Migrate to MPS 2026.1 Bump mps/mbeddr/extensions dependencies, JDK/JBR to 25, run 2026.1 migrations (UpdateConceptMethodCall, javadoc to text, language versions) and record migration version 261.

.github/workflows/gradle.yml

@@ -30,11 +30,11 @@ jobs:
 
     steps:
     - uses: actions/checkout@v5
-    - name: Set up JDK 21
+    - name: Set up JDK 25
       uses: actions/setup-java@v5
       with:
         distribution: temurin
-        java-version: 21
+        java-version: 25
         cache: gradle
     - name: Install C++ build tools
       run: sudo apt-get update && sudo apt-get install -y g++ make xvfb

.github/workflows/publish-maven.yml

@@ -20,11 +20,11 @@ jobs:
 
     steps:
     - uses: actions/checkout@v5
-    - name: Set up JDK 21
+    - name: Set up JDK 25
       uses: actions/setup-java@v5
       with:
         distribution: temurin
-        java-version: 21
+        java-version: 25
     - name: Install C++ build tools
       run: sudo apt-get update && sudo apt-get install -y g++ make xvfb
     - name: Grant execute permission for gradlew

.github/workflows/release.yml

@@ -16,11 +16,11 @@ jobs:
 
     steps:
     - uses: actions/checkout@v5
-    - name: Set up JDK 21
+    - name: Set up JDK 25
       uses: actions/setup-java@v5
       with:
         distribution: temurin
-        java-version: 21
+        java-version: 25
     - name: Install C++ build tools
       run: sudo apt-get update && sudo apt-get install -y g++ make xvfb
     - name: Grant execute permission for gradlew
@@ -33,4 +33,3 @@ jobs:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         CI_COMMIT_SHA: ${{ github.sha }}
       run: xvfb-run --auto-servernum ./gradlew githubRelease
-

.mps/migration.xml

@@ -13,6 +13,7 @@
     <entry key="jetbrains.mps.ide.mpsmigration.v_2023_1.JavaModuleSettingsToFacet" value="executed" />
     <entry key="jetbrains.mps.ide.mpsmigration.v_2023_3.CleanStubForeignMethodIds" value="executed" />
     <entry key="jetbrains.mps.ide.mpsmigration.v_2024_3.LangResourceImport4Migration" value="executed" />
-    <entry key="project.migrated.version" value="251" />
+    <entry key="jetbrains.mps.ide.mpsmigration.v_2026_1.UpdateConceptMethodCall" value="executed" />
+    <entry key="project.migrated.version" value="261" />
   </component>
 </project>

build.gradle

@@ -27,7 +27,7 @@ plugins {
 }
 
 downloadJbr {
-    jbrVersion = '21.0.6-b895.109'
+    jbrVersion = '25.0.3-b329.124'
 }
 
 def incrementalBuild = !project.hasProperty("disableIncrementalBuild")
@@ -41,9 +41,9 @@ configurations {
 }
 
 dependencies {
-    mps "com.jetbrains:mps:2025.1.+"
-    languageLibs "com.mbeddr:mbeddr:2025.1.+"
-    languageLibs "de.itemis.mps:extensions:2025.1.+"
+    mps "com.jetbrains:mps:2026.1.+"
+    languageLibs "com.mbeddr:mbeddr:2026.1.+"
+    languageLibs "de.itemis.mps:extensions:2026.1.+"
     junitAnt 'org.apache.ant:ant-junit:1.10.17'
 }
 

gradle.properties

@@ -1,3 +1,3 @@
-mbeddrCppVersion = 2025.1
+mbeddrCppVersion = 2026.1
 systemProp.org.gradle.internal.http.connectionTimeout=180000
 systemProp.org.gradle.internal.http.socketTimeout=180000

languages/com.mbeddr.cpp.base/com.mbeddr.cpp.base.mpl

@@ -35,10 +35,10 @@
     <language slang="l:443f4c36-fcf5-4eb6-9500-8d06ed259e3e:jetbrains.mps.baseLanguage.classifiers" version="0" />
     <language slang="l:fd392034-7849-419d-9071-12563d152375:jetbrains.mps.baseLanguage.closures" version="0" />
     <language slang="l:83888646-71ce-4f1c-9c53-c54016f6ad4f:jetbrains.mps.baseLanguage.collections" version="2" />
-    <language slang="l:f2801650-65d5-424e-bb1b-463a8781b786:jetbrains.mps.baseLanguage.javadoc" version="2" />
+    <language slang="l:f2801650-65d5-424e-bb1b-463a8781b786:jetbrains.mps.baseLanguage.javadoc" version="3" />
     <language slang="l:c7d5b9dd-a05f-4be2-bc73-f2e16994cc67:jetbrains.mps.baseLanguage.lightweightdsl" version="1" />
     <language slang="l:760a0a8c-eabb-4521-8bfd-65db761a9ba3:jetbrains.mps.baseLanguage.logging" version="0" />
-    <language slang="l:a247e09e-2435-45ba-b8d2-07e93feba96a:jetbrains.mps.baseLanguage.tuples" version="0" />
+    <language slang="l:a247e09e-2435-45ba-b8d2-07e93feba96a:jetbrains.mps.baseLanguage.tuples" version="1" />
     <language slang="l:df345b11-b8c7-4213-ac66-48d2a9b75d88:jetbrains.mps.baseLanguageInternal" version="0" />
     <language slang="l:aee9cad2-acd4-4608-aef2-0004f6a1cdbd:jetbrains.mps.lang.actions" version="4" />
     <language slang="l:af65afd8-f0dd-4942-87d9-63a55f2a9db1:jetbrains.mps.lang.behavior" version="2" />
@@ -62,7 +62,7 @@
     <language slang="l:d4615e3b-d671-4ba9-af01-2b78369b0ba7:jetbrains.mps.lang.pattern" version="2" />
     <language slang="l:3a13115c-633c-4c5c-bbcc-75c4219e9555:jetbrains.mps.lang.quotation" version="5" />
     <language slang="l:3ecd7c84-cde3-45de-886c-135ecc69b742:jetbrains.mps.lang.refactoring" version="0" />
-    <language slang="l:982eb8df-2c96-4bd7-9963-11712ea622e5:jetbrains.mps.lang.resources" version="3" />
+    <language slang="l:982eb8df-2c96-4bd7-9963-11712ea622e5:jetbrains.mps.lang.resources" version="4" />
     <language slang="l:b3551702-269c-4f05-ba61-58060cef4292:jetbrains.mps.lang.rulesAndMessages" version="0" />
     <language slang="l:d8f591ec-4d86-4af2-9f92-a9e93c803ffa:jetbrains.mps.lang.scopes" version="0" />
     <language slang="l:0eddeefa-c2d6-4437-bc2c-de50fd4ce470:jetbrains.mps.lang.script" version="1" />