In 2026.2 release of the platform, JavaScript plugin was updated to v2 plugin model.
You have a dependency on it in the repository: https://github.com/phodal/shire/blob/ef768073548a6c0eb344d4ae57855582ab187825/languages/shire-javascript/src/main/resources/com.phodal.shirelang.javascript.xml
Action point: please check that your plugin works fine with the 2026.2 version of the platform. If you see any linkage errors, add relevant<module name="intellij.javascript.<...>"> statements to your plugin descriptor.
Example: let's imagine you updated to 2026.2 version of the Platform and see the following error when running the plugin:
com.intellij.diagnostic.PluginException: com/intellij/lang/javascript/JSElementTypes [Plugin: com.intellij.javaee.jakarta.data]
.....
Caused by: java.lang.NoClassDefFoundError: com/intellij/lang/javascript/JSElementTypes
at com.intellij.scala.play.language.lexer.JSDependentSubstitutor.substitute(JSDependentSubstitutor.scala:10)
at com.intellij.scala.play.language.lexer.Play2ScalaLexerWrapper$MyHtmlLexer.getTokenType(Play2ScalaLexerWrapper.scala:177)
....
Caused by: java.lang.ClassNotFoundException: com.intellij.lang.javascript.JSElementTypes PluginClassLoader(plugin=ContentModuleDescriptor(id=scalaUltimate.play-js) <- PluginMainDescriptor(name=Scala, id=org.intellij.scala, version=2026.2.1, isBundled=false, path=~/Library/Application Support/JetBrains/IntelliJIdea2026.2/plugins/Scala), packagePrefix=null, state=active, parents=ContentModuleDescriptor(id=scalaUltimate.play) <- PluginMainDescriptor(name=Scala, id=org.intellij.scala, version=2026.2.1, isBundled=false, path=~/Library/Application Support/JetBrains/IntelliJIdea2026.2/plugins/Scala), PluginMainDescriptor(name=JavaScript and TypeScript, id=JavaScript, version=262.5792.0, isBundled=true, path=~/Applications/IntelliJ IDEA 2026.2 Nightly.app/Contents/plugins/javascript-plugin), PluginMainDescriptor(name=Scala, id=org.intellij.scala, version=2026.2.1, isBundled=false, path=~/Library/Application Support/JetBrains/IntelliJIdea2026.2/plugins/Scala), )
... 141 more
You then locate JSElementTypes class in your project:
And scroll a bit up in the project tree to see the module this file belongs:
It means you need to add the following line into your plugin.xml or module descriptor:
<dependencies>
...
<module name="intellij.javascript.parser">
</dependencies>
In 2026.2 release of the platform, JavaScript plugin was updated to v2 plugin model.
You have a dependency on it in the repository: https://github.com/phodal/shire/blob/ef768073548a6c0eb344d4ae57855582ab187825/languages/shire-javascript/src/main/resources/com.phodal.shirelang.javascript.xml
Action point: please check that your plugin works fine with the 2026.2 version of the platform. If you see any linkage errors, add relevant
<module name="intellij.javascript.<...>">statements to your plugin descriptor.Example: let's imagine you updated to 2026.2 version of the Platform and see the following error when running the plugin:
You then locate
JSElementTypesclass in your project:And scroll a bit up in the project tree to see the module this file belongs:
It means you need to add the following line into your plugin.xml or module descriptor: