SkyBlade1978 · Nov 9, 2026 · Nov 9, 2026 · Nov 9, 2026 · Nov 9, 2026 · Nov 9, 2026
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -1,16 +1,16 @@
-name: basePower 1.18 CI
+name: basePower 1.19 CI
 
 on:
   push:
-    branches: [master-1.18.2, 'feature/**']
+    branches: [master-1.19.4, 'feature/**']
   pull_request:
-    branches: [master-1.18.2]
+    branches: [master-1.19.4]
 
 permissions:
   contents: read
 
 concurrency:
-  group: basepower-1.18-${{ github.workflow }}-${{ github.ref }}
+  group: basepower-1.19-${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
 jobs:
@@ -25,7 +25,7 @@ jobs:
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
         with:
           repository: MinecraftModDevelopmentMods/OreSpawn
-          ref: d31f52f296739f34a0c13f554abf3e1ac071ae25
+          ref: 444d86ef48db2bf54422901b067c51d5832197fc
           path: .ci-dependencies/OreSpawn
       - name: Use canonical LF dependency inputs
         # Use the same source bytes on hosted and local dependency builds.
@@ -34,7 +34,7 @@ jobs:
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
         with:
           repository: MinecraftModDevelopmentMods/BaseMetals
-          ref: 3488ed58403722ac3ff203cff7680dfc16e0fd3f
+          ref: a9fdd6842f2a2e1e2e5b9a0abf9178d5675df044
           path: .ci-dependencies/BaseMetals
       - name: Install pinned Java 25 Mavenizer runtime
         uses: actions/setup-java@b6effb05e454b25005698d916606bdc6ffcbf961 # v5
@@ -67,38 +67,41 @@ jobs:
           set -euo pipefail
           orespawn="$GITHUB_WORKSPACE/.ci-dependencies/OreSpawn"
           basemetals="$GITHUB_WORKSPACE/.ci-dependencies/BaseMetals"
+          mavenizer="$orespawn/ci-fixtures/tools/minecraft-mavenizer-0.5.21-orespawn-compat.jar"
           chmod +x "$orespawn/gradlew" "$basemetals/gradlew"
           (cd "$orespawn" && ./gradlew $MMD_GRADLE_TOOLCHAINS jar --no-daemon --stacktrace)
           (cd "$basemetals" && ./gradlew $MMD_GRADLE_TOOLCHAINS jar --no-daemon --stacktrace)
-          osjar="$orespawn/build/libs-dev/OreSpawn-4.1.0.118021-deobf.jar"
-          bmjar="$basemetals/build/libs-dev/BaseMetals-3.1.2.118021-deobf.jar"
+          osjar="$orespawn/build/libs-dev/OreSpawn-4.1.0.119041-deobf.jar"
+          bmjar="$basemetals/build/libs-dev/BaseMetals-3.1.2.119041-deobf.jar"
           test -f "$osjar" && test -f "$bmjar"
           echo "orespawn=$osjar" >> "$GITHUB_OUTPUT"
           echo "basemetals=$bmjar" >> "$GITHUB_OUTPUT"
+          echo "mavenizer=$mavenizer" >> "$GITHUB_OUTPUT"
       - name: Build and audit release artifacts
         run: >-
           ./gradlew $MMD_GRADLE_TOOLCHAINS clean check build javadoc verifyReleaseDependencies verifyReleaseArtifacts
           writeReleaseChecksums verifyEclipseProductionClasspath
           -PbaseMetalsDeobfJar=${{ steps.dependencies.outputs.basemetals }}
           -PoreSpawnDeobfJar=${{ steps.dependencies.outputs.orespawn }}
+          -Pforge45MavenizerJar=${{ steps.dependencies.outputs.mavenizer }}
           --no-daemon --stacktrace
       - name: Upload audited release candidate
         uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7
         with:
-          name: basePower-1.18.2-${{ github.sha }}
+          name: basePower-1.19.4-${{ github.sha }}
           if-no-files-found: error
           retention-days: 30
           path: |
-            build/libs/basePower-2.4.10.118021.jar
-            build/libs/basePower-2.4.10.118021-sources.jar
-            build/libs/basePower-2.4.10.118021-javadoc.jar
+            build/libs/basePower-2.4.11.119041.jar
+            build/libs/basePower-2.4.11.119041-sources.jar
+            build/libs/basePower-2.4.11.119041-javadoc.jar
             build/release/SHA256SUMS
             CHANGELOG.txt
       - name: Upload diagnostics on failure
         if: failure()
         uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7
         with:
-          name: basePower-1.18.2-diagnostics-${{ github.sha }}
+          name: basePower-1.19.4-diagnostics-${{ github.sha }}
           if-no-files-found: ignore
           retention-days: 14
           path: |

diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
@@ -2,9 +2,9 @@ name: CodeQL
 
 on:
   push:
-    branches: [master-1.18.2, 'feature/**']
+    branches: [master-1.19.4, 'feature/**']
   pull_request:
-    branches: [master-1.18.2]
+    branches: [master-1.19.4]
   schedule:
     - cron: '47 7 * * 4'
 
@@ -25,7 +25,7 @@ jobs:
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
         with:
           repository: MinecraftModDevelopmentMods/OreSpawn
-          ref: d31f52f296739f34a0c13f554abf3e1ac071ae25
+          ref: 444d86ef48db2bf54422901b067c51d5832197fc
           path: .ci-dependencies/OreSpawn
       - name: Use canonical LF dependency inputs
         # Use the same source bytes on hosted and local dependency builds.
@@ -34,7 +34,7 @@ jobs:
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
         with:
           repository: MinecraftModDevelopmentMods/BaseMetals
-          ref: 3488ed58403722ac3ff203cff7680dfc16e0fd3f
+          ref: a9fdd6842f2a2e1e2e5b9a0abf9178d5675df044
           path: .ci-dependencies/BaseMetals
       - name: Install pinned Java 25 Mavenizer runtime
         uses: actions/setup-java@b6effb05e454b25005698d916606bdc6ffcbf961 # v5
@@ -67,11 +67,13 @@ jobs:
           set -euo pipefail
           orespawn="$GITHUB_WORKSPACE/.ci-dependencies/OreSpawn"
           basemetals="$GITHUB_WORKSPACE/.ci-dependencies/BaseMetals"
+          mavenizer="$orespawn/ci-fixtures/tools/minecraft-mavenizer-0.5.21-orespawn-compat.jar"
           chmod +x "$orespawn/gradlew" "$basemetals/gradlew"
           (cd "$orespawn" && ./gradlew $MMD_GRADLE_TOOLCHAINS jar --no-daemon --stacktrace)
           (cd "$basemetals" && ./gradlew $MMD_GRADLE_TOOLCHAINS jar --no-daemon --stacktrace)
-          echo "orespawn=$orespawn/build/libs-dev/OreSpawn-4.1.0.118021-deobf.jar" >> "$GITHUB_OUTPUT"
-          echo "basemetals=$basemetals/build/libs-dev/BaseMetals-3.1.2.118021-deobf.jar" >> "$GITHUB_OUTPUT"
+          echo "orespawn=$orespawn/build/libs-dev/OreSpawn-4.1.0.119041-deobf.jar" >> "$GITHUB_OUTPUT"
+          echo "basemetals=$basemetals/build/libs-dev/BaseMetals-3.1.2.119041-deobf.jar" >> "$GITHUB_OUTPUT"
+          echo "mavenizer=$mavenizer" >> "$GITHUB_OUTPUT"
       - name: Initialize CodeQL
         uses: github/codeql-action/init@db488ddef3bf6cb639b32c2e9a7c0a7ea8271d28 # v4
         with:
@@ -81,6 +83,7 @@ jobs:
           chmod +x ./gradlew
           ./gradlew $MMD_GRADLE_TOOLCHAINS clean classes --rerun-tasks --no-build-cache --no-daemon --stacktrace \
             -PbaseMetalsDeobfJar=${{ steps.dependencies.outputs.basemetals }} \
-            -PoreSpawnDeobfJar=${{ steps.dependencies.outputs.orespawn }}
+            -PoreSpawnDeobfJar=${{ steps.dependencies.outputs.orespawn }} \
+            -Pforge45MavenizerJar=${{ steps.dependencies.outputs.mavenizer }}
       - name: Analyze
         uses: github/codeql-action/analyze@db488ddef3bf6cb639b32c2e9a7c0a7ea8271d28 # v4
diff --git a/.github/workflows/validate-gradle-build.yml b/.github/workflows/validate-gradle-build.yml
@@ -3,11 +3,11 @@ name: Validate Gradle Wrapper
 on:
   push:
     branches:
-      - master-1.18.2
+      - master-1.19.4
       - 'feature/**'
   pull_request:
     branches:
-      - master-1.18.2
+      - master-1.19.4
 
 permissions:
   contents: read

diff --git a/CHANGELOG.txt b/CHANGELOG.txt
@@ -1,3 +1,12 @@
+basePower 2.4.11.119041 (Minecraft 1.19.4)
+
+- Bring basePower to Forge 45 and Java 17 without renaming existing machines or items.
+- Use the Forge creative tab, fluid types and capabilities. The three mods still share one tab.
+- Load the existing machine and oil textures into the new Minecraft texture atlas.
+- Adapt the world upgrade hooks to the new save reader and retain the old block, item and machine mappings.
+- Keep saved painting variants and recognise the two unused villager points of interest that Minecraft removes when upgrading a 1.18.2 world.
+- Keep shared test sources in the right packages so the Eclipse project imports without Java errors.
+
 basePower 2.4.10.118021 (Minecraft 1.18.2)
 
 - Bring basePower to Forge 40 and Java 17, keeping the same blocks, items and machine data.

diff --git a/README.md b/README.md
@@ -1,41 +1,43 @@
 # basePower
 
-**Minecraft 1.18.2, version 2.4.10.118021.**
+**Minecraft 1.19.4, version 2.4.11.119041.**
 
-See the [1.18 port record](docs/1.18/PORT-STATUS.md) for the current checks.
+See the [1.19 port record](docs/1.19/PORT-STATUS.md) for the current checks.
 Results from earlier versions do not qualify this build.
 
 basePower continues DrCyano's Power Advantage. It provides shared power,
 fluids and item transport for baseSteam and baseElectric.
 
 **Back up the entire world before upgrading. Test only disposable copies.**
-The port keeps existing registry names and machine data. I tested disposable
-copies of original Advantage and released base* saves, including connected
-machines, and checked them again after closing and restarting Minecraft.
-Check that the other mods in your world support 1.18.2 before you upgrade.
+The port keeps existing registry names and machine data. The upgrade checks
+use disposable copies of original Advantage and released base* saves, including
+connected machines, and check them again after a full restart. Check that the
+other mods in your world support 1.19.4 before you upgrade.
 The accepted [1.14 results](docs/1.14/BROADER-QUALIFICATION.md) are historical
 evidence, not qualification of this port or a whole modpack.
 
 Recipe-book discovery now follows relevant ingredients. See the [all-Advantage material checklist and automated discovery tests](docs/1.13/RECIPE-DISCOVERY.md). To regenerate the checked-in unlock JSON after changing recipes, run `node tools/generate-recipe-unlocks.js`; `check` rejects missing or stale ingredient criteria.
 
 The [manufacturing progression audit](docs/1.13/MANUFACTURING-PROGRESSION.md) traces survival parts from raw resources, including configured material aliases, processing, loot-only parts and automated restart checks.
 
-## Building Minecraft 1.18.2
+## Building Minecraft 1.19.4
 
-The build uses Forge 40.3.0, official `1.18.2` mappings,
-MCP `20220404.173914`, ForgeGradle 7.0.34 and Gradle 9.6.1.
+The build uses Forge 45.4.0, official `1.19.4` mappings,
+MCP `20230314.122934`, ForgeGradle 7.0.34 and Gradle 9.6.1.
 Use Java 17 for Gradle, compilation and Minecraft. Mavenizer also
 needs Java 25. CI pins these JDKs and Java 8 for the legacy renamer. Pass the installed homes using
 `-Porg.gradle.java.installations.paths=<java8>,<java17>,<java25>` and disable
 automatic discovery and downloads for a reproducibility check.
 
