue aura around it MC-219006– The background opacity of subtitles and chat, are affected by a potion effect UI fading out MC-219014– Charged creeper layer makes clouds and entities invisible MC-219036– World border is shown as a solid color when picking up items or experience orbs MC-219039– World border does not render when below the world MC-219049– Reloading resource packs no longer shows the progress bar while the transparent background is shown MC-219105– Entity hitboxes can be seen whilst inside of powder snow/lava MC-219108– Chat scroll bar is offset MC-219111– Social interactions scroll bar appears broken MC-219126– Xray with spyglass MC-219155– Cast fishing line is disconnected from the rod MC-219180– Slime blocks, honey blocks, stained glass, and ice are fully lit when moved by pistons MC-219208– Xray using enchanted items MC-219212– Entity shadows can be seen whilst inside of powder snow/lava MC-219224– The background opacity of command syntax help is affected when highlighting text MC-219278– Being inside of a block no longer shows the block texture MC-219281– Dying ender dragon is rendered too bright MC-219392– Lead/fishing line is no longer affected by the fog from powder snow/lava MC-219597– End portal and end gateway textures expand as the player travels further from the block
Get the Snapshot
Snapshots are available for Minecraft Java Edition. To install the snapshot, open up the Minecraft Launcher and enable snapshots in the "Installations" tab.
Testing versions can corrupt your world, please backup and/or run them in a different folder from your main worlds.
Cross-platform server jar:
What else is new?
If you want to know what else is being added and changed in the Caves & Cliffs update, check out the