SkyBlade1978 · Nov 12, 2026 · Nov 12, 2026 · Nov 12, 2026 · Nov 12, 2026 · Nov 12, 2026
diff --git a/.github/verify-published-pins.sh b/.github/verify-published-pins.sh
@@ -9,10 +9,10 @@ require_merged() {
         echo "::error::$repo needs an exact source pin. A pending local candidate is not a public dependency."
         exit 1
     fi
-    status="$(gh api "repos/MinecraftModDevelopmentMods/$repo/compare/$ref...master-1.21.11" --jq '.status')"
+    status="$(gh api "repos/MinecraftModDevelopmentMods/$repo/compare/$ref...master-26.1.2" --jq '.status')"
     case "$status" in
         identical|ahead) ;;
-        *) echo "::error::$repo $ref is not on upstream master-1.21.11 ($status)."; exit 1 ;;
+        *) echo "::error::$repo $ref is not on upstream master-26.1.2 ($status)."; exit 1 ;;
     esac
 }
 
@@ -39,7 +39,7 @@ require_merged basePower "$power_ref"
 require_merged BaseMetals "$(value basemetals_source_commit)"
 require_merged OreSpawn "$orespawn_ref"
 
-inputs="${RUNNER_TEMP:?}/forge61-release-dependencies"
+inputs="${RUNNER_TEMP:?}/forge64-release-dependencies"
 mkdir -p "$inputs"
 power="$inputs/basePower-$(value poweradvantage_version).jar"
 metals="$inputs/BaseMetals-$(value basemetals_version).jar"
@@ -48,8 +48,8 @@ public_jar basePower 1780140 "$(value poweradvantage_public_file_id)" "$(value p
 public_jar BaseMetals 240967 "$(value basemetals_public_file_id)" "$(value basemetals_deobf_sha256)" "$metals"
 public_jar OreSpawn 245586 "$(value orespawn_public_file_id)" "$(value orespawn_deobf_sha256)" "$orespawn"
 
-installer="$inputs/forge-1.21.11-61.1.0-installer.jar"
-download 'https://maven.minecraftforge.net/net/minecraftforge/forge/1.21.11-61.1.0/forge-1.21.11-61.1.0-installer.jar' \
+installer="$inputs/forge-26.1.2-64.1.5-installer.jar"
+download 'https://maven.minecraftforge.net/net/minecraftforge/forge/26.1.2-64.1.5/forge-26.1.2-64.1.5-installer.jar' \
     "$(value forge_installer_sha256)" "$installer"
 {
     printf 'power_ref=%s\n' "$power_ref"

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -1,16 +1,16 @@
-name: baseSteam 1.21.11 CI
+name: baseSteam 26.1.2 CI
 
 on:
   push:
-    branches: [master-1.21.11, 'feature/**']
+    branches: [master-26.1.2, 'feature/**']
   pull_request:
-    branches: [master-1.21.11]
+    branches: [master-26.1.2]
 