-Build the pinned Base Metals `3.1.2.118021` and OreSpawn `4.1.0.118021` deobf jars first.
+Build the pinned Base Metals `3.1.2.119041` and OreSpawn `4.1.0.119041` deobf jars first.
 The source pins and checksums are in `gradle.properties`.
-Check out the pinned dependency sources with `core.autocrlf=false` so the
-Base Metals development jar matches CI.
-Use Base Metals 3.1.2 for upgrades with Base Metals installed. Its shared
-save hook lets both mods preserve old items and machines before Minecraft
-converts the chunk. Older Base Metals builds do not have that hook.
+Forge 45 also needs the Mavenizer compatibility jar in the pinned OreSpawn
+checkout's `ci-fixtures/tools/` directory. It fixes decompiled Forge sources
+on a clean build and uses Java 25. It is not part of the mod or game runtime.
+Set `-Pforge45MavenizerJar=<path>` when that checkout is in another location.
+Use Base Metals 3.1.2 if it is installed when upgrading a world. It lets
+both mods preserve old items and machines before Minecraft converts the
+chunk. An older Base Metals jar is not a substitute for this upgrade path.
 
 Then run from the repository root:
 
@@ -46,8 +48,8 @@ gradlew.bat clean check build javadoc verifyReleaseDependencies verifyReleaseArt
 The default dependency jars are:
 
 ```text
-D:\BaseMetals\BaseMetals 118\BaseMetals\build\libs-dev\BaseMetals-3.1.2.118021-deobf.jar
-D:\MinecraftMineralogy\OS118\OreSpawn\build\libs-dev\OreSpawn-4.1.0.118021-deobf.jar
+D:\BaseMetals\BaseMetals 119\BaseMetals\build\libs-dev\BaseMetals-3.1.2.119041-deobf.jar
+D:\MinecraftMineralogy\OS119\OreSpawn\build\libs-dev\OreSpawn-4.1.0.119041-deobf.jar
 ```
 
 Other layouts can pass `-PbaseMetalsDeobfJar=<path>` and `-PoreSpawnDeobfJar=<path>`.
@@ -69,17 +71,17 @@ Refresh the project in Eclipse, allow its Java build to finish, and launch the g
 
 Eclipse copies production resources from `build/resources/main`, not directly from `src/main/resources`. This prevents its builder from overwriting the expanded `mods.toml` with raw `${version}` placeholders. After updating this setup, use **Gradle > Refresh Gradle Project**, then **Project > Clean** before relaunching. After editing resources or version properties, run `processResources` or refresh the Gradle project before the Eclipse build. See the [metadata regression notes](docs/1.13/ECLIPSE-METADATA.md).
 
-To prepare a combined client, build the baseSteam and baseElectric `2.2.11.118021` deobf jars,
+To prepare a combined client, build the baseSteam and baseElectric `2.2.12.119041` deobf jars,
 run `gradlew.bat prepareCombinedEclipseLaunch`, refresh Eclipse, then launch
 `runClientAllAdvantage.launch`. Inputs must match
-`test-rig/profiles/native118/dev-core.json`; alternative layouts can pass
+`test-rig/profiles/native119/dev-core.json`; alternative layouts can pass
 `-PsteamAdvantageDeobfJar=<path>` and `-PelectricAdvantageDeobfJar=<path>`.
 The ordinary `runClient.launch` remains Power-only. Both use the `run` directory;
 preparing a launch does not copy, open or qualify a save.
 
-`check` and Eclipse preparation also run `verifyDevelopmentRuntimeArchives`,
-which reads every development runtime jar entry and checks its size and CRC.
-This catches damaged cached dependencies before the next test launch.
+`check` and the Eclipse audit verify that Java files are in the directories
+matching their packages. They also read every development runtime jar entry
+and check its size and CRC to catch damaged cached dependencies.
 
 Keep Eclipse's access-restriction checks enabled and use Java 17 for its project
 JRE and Minecraft launches. Check visuals, menus and recipe discovery against the
@@ -107,6 +109,6 @@ data-pack tags. The shared pre-flattening migration hook remains necessary;
 its presence is not proof that an upgrade is safe.
 
 The [legacy migration guide](docs/1.13/MIGRATION.md) describes the earlier protocols.
-The [1.18 status](docs/1.18/PORT-STATUS.md) tracks this port's qualification.
+The [1.19 status](docs/1.19/PORT-STATUS.md) tracks this port's qualification.
 
 The historical 1.10 handbook remains on the [1.10.2 branch](https://github.com/MinecraftModDevelopmentMods/PowerAdvantage/blob/master-1.10.2/docs/1.10/README.md).