IntelliJ Platform SDK DevGuide

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Incompatible Changes in IntelliJ Platform and Plugins API 2019.*

Changes in IntelliJ Platform 2019.2

java.org.java_websocket package removed
Java-WebSocket Library was removed, bundle it with your plugin instead.
com.intellij.ui.layout.Cell.invoke$default(Cell, JComponent, CCFlags[], int, GrowPolicy, String, int, Object) method parameter type changed
Signature of this function has been seriously changed without possibility to keep the old function. Change invocations and overriding of that function according to new parameters and recompile the code.
com.yourkit package removed
YourKit library has been extracted into the separate plugin which is not bundled in all IDEs by default. YourKit library is a library for profiling IDE, and its util classes shouldn’t be used for general purpose. Instead of com.yourkit.util.Strings please use org.apache.commons.lang.StringUtils. Instead of com.yourkit.util.ArrayUtil please use org.apache.commons.lang.ArrayUtils
org.jetbrains.intellij.build.ProductProperties: fields yourkitAgentBinariesDirectoryPath and enableYourkitAgentInEAP have been removed
Please bundle performanceTesting plugin in case you would like to bundle YourKit profiler within your IDE.
com.intellij.extapi.psi.PsiElementBase class removed
Please use com.intellij.psi.impl.PsiElementBase or one of its descendants as a base class for PSI elements, e.g. com.intellij.extapi.psi.ASTWrapperPsiElement, as suggested in Custom Language Support Tutorial.
com.intellij.extapi.psi.MetadataPsiElementBase class removed
Please use different base class for PSI elements.

Changes in IntelliJ Platform 2019.1

kotlinx.coroutines.experimental package removed
Bundled Kotlin library is updated to 1.3 so the plugins must migrate to the stable versions of coroutines.
com.intellij.openapi.vcs.impl.ProjectLevelVcsManagerImpl(Project, FileStatusManager, FileIndexFacade, ProjectManager, DefaultVcsRootPolicy, VcsFileListenerContextHelper) constructor removed
Use com.intellij.openapi.vcs.impl.ProjectLevelVcsManagerImpl.<init>(Project, FileStatusManager, FileIndexFacade, ProjectManager, DefaultVcsRootPolicy).
com.intellij.injected.editor.DocumentWindow.injectedToHost(int, boolean) abstract method added
Implement the method in DocumentWindow implementations.
git4idea.rebase.GitCommitEditingAction.actionPerformed(AnActionEvent) method marked final
Implement actionPerformedAfterChecks instead of actionPerformed.
git4idea.rebase.GitCommitEditingAction.actionPerformedAfterChecks(AnActionEvent) abstract method added
Implement actionPerformedAfterChecks instead of actionPerformed.
com.intellij.util.lang.UrlClassLoader.loadPlatformLibrary method removed
Use com.intellij.util.loader.NativeLibraryLoader.loadPlatformLibrary instead.
com.intellij.openapi.util.KeyedExtensionCollector.getExtensions() method marked final
Remove custom implementation.

Changes in DataGrip and Database Tools plugin 2019.1

com.intellij.sql.psi.SqlTokens.SQL_IDENT field type changed from com.intellij.sql.psi.impl.SqlTokenType to com.intellij.sql.psi.SqlTokenType
In most of the cases, it’s enough to recompile the code. It may also be needed to check that the code doesn’t rely on the field’s type.

Changes in Kotlin Plugin API 1.3

org.jetbrains.kotlin.KtNodeTypes.BOOLEAN_CONSTANT field type changed from org.jetbrains.kotlin.KtNodeType to com.intellij.psi.tree.IElementType
Field type has been generalized. In most of the cases, it’s enough to recompile the code of the plugin.
org.jetbrains.kotlin.KtNodeTypes.CHARACTER_CONSTANT field type changed from org.jetbrains.kotlin.KtNodeType to com.intellij.psi.tree.IElementType
Field type has been generalized. In most of the cases, it’s enough to recompile the code of the plugin.
org.jetbrains.kotlin.KtNodeTypes.FLOAT_CONSTANT field type changed from org.jetbrains.kotlin.KtNodeType to com.intellij.psi.tree.IElementType
Field type has been generalized. In most of the cases, it’s enough to recompile the code of the plugin.
org.jetbrains.kotlin.KtNodeTypes.INTEGER_CONSTANT field type changed from org.jetbrains.kotlin.KtNodeType to com.intellij.psi.tree.IElementType
Field type has been generalized. In most of the cases, it’s enough to recompile the code of the plugin.
org.jetbrains.kotlin.KtNodeTypes.STRING_TEMPLATE field type changed from org.jetbrains.kotlin.KtNodeType to com.intellij.psi.tree.IElementType
Field type has been generalized. In most of the cases, it’s enough to recompile the code of the plugin.
Last modified: 23 April 2019