Let RP come back here
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Make old versions compatible with 1.21.9 mcmeta.
Includes quality of life improvements and small tweaks to enhance and customize gameplay.
Addresses and fixes known bugs and issues.
Enhances game performance and optimizes resource usage.
Forge is a popular mod loader for versions 1.1+ of Minecraft.
Neoforge is a fork of the Minecraft Forge available for versions 1.20.1+ of Minecraft. Many Forge mods are compatible with Neoforge and vice versa.
Fabric is a mod loader for versions 1.14+ of Minecraft, particularly popular for client side and optimization mods.
Quilt is a fork of the Fabric mod loader. Many Fabric mods are compatible with Quilt and vice versa.
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Let RP come back here
When the RP author is only compatible with the new metadata format and the older version cannot read the RP, it will automatically interpolate the metadata to enable it to be loaded again.
If the RP author clearly states that his RP no longer supports older versions, but you still load his RP through this mod and an error occurs, please do not report it to the RP author, as this will only cause them more trouble.
Example
Such RPs can be loaded in 1.21.9 (since pack_format is now optional), but if you need to load them in 1.21.8, you will need to manually modify the mcmeta file and add pack_format back in. This is obviously not practical if you have a lot of resource packs that need to be modified.
Once you have verified that these RPs can be used in older versions without too many errors (or no errors at all), you only need to manually add value for them. This mod does this for you automatically.
It will automatically generate the following fields according to the new mcmeta format of 1.21.9 when they are not detected:
pack_formatsupported_formats
For Modpack
If you comply with the license, you can use it freely for Modpack.
Modpacks that redistribute Minecraft game body (i.e. packages that package the entire Minecraft game including Mod files, Config, ShaderPacks, ResourcePacks, Library and launcher into a whole zip file) are not allowed to use this mod.
License
This work has a restrictive license in addition to the original license to prevent some unexpected behavior, see 404Setup Public License
Let RP come back here
When the RP author is only compatible with the new metadata format and the older version cannot read the RP, it will automatically interpolate the metadata to enable it to be loaded again.
If the RP author clearly states that his RP no longer supports older versions, but you still load his RP through this mod and an error occurs, please do not report it to the RP author, as this will only cause them more trouble.
Example
Such RPs can be loaded in 1.21.9 (since pack_format is now optional), but if you need to load them in 1.21.8, you will need to manually modify the mcmeta file and add pack_format back in. This is obviously not practical if you have a lot of resource packs that need to be modified.
Once you have verified that these RPs can be used in older versions without too many errors (or no errors at all), you only need to manually add value for them. This mod does this for you automatically.
It will automatically generate the following fields according to the new mcmeta format of 1.21.9 when they are not detected:
pack_formatsupported_formats
For Modpack
If you comply with the license, you can use it freely for Modpack.
Modpacks that redistribute Minecraft game body (i.e. packages that package the entire Minecraft game including Mod files, Config, ShaderPacks, ResourcePacks, Library and launcher into a whole zip file) are not allowed to use this mod.
License
This work has a restrictive license in addition to the original license to prevent some unexpected behavior, see 404Setup Public License
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A 1.21.9 RP
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A 1.21.9 RP
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