intellij-sdk-code-samples/reference_guide/api_changes_list.md

title
Incompatible Changes in IntelliJ Platform and Plugins API

Changes in IntelliJ Platform 2018.1

Change	How to deal with it
com.google.common.base.Objects.ToStringHelper class removed	Use com.google.common.base.MoreObjects.ToStringHelper instead
com.google.common.util.concurrent.Futures.get method removed	Use com.google.common.util.concurrent.Futures.getChecked instead
org.tmatesoft.svn package removed	Use classes from org.jetbrains.idea.svn instead
org.jetbrains.idea.svn.svnkit.SvnKitManager class removed	Use org.jetbrains.idea.svn.api.ClientFactory instead

Changes in PhpStorm and PHP plugin 2018.1

Change	How to deal with it
com.jetbrains.php.lang.documentation.phpdoc.parser.PhpDocElementTypes.DOC_COMMENT field type changed from com.intellij.psi.tree.ILazyParseableElementType to com.jetbrains.php.lang.documentation.phpdoc.psi.stubs.PhpDocCommentElementType	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.
com.jetbrains.php.lang.documentation.phpdoc.parser.PhpDocElementTypes.phpDocSpecialTag field type changed from com.intellij.psi.tree.ILazyParseableElementType to com.jetbrains.php.lang.documentation.phpdoc.psi.stubs.PhpDocMethodTagElementType	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.
com.jetbrains.php.lang.documentation.phpdoc.parser.PhpDocElementTypes.phpDocTag field type changed from com.jetbrains.php.lang.documentation.phpdoc.psi.PhpDocElementType to com.jetbrains.php.lang.documentation.phpdoc.psi.stubs.PhpDocTagElementType	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.
com.jetbrains.php.lang.documentation.phpdoc.parser.PhpDocElementTypes.phpDocReturn field type changed from com.jetbrains.php.lang.documentation.phpdoc.psi.PhpDocElementType to com.jetbrains.php.lang.documentation.phpdoc.psi.stubs.PhpDocTagElementType	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.
com.jetbrains.php.lang.documentation.phpdoc.parser.PhpDocElementTypes.phpDocMixin field type changed from com.jetbrains.php.lang.documentation.phpdoc.psi.PhpDocElementType to com.jetbrains.php.lang.documentation.phpdoc.psi.stubs.PhpDocTagElementType	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.
com.jetbrains.php.lang.documentation.phpdoc.parser.PhpDocElementTypes.phpDocThrows field type changed from com.jetbrains.php.lang.documentation.phpdoc.psi.PhpDocElementType to com.jetbrains.php.lang.documentation.phpdoc.psi.stubs.PhpDocTagElementType	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.
com.jetbrains.php.lang.documentation.phpdoc.parser.PhpDocElementTypes.phpDocParam field type changed from com.jetbrains.php.lang.documentation.phpdoc.psi.PhpDocElementType to com.jetbrains.php.lang.documentation.phpdoc.psi.stubs.PhpDocTagElementType	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.
com.jetbrains.php.lang.documentation.phpdoc.parser.PhpDocElementTypes.phpDocInlineTag field type changed from com.jetbrains.php.lang.documentation.phpdoc.psi.PhpDocElementType to com.jetbrains.php.lang.documentation.phpdoc.psi.stubs.PhpDocTagElementType	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.
com.jetbrains.php.lang.documentation.phpdoc.parser.PhpDocElementTypes.phpDocMethod field type changed from com.jetbrains.php.lang.documentation.phpdoc.psi.PhpDocElementType to com.jetbrains.php.lang.documentation.phpdoc.psi.stubs.PhpDocMethodElementType	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.
com.jetbrains.php.lang.documentation.phpdoc.parser.PhpDocElementTypes.phpDocProperty field type changed from com.jetbrains.php.lang.documentation.phpdoc.psi.PhpDocElementType to com.jetbrains.php.lang.documentation.phpdoc.psi.stubs.PhpDocPropertyElementType	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.
com.jetbrains.php.lang.documentation.phpdoc.parser.tags.PhpDocTagParser.getElementType method return type changed from com.jetbrains.php.lang.documentation.phpdoc.psi.PhpDocElementType to com.intellij.psi.tree.IElementType	In most of the cases it's enough to recompile the code. It's also necessary to change the return type of subclasses.
com.jetbrains.php.lang.documentation.phpdoc.psi.impl.PhpDocCommentImpl superclass changed from com.intellij.psi.impl.source.tree.LazyParseablePsiElement to com.jetbrains.php.lang.psi.elements.impl.PhpPsiElementImpl	It's necessary to check that the code doesn't rely on the superclass.
com.jetbrains.php.lang.documentation.phpdoc.psi.impl.tags.PhpDocTagImpl superclass changed from com.jetbrains.php.lang.documentation.phpdoc.psi.impl.PhpDocPsiElementImpl to com.jetbrains.php.lang.psi.elements.impl.PhpTypedElementImpl	It's necessary to check that the code doesn't rely on the superclass. The change also affects all the inheritors of PhpDocTagImpl.
com.jetbrains.php.lang.documentation.phpdoc.psi.impl.tags.PhpDocMethodTagImpl superclass changed from com.intellij.psi.impl.source.tree.LazyParseablePsiElement to com.jetbrains.php.lang.documentation.phpdoc.psi.impl.tags.PhpDocTagImpl	It's necessary to check that the code doesn't rely on the superclass.
com.jetbrains.php.lang.documentation.phpdoc.psi.impl.tags.PhpDocMethodImpl superclass changed from com.jetbrains.php.lang.documentation.phpdoc.psi.impl.PhpDocPsiElementImpl to com.jetbrains.php.lang.psi.elements.impl.PhpNamedElementImpl	It's necessary to check that the code doesn't rely on the superclass.

