Mineforgian
Slabbed
Put torches on slabs! Hang lanterns from slabs! Place blocks on slabs! Stack blocks on those blocks on those slabs! Slabbed makes it work! Slabbed!!!
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- 4 июля 2026 г.
- Лицензия
- GPL-3.0-only
Опубликован 7 февраля 2026 г.
FINALLY! Put stuff on slabs!
Hang lanterns from slabs! Stack blocks on slabs! Stack blocks on those blocks on those slabs!* Your slabs finally get the love they deserve 💖
*Slabbed is still in beta. Expect some rough edges while it continues to improve and expand.
What Slabbed does
In vanilla Minecraft, slabs are weirdly stubborn little half-blocks. They look like they should support things, connect to things, and behave like real building surfaces, but the game often treats them like awkward not-quite-blocks instead.
Slabbed changes that. It makes slabs act more like usable building surfaces, so supported blocks and objects can sit at slab height instead of floating, refusing to place, or pretending the slab is not there.
| In vanilla Minecraft | ✨ With Slabbed ✨ | |
|---|---|---|
| 🧱 | Many blocks want a full block underneath them. Slabs do not always count. Rude. | More blocks can use slabs as support and sit where the slab surface actually is. |
| 🏮 | Hanging or standing objects can float, refuse to attach, or land at full-block height. | Torches, lanterns, signs, fences, walls, panes, chests, hoppers, crafting tables, furnaces, and other supported blocks line up with slab height. |
| 🧩 | Building upward from slabs is floaty and sad. | Blocks and objects can stack more naturally on slab-supported structures. |
| 👀 | What you see and what Minecraft thinks is there can disagree. | Slabbed works to keep the visible object, outline, and interaction target in the same place. |
| 💖 | Slabs are useful, but the game makes them fussy. | Slabs become friendlier building surfaces. Still slabs. Just less derpy. |
| 🚶➡️ | Stairs on slabs? That's a no-no! | With Slabbed, you can throw down some stairs on those slabs and ascend smoothly! ✨ |
The long-term goal is broad slab support. The actual path is more careful: one block family at a time, proven by behavior, because Minecraft is Minecraft and it will absolutely make this more complicated than it looks.
▶ Watch the (upcoming) Forge 1.20.1 live test:
Countered's Terrain Slabs Compatibility
With Countered's Terrain Slabs installed, terrain slabs become proper Slabbed support instead of just decoration. Slabbed still works without Terrain Slabs, but if you build with them, this is the good stuff:
| Terrain Slabs support | It works! | |
|---|---|---|
| 🪶 | Flush, not floaty | Torches, lanterns, fences, walls, glass panes, signs, chests, hoppers, furnaces, crafting tables, and selected decorative cubes sit on Terrain Slabs surfaces like they do on vanilla slabs. |
| 🌿 | Vegetation behaves | Short grass, ferns, and tall grass sit on Terrain Slabs terrain toooooo. Immerse yourself in slabby foliage! |
| 🧩 | Combined slabs | Vanilla slabs placed on Terrain Slabs surfaces combine into a lowered surface, and supported objects follow that height. |
| 🔌 | Optional compat | Slabbed still works without Terrain Slabs. No Terrain Slabs? No problem. |
| 🥲 | Not just a pretty face | Slabs should be more than just decoration. Slabbed puts those lazy slabs to work! |
Note: Full combining between Terrain Slabs, vanilla slabs, and regular building blocks is still a work in progress. Slabbed supports many Terrain Slabs placement and support cases, but some deeper mixed arrangements may not merge, stack, collide, or target perfectly yet. If a build combines multiple slab systems in one spot and something looks a little odd, that may still be expected beta behavior for now.
Still rough
Slabbed is still beta, and some things may be a little spicy:
| Rough edge | Current state | |
|---|---|---|
| ⚡ | Rails and redstone | May still have visual or connection edge cases. |
| 🎨 | Heavily custom modded blocks | May need dedicated compatibility work if they do unusual things with shapes, rendering, collision, placement, or models. |
| 🗼 | Very deep compound arrangements | Some deep or compound lowering is intentionally capped so targeting stays reliable instead of eating your clicks. In human terms, crazy ridiculous slabbing-blocking buildings can make things misbehave! |
If something looks wrong, it probably is, and it is probably worth reporting. Just see if it has already been reported first, pleeease.
Compatibility
- Minecraft: 26.x, 1.21.11, and 1.21.1
- Mod loader: Fabric + Fabric API
- Multiplayer: install on both client and server so visuals, outlines, and targeting agree.