 permissions:
   contents: read
 
 concurrency:
-  group: basesteam-1.21.11-${{ github.workflow }}-${{ github.ref }}
+  group: basesteam-26.1.2-${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
 jobs:
@@ -40,29 +40,19 @@ jobs:
           repository: MinecraftModDevelopmentMods/basePower
           ref: ${{ steps.public-pins.outputs.power_ref }}
           path: .ci-dependencies/basePower
-      - name: Install Java 25 for Mavenizer
+      - name: Install Java 25 for Gradle, compiler, Mavenizer and Slime
         uses: actions/setup-java@b6effb05e454b25005698d916606bdc6ffcbf961 # v5
         with:
           distribution: temurin
           java-version: '25.0.3+9.0.LTS'
-      - name: Install Java 8 for the launcher helper
-        uses: actions/setup-java@b6effb05e454b25005698d916606bdc6ffcbf961 # v5
-        with:
-          distribution: temurin
-          java-version: '8.0.502+7'
-      - name: Install Java 21 for Gradle and production
-        uses: actions/setup-java@b6effb05e454b25005698d916606bdc6ffcbf961 # v5
-        with:
-          distribution: temurin
-          java-version: '21.0.7+6.0.LTS'
       - name: Use pinned build toolchains
         run: >-
-          echo "MMD_GRADLE_TOOLCHAINS=-Porg.gradle.java.installations.paths=$JAVA_HOME,$JAVA_HOME_8_X64,$JAVA_HOME_25_X64
+          echo "MMD_GRADLE_TOOLCHAINS=-Porg.gradle.java.installations.paths=$JAVA_HOME
           -Porg.gradle.java.installations.auto-detect=false
           -Porg.gradle.java.installations.auto-download=false" >> "$GITHUB_ENV"
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@9c971963bec38e04b3d30dcc455b5382be2fdbfb # v6
-      - name: Verify the Forge 61 build inputs
+      - name: Verify the Forge 64 build inputs
         shell: bash
         env:
           ORESPAWN_REF: ${{ steps.public-pins.outputs.orespawn_ref }}
@@ -74,44 +64,45 @@ jobs:
           test "$(git -C "$orespawn" rev-parse HEAD)" = "$ORESPAWN_REF"
           test "$(git -C "$power" rev-parse HEAD)" = "$POWER_REF"
           mavenizer="$orespawn/ci-fixtures/tools/minecraft-mavenizer-0.5.21-orespawn-compat.jar"
-          printf '%s  %s\n' 'B36CA046DB72E30F27BD38E02B4AE34274ADB51AE1D65BAF9E1D07763755682E' "$mavenizer" | sha256sum -c -
+          printf '%s  %s\n' 'BB0DACB3DEB2A711CA67DD402D5FDAB5A9847C37C7B9B596DEC7CF37378FA085' "$mavenizer" | sha256sum -c -
           echo "MAVENIZER=$mavenizer" >> "$GITHUB_ENV"
       - name: Build the released basePower test bootstrap
         shell: bash
         run: |
           set -euo pipefail
           power="$GITHUB_WORKSPACE/.ci-dependencies/basePower"
           (cd "$power" && bash ./gradlew $MMD_GRADLE_TOOLCHAINS unitBootstrapJar \