Changes in IntelliJ Platform 2017.3

Change	How to deal with it
com.intellij.internal.statistic.AbstractApplicationUsagesCollector class removed	This class isn't supposed to be used in regular plugins. Override com.intellij.internal.statistic.AbstractProjectsUsagesCollector instead if you're developing an IDE with its own statistics services.
com.intellij.internal.statistic.UsagesCollector.doPersistProjectUsages method removed	This method isn't supposed to be used in regular plugins. There is no need to call this method anymore.
org.apache.sanselan package removed	Use classes from org.apache.commons.imaging instead
com.intellij.psi.MultiplePsiFilesPerDocumentFileViewProvider.getLanguages abstract method added	Implementation of this class are supposed to have several languages so you need to implement this method explicitly and return them all
org.jetbrains.kotlin.idea.configuration.KotlinProjectConfigurator.changeCoroutineConfiguration abstract method added	You need to implement this method and add the logic for updating the configuration in your build system
org.jetbrains.kotlin.idea.configuration.KotlinProjectConfigurator.updateLanguageVersion abstract method added	You need to implement this method and add the logic for updating the configuration in your build system
org.jetbrains.kotlin.idea.configuration.KotlinProjectConfigurator.addLibraryDependency abstract method added	You need to implement this method and add the logic for updating the configuration in your build system

Changes in DataGrip and Database Tools plugin 2017.3

Change	How to deal with it
com.intellij.database.dataSource.DataSourceManager class removed	Use com.intellij.database.psi.DbPsiFacade instead
com.intellij.database.dataSource.DataSourceManagerEx class removed	Use com.intellij.database.psi.DbPsiFacade instead
com.intellij.database.dataSource.DataSource class removed	Use com.intellij.database.psi.DbDataSource and com.intellij.database.model.DatabaseSystem instead.
com.intellij.database.psi.DbDataSource.getModel method return type changed from DbElement-based model to DasObject-based model	Use com.intellij.database.psi.DbPsiFacade.findElement to get the corresponding com.intellij.database.psi.DbElement wrapper when needed.
com.intellij.database.view.DatabaseView.getTreeBuilder method removed	Use LangDataKeys.PSI_ELEMENT_ARRAY.get(event) to get Database view selection

Changes in PhpStorm and PHP plugin 2017.3

Change	How to deal with it
com.jetbrains.php.lang.psi.elements.Function.getReturnType() method return type changed from PsiElement to PhpReturnType	Before method had been returning a com.jetbrains.php.lang.psi.elements.ClassReference. Now method returns com.jetbrains.php.lang.psi.elements.PhpReturnType. Method ReturnType.getClassReference() can be used if you need just a ClassReference. If you need to get the PhpType, use com.jetbrains.php.lang.psi.elements.Function.getReturnType.getType() method instead

Changes in IntelliJ Platform 2016.3

Change	How to deal with it
ApplicationListener.afterWriteActionFinished abstract method added	Implement this method or extend com.intellij.openapi.application.ApplicationAdapter class instead of implementing the interface

Changes in IntelliJ Platform 2016.2

Change	How to deal with it
com.intellij.util.net.HttpConfigurable.PROