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Instant World Mirror 1.3.0 Beta
Pre-release
Pre-release
·
15 commits
to 1.21.1
since this release
Instant World Mirror 1.3.0 Beta
This public Beta advances from 1.2.2 because it adds a complete in-game administration UI and expands the persistent configuration model, in addition to regression fixes.
Configuration UI
- Added
Options > World Mirror Settingsfor server administrators. - Added per-mirror access control: disabled, administrators only, or all players.
- Added per-mirror natural spawning, item transfer, and copy-radius settings.
- Added the global base cooldown setting.
- Saving writes the common configuration immediately and clearly indicates that a restart is required before behavior changes.
- Added complete English and Simplified Chinese UI coverage.
Fixes
- Fixed First Dream generated loot chests losing unopened loot-table data.
- Fixed live generated block entities, including vanilla spawners, being copied without their saved state.
- Fixed mirror cooldown behavior so all three mirrors consistently use the common configuration.
- Fixed item-transfer persistence and inventory restoration across mirror exit.
- Fixed mirror copy behavior at edge chunks.
- Improved compatibility with other mods that modify the Options screen and with constructor-sensitive block entities.
Configuration migration
- Existing common configuration files are migrated without removing valid administrator choices.
- Legacy global mirror fields are translated into the current per-mirror settings.
- Invalid old cooldown values below 30 seconds migrate to the 300-second default.
instantworldmirror-client.tomlremains limited to local HUD display; server behavior is controlled byinstantworldmirror-common.toml.
Downloads
instantworldmirror-1.21.1-1.3.0-Beta.jar- Minecraft 1.21.1 / NeoForge, commit5d3866ainstantworldmirror-1.20.1-1.3.0-Beta.jar- Minecraft 1.20.1 / Forge, commita0eec17
Validation
- Clean builds passed for both supported Minecraft versions.
- GameTest passed 39/39 on 1.21.1 and 38/38 on 1.20.1.
- The real-client configuration UI gate passed in English and Simplified Chinese on both versions.
- Tests cover UI changes before and after restart, per-mirror behavior, item transfer, generated loot, persisted cooldown, and configuration migration.
SHA-256
- 1.21.1:
25E6CA5B6A82CC81AADFB29823C3BA32EF0831CFC5281594EFED249A48F87DEC - 1.20.1:
64901A91DA2CB631AC2E54DFEC59577BD7F1F12B3B5C219462B4CDBF04E547E3