- Terrain Slabs: Countered's Terrain Slabs is supported, but optional.
- Terrain Slabs mod ids: supports both the modern
terrain_slabsmod id and the legacyterrainslabsid.
Mods that heavily customize block shapes, rendering, collision, placement, or models may still need dedicated compatibility work.
🐛 Reporting bugs
Bug reports are super duper helpful! The most useful ones include:
- Minecraft, Slabbed, Fabric Loader, and Fabric API versions
- Other installed mods, especially Terrain Slabs
- Exact placement steps
- What you expected vs. what actually happened
- A short screenshot or video, especially for crosshair, placement, outline, or visual-height mismatches
➼ What's next
Next up is more careful slab support, one behavior family at a time:
- More supported object categories (i.e., rail visuals, restone dust functionality...)
- More Terrain Slabs polish
- Deeper combined-slab compatibility
- Dedicated compatibility for weird modded blocks that need it
- Fewer wrong-target moments
- Less floating. Less fussing. More slab.
Slabbed's goal is simple:
Things should sit where they look like they sit.
Minecraft makes that surprisingly complicated.
💖 Thanks!
Slabbed is made by one person and is still actively evolving. Every bug report, screenshot, video, and weird edge case helps make slab-supported building better. Thank you for playing with Slabbed and helping me make it what it is!
:3 Peetsa
💙 Slabbed on Modrinth
Are you a slab fan??? Throw Slabbed a ❤️ on Modrinth! 🧱✨
Highly recommended: Countered's Terrain Slabs
Ченджлог
0.5.0-beta.7Бета1.21.11 · 4 июля 2026 г.
0.5.0-beta.7 — 1.21.11 (Fabric)
Fixed
- Redstone repeaters and comparators can now be placed on a Terrain Slabs bottom slab (this also generically fixes any other block whose placement depends on the same solidity check — buttons, pressure plates, rails, etc.)
- Decorative objects (candles, trapdoors, and similar) resting on a slab, fence, or other support no longer pop back to full height when that support is broken
- Lowered brewing stands emit their ambient smoke particles at the correct height instead of full block height
- Stashing an item into a lowered decorated pot spawns its particle burst at the correct height instead of full block height
- A hanging lantern under a Terrain Slabs slab no longer hangs too low, leaving a gap
- A slab placed beside a lowered full block no longer has an invisible side face (#24)
Added
- A brief one-time notice reminding you Slabbed is in beta, with a clickable [Don't show again] link. Dismissing it only silences it for that specific world — a different world you haven't dismissed it in will still show it once.
Changed
- The
/slabdytarget-height overlay is now off by default. It still ships with the mod and can be turned on any time with/slabdy, but it no longer shows on-screen unless you ask for it.
Security
- Fixed a leak in an internal dev tool where its output file could contain live Microsoft account credentials. This tool is not part of a normal build, so it never affected regular play, but it's been fixed and additionally removed from release builds entirely.
All fixes above have been confirmed on a live test build before this release.
0.4.2-beta.2+1.21.1Бета1.21.1 · 28 июня 2026 г.
[0.4.2-beta.2] - Minecraft 1.21.1 (NeoForge)
Carries the 0.4.2 parity-candidate work for this port plus a render-path performance cleanup. Build metadata was corrected from +26.2 to +1.21.1, the actual target Minecraft version.
Performance
- Removed always-on per-block work from the chunk-mesh render path: the full-mesh-bounds diagnostic sampler no longer does a block-registry lookup, string allocations, and an atomic increment per block before checking its trace flag.
- The per-vertex bounds loop is now skipped entirely unless the trace is armed.
- Render trace flags are read once at class-load instead of per block;
render.offset.tracestays live but is gated cheap-first. - This is zero behavior change and matters most under Sodium, which routes all block geometry through this path.
Developer
/slabdyoverlay now starts off by default in release/profile launches.- It remains toggleable in-game, but the initial state is
falseunless explicitly enabled with-Dslabbed.targetDyOverlay=true.
Known limitations
- A face-culling / shadow artifact beside a lowered full-block ↔ vanilla-slab boundary is deferred to a later render/culling slice.
- Full Terrain Slabs named-surface support is not in this build; Terrain Slabs blocks are kept un-offset and otherwise behave as vanilla support.
- No all-item or all-partial-block support claim is made for this beta.
0.4.2-beta.1Бета1.21.1 · 28 июня 2026 г.