-            "-Pforge61MavenizerJar=$MAVENIZER" "-PbaseMetalsDeobfJar=$METALS_PLAYER" "-PoreSpawnDeobfJar=$ORESPAWN_PLAYER" --no-daemon)
+            "-Pforge64MavenizerJar=$MAVENIZER" "-PbaseMetalsDeobfJar=$METALS_PLAYER" "-PoreSpawnDeobfJar=$ORESPAWN_PLAYER" --no-daemon)
           echo "POWER_BOOTSTRAP=$power/build/unit-bootstrap/forge-native-unit-bootstrap.jar" >> "$GITHUB_ENV"
           echo "POWER_BOOTSTRAP_SOURCE=$power/test-rig/unit-bootstrap/ForgeCapabilityBootstrap.java" >> "$GITHUB_ENV"
           echo "POWER_REGISTRY_SOURCE=$power/test-rig/unit-support/zone/moddev/mc/advantageworks/unit/ForgeUnitRegistries.java" >> "$GITHUB_ENV"
+          echo "POWER_LOADER_SOURCE=$power/test-rig/unit-support/zone/moddev/mc/advantageworks/unit/Forge64UnitLoader.java" >> "$GITHUB_ENV"
       - name: Build and audit release artifacts
         shell: bash
         run: |
           ./gradlew $MMD_GRADLE_TOOLCHAINS clean check build javadoc verifyReleaseDependencies verifyReleaseArtifacts \
             writeReleaseChecksums verifyEclipseProductionClasspath --no-build-cache --no-daemon --stacktrace \
-            "-Pforge61MavenizerJar=$MAVENIZER" "-PpowerAdvantageDeobfJar=$POWER_PLAYER" \
+            "-Pforge64MavenizerJar=$MAVENIZER" "-PpowerAdvantageDeobfJar=$POWER_PLAYER" \
             "-PbaseMetalsDeobfJar=$METALS_PLAYER" "-PoreSpawnDeobfJar=$ORESPAWN_PLAYER" \
             "-PforgeCapabilityBootstrapJar=$POWER_BOOTSTRAP" "-PforgeCapabilityBootstrapSource=$POWER_BOOTSTRAP_SOURCE" \
-            "-PforgeUnitRegistriesSource=$POWER_REGISTRY_SOURCE"
+            "-PforgeUnitRegistriesSource=$POWER_REGISTRY_SOURCE" "-Pforge64UnitLoaderSource=$POWER_LOADER_SOURCE"
       - name: Upload audited release candidate
         uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7
         with:
-          name: baseSteam-1.21.11-${{ github.sha }}
+          name: baseSteam-26.1.2-${{ github.sha }}
           if-no-files-found: error
           retention-days: 30
           path: |
-            build/libs/baseSteam-2.2.16.121111.jar
-            build/libs/baseSteam-2.2.16.121111-sources.jar
-            build/libs/baseSteam-2.2.16.121111-javadoc.jar
+            build/libs/baseSteam-2.2.17.2601021.jar
+            build/libs/baseSteam-2.2.17.2601021-sources.jar
+            build/libs/baseSteam-2.2.17.2601021-javadoc.jar
             build/release/SHA256SUMS
             CHANGELOG.txt
       - name: Upload diagnostics on failure
         if: failure()
         uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7
         with:
-          name: baseSteam-1.21.11-diagnostics-${{ github.sha }}
+          name: baseSteam-26.1.2-diagnostics-${{ 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
@@ -2,17 +2,17 @@ name: CodeQL
 
