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ViaBackwards

ViaBackwards

Allow older clients to connect to newer servers.

591.0k
465
Utility

Compatibility

Minecraft: Java Edition

1.21.x
1.20.x
1.19.x
1.18.x
1.17.x
1.16.x
1.15.x
1.14.x
1.13.x
1.12.x
1.11.x
1.10.x

Platforms

BungeeCord
Fabric
Folia
Paper
Sponge
Velocity

Supported environments

Client-side
Server-side
Client and server

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Links

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Sponsor on GitHub

Creators

kennytv
kennytv Maintainer
creeper123123321
creeper123123321 Developer
FlorianMichael
FlorianMichael Maintainer

Details

Licensed GPL-3.0-only
Published 2 years ago
Updated yesterday
DescriptionChangelogVersions

Show all versions

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5.4.3-SNAPSHOT+472

by kennytv on Aug 22, 2025
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be5344b Reassign item on handleItemToClient calls Needed in rewriters before 1.20 with a recent change; the rest weren't technically necessary

5.4.3-SNAPSHOT+471

by kennytv on Aug 17, 2025
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cc4ea71 Fix custom name in banners etc. in 1.21.5->1.21.4

5.4.3-SNAPSHOT+470

by kennytv on Aug 17, 2025
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f288f2d Add dialog styling options (#1072)

5.4.3-SNAPSHOT+469

by kennytv on Aug 8, 2025
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12cde18 Use ViaBackwardsPlatform#getLogger for protocol logger creation (#1078)

5.4.3-SNAPSHOT+468

by kennytv on Aug 3, 2025
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b8adbde Add statistic mappings for 1.21.6->1.21.5 (#1077)

5.4.3-SNAPSHOT+467

by kennytv on Jul 31, 2025
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6faf407 Use SerializerVersion.V1_21_6 in 1.21.6->1.21.5 (#1073)

5.4.3-SNAPSHOT+465

by kennytv on Jul 31, 2025
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80ed7e1 Handle HIDE_ADDITIONAL_TOOLTIP in chat items in 1.21.5->1.21.4 (#1068)

5.4.3-SNAPSHOT+466

by kennytv on Jul 31, 2025
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f3f19df Pass dialog title through component conversion in 1.21.6->.5 (#1074)

5.4.2

by kennytv on Jul 23, 2025
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  • Fixed hidden tooltip in emulated dialog item widgets in 1.21.7->1.21.6
  • Fixed velocity desync for entities like items in 1.21.6->1.21.5 (by Pantera07)
  • Fixed minecarts losing their type on interact in 1.21.5->1.21.4
  • Fixed missing recipes in recipe book in 1.21.2->1.21 (by Pantera07)
  • Fixed creative mode breaking attribute modifier custom ids in 1.21->1.20.5
  • Improved item rewriting performance in protocols below 1.20.5
  • Fixed potion color being lost in 1.10->1.9

If you want to get larger version updates early, consider supporting me via https://viaversion.com/donate. See the previous update notes for more info.

5.4.2-SNAPSHOT+463

by kennytv on Jul 23, 2025
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5ca359b Fix hidden tooltip in emulated dialog item widgets

5.4.2-SNAPSHOT+462

by kennytv on Jul 21, 2025
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c18c670 Fix 1.10->1.9 potion entity data

5.4.2-SNAPSHOT+461

by kennytv on Jul 18, 2025
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345406e Back up custom attribute modifier ids

5.4.2-SNAPSHOT+460

by kennytv on Jul 15, 2025
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6a2482f Fix ADD_ENTITY velocity for non-living entities on 1.21.6+ servers (#1066)

5.4.2-SNAPSHOT+459

by kennytv on Jul 14, 2025
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8075d49 Fix sendUnlockedRecipes (#1067)

5.4.2-SNAPSHOT+458

by kennytv on Jul 13, 2025
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f0aa7d9 Fix minecarts losing type in 1.21.5->1.21.4 Fixes #1057

5.4.2-SNAPSHOT+457

by kennytv on Jul 11, 2025
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eea2687 Add limit (#1063)

5.4.2-SNAPSHOT+456

by kennytv on Jul 6, 2025
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712f656 Remap UI sound source to master in 1.21.6->1.21.5 (#1056)

5.4.2-SNAPSHOT+455

by kennytv on Jul 6, 2025
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181a0cb Cache parsed item name and lore in older protocols

5.4.1

by kennytv on Jun 30, 2025
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See GitHub for release notes.

5.4.1-SNAPSHOT+453

by kennytv on Jun 30, 2025
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6f27988 Ensure run_command click events start with '/' in 1.21.5->1.21.4 (#1051)

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