Slabbed 0.4.2-beta.1 for Minecraft 1.21.1
This beta rebuilds the 1.21.1 line with the latest Slabbed support fixes and release-jar cleanup.
Fixed
- Fixed the severe lag spike caused by repeated missing diagnostic-class lookups during rendering.
- Fixed chain visual/selection alignment so lowered chain setups keep model, outline, and targeting in sync.
- Fixed pointed dripstone combine behavior on lowered Slabbed targets.
- Fixed Terrain Slabs compatibility for placed bottom slabs:
- full blocks can stack flush without gaps
- floor-standing objects now sit flush on supported Terrain Slab bottom slabs
- genuine hanging objects and ceiling chain geometry remain unchanged
- Fixed object placement on flat Terrain Slab bottom surfaces.
Improved
- Added better
/slabdydiagnostics for testing lowered-state source, dy, target half, and supporting block state. - Cleaned the packaged release jar so proof/debug/test helpers do not ship in the runtime artifact.
Notes
- Terrain Slabs generated/self-rendering quirks remain Terrain Slabs-side behavior where Slabbed reports
dy=0. - This is a beta release; please report any weird placement, targeting, or visual alignment issues with screenshots and the block setup.
0.4.2-beta.2+26.1Бета26.1 · 27 июня 2026 г.
Backports Slabbed 0.4.2-beta.2 to Minecraft 26.1.
- Restores the latest beta.2 slab placement fixes on Minecraft 26.1, including pointed dripstone stacking on slabs and attaching underneath lowered bottom slabs.
- Keeps the target-dy debug overlay off by default; it can still be enabled with
/slabdev debugwhen needed. - Fixes the chain ceiling support model path so Sodium/Fabric do not warn about an undiscovered Slabbed extra model during resource reload.
0.4.2-beta.1+1.21.1Бета1.21.1 · 27 июня 2026 г.
DEPRECATED
Please download the latest NeoForge version 0.4.2-beta.2+1.21.1 for the performance fix.
This NeoForge build brings the Slabbed 0.4.2-beta.1+26.2 line to Minecraft 1.21.1. (Woohoo! 🎉)
Highlights:
- Added the NeoForge 1.21.1 release jar for Slabbed 0.4.2-beta.1+26.2.
- Improved WYSIWYG slab-supported placement so models, outlines, and targeting line up more reliably.
- Fixed fence placement and chaining cases around lowered/flat slab lanes while preserving legal vanilla connections.
- Fixed lanterns on chains so the lantern behaves like an add-on below the chain instead of merging into it.
- Fixed pointed dripstone combining on slab-supported placements, including standing and hanging cases.
- Fixed lowered redstone torch smoke height.
- Removed internal proof/debug/dev helpers from the packaged runtime jar.
- Verified the packaged jar uses NeoForge metadata and does not declare or hard-link a Fabric API runtime dependency.
Still beta: weird mixed modded-block arrangements may still have edge cases. Please include screenshots or video with bug reports, especially for crosshair, outline, placement, or visual-height mismatches.
0.4.2-beta.2+26.2Бета26.2 · 25 июня 2026 г.
Slabbed 0.4.2-beta.2+26.1.2
Fixed
- Removed upper left debug overlay and made it togglable with the command
/slabdev debug on. Off by default.
0.4.2-beta.2+26.1.2Бета26.1.2 · 25 июня 2026 г.
Slabbed 0.4.2-beta.2+26.1.2
Fixed
- Removed upper left debug overlay and made it togglable with the command
/slabdev debug on. Off by default.
0.4.2-beta.1+26.1.2Бета26.1.2 · 21 июня 2026 г.
Slabbed 0.4.2-beta.1 for Minecraft 26.1.2.
Highlights
- Backported the 0.4.2-beta.1 targeting and placement improvements from the 26.2 line.
- Made stairs slab-friendly, with lowered stair collision aligned to the lowered visual body.
- Made scaffolds slab-friendly, so lowered scaffolding can be climbed and passed through at the slab-adjusted height.
- Improved WYSIWYG slab placement so slabs land where the crosshair aimed, including lowered side-click cases.
- Fixed several Terrain Slabs compatibility issues, including fresh-world render-region crashes, terrain world holes, block-on-TS behavior, and double-tall vegetation flushness.
- Improved model, outline, and raycast agreement for offset-aware crosshair targeting.
- Fixed redstone torch particles, slab-height step connections, lowered stair collision, and chain/pointed-dripstone support behavior.
Proof
- Clean build passed.
- 130/130 required gametests passed.
- Live 26.1.2 Terrain Slabs profile testing was green.
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