 on:
   push:
-    branches: [master-1.21.11, 'feature/**']
+    branches: [master-26.1.2, 'feature/**']
   pull_request:
-    branches: [master-1.21.11]
+    branches: [master-26.1.2]
 
 permissions:
   contents: read
   actions: read
   security-events: write
 
 concurrency:
-  group: basesteam-1.21.11-${{ github.workflow }}-${{ github.ref }}
+  group: basesteam-26.1.2-${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
 jobs:
@@ -42,29 +42,19 @@ jobs:
           repository: MinecraftModDevelopmentMods/basePower
           ref: ${{ steps.public-pins.outputs.power_ref }}
           path: .ci-dependencies/basePower
-      - name: Install Java 25 for Mavenizer
+      - name: Install Java 25 for Gradle, compiler, Mavenizer and Slime
         uses: actions/setup-java@b6effb05e454b25005698d916606bdc6ffcbf961 # v5
         with:
           distribution: temurin
           java-version: '25.0.3+9.0.LTS'
-      - name: Install Java 8 for the launcher helper
-        uses: actions/setup-java@b6effb05e454b25005698d916606bdc6ffcbf961 # v5
-        with:
-          distribution: temurin
-          java-version: '8.0.502+7'
-      - name: Install Java 21 for Gradle and production
-        uses: actions/setup-java@b6effb05e454b25005698d916606bdc6ffcbf961 # v5
-        with:
-          distribution: temurin
-          java-version: '21.0.7+6.0.LTS'
       - name: Use pinned build toolchains
         run: >-
-          echo "MMD_GRADLE_TOOLCHAINS=-Porg.gradle.java.installations.paths=$JAVA_HOME,$JAVA_HOME_8_X64,$JAVA_HOME_25_X64
+          echo "MMD_GRADLE_TOOLCHAINS=-Porg.gradle.java.installations.paths=$JAVA_HOME
           -Porg.gradle.java.installations.auto-detect=false
           -Porg.gradle.java.installations.auto-download=false" >> "$GITHUB_ENV"
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@9c971963bec38e04b3d30dcc455b5382be2fdbfb # v6
-      - name: Verify the Forge 61 build inputs
+      - name: Verify the Forge 64 build inputs
         shell: bash
         env:
           ORESPAWN_REF: ${{ steps.public-pins.outputs.orespawn_ref }}
@@ -76,7 +66,7 @@ jobs:
           test "$(git -C "$orespawn" rev-parse HEAD)" = "$ORESPAWN_REF"
           test "$(git -C "$power" rev-parse HEAD)" = "$POWER_REF"
           mavenizer="$orespawn/ci-fixtures/tools/minecraft-mavenizer-0.5.21-orespawn-compat.jar"
-          printf '%s  %s\n' 'B36CA046DB72E30F27BD38E02B4AE34274ADB51AE1D65BAF9E1D07763755682E' "$mavenizer" | sha256sum -c -
+          printf '%s  %s\n' 'BB0DACB3DEB2A711CA67DD402D5FDAB5A9847C37C7B9B596DEC7CF37378FA085' "$mavenizer" | sha256sum -c -
           echo "MAVENIZER=$mavenizer" >> "$GITHUB_ENV"
       - name: Initialize CodeQL
         uses: github/codeql-action/init@db488ddef3bf6cb639b32c2e9a7c0a7ea8271d28 # v4
@@ -87,7 +77,7 @@ jobs:
         shell: bash
         run: |
           ./gradlew $MMD_GRADLE_TOOLCHAINS classes verifyReleaseDependencies --rerun-tasks --no-build-cache --no-daemon --stacktrace \
-            "-Pforge61MavenizerJar=$MAVENIZER" "-PpowerAdvantageDeobfJar=$POWER_PLAYER" \
+            "-Pforge64MavenizerJar=$MAVENIZER" "-PpowerAdvantageDeobfJar=$POWER_PLAYER" \
             "-PbaseMetalsDeobfJar=$METALS_PLAYER" "-PoreSpawnDeobfJar=$ORESPAWN_PLAYER"
       - name: Analyze
         uses: github/codeql-action/analyze@db488ddef3bf6cb639b32c2e9a7c0a7ea8271d28 # v4
diff --git a/.github/workflows/release-on-tag.yml b/.github/workflows/release-on-tag.yml
@@ -37,9 +37,9 @@ jobs:
           minecraft_version="$(value minecraft_version)"
           loader_name="$(value loader_name)"
           loader_code="$(value loader_code)"
-          if [[ "$minecraft_version" != '1.21.11' || "$(value forge_version)" != '61.1.0' ||
-                "$(value mapping_version)" != '1.21.11' || "$(value mcp_version)" != '20251223.124241' ]]; then
-            echo 'Expected the exact Minecraft 1.21.11 Forge 61.1.0 release target' >&2
+          if [[ "$minecraft_version" != '26.1.2' || "$(value forge_version)" != '64.1.5' ||
+                "$(value mapping_version)" != '26.1.2' || "$(value mcp_version)" != '20260409.101008' ]]; then
+            echo 'Expected the exact Minecraft 26.1.2 Forge 64.1.5 release target' >&2
             exit 1
           fi
 

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-1.21.11
+      - master-26.1.2
       - 'feature/**'
   pull_request:
     branches:
-      - master-1.21.11
+      - master-26.1.2
 
 permissions:
   contents: read

diff --git a/CHANGELOG.txt b/CHANGELOG.txt
@@ -1,3 +1,13 @@
+baseSteam 2.2.17.2601021 (Minecraft 26.1.2 / Forge)
+
+- Bring baseSteam to Minecraft 26.1.2 with Forge 64.1.5 and Java 25.
+- Preserve machine state, registry IDs, recipes, progression and old-world aliases.
+- Fix boilers and blast furnaces consuming fuels without a crafting remainder; keep fuel use and container returns unchanged.
+- Keep all nine salvage recipes in their original recipe modes without unsafe setup-time item creation.
+- Keep small textures from other mods out of Steam's native atlases.
+- Pin released basePower 2.4.16.2601021, Base Metals 3.1.2.2601021 and OreSpawn 4.1.1.2601021.
+- Complete the local machine, upgrade, graphical, endurance and manual-acceptance checks.
+
 baseSteam 2.2.16.121111 (Minecraft 1.21.11 / Forge)
 
 - Target Forge 61.1.0, Java 21 and released basePower 2.4.15.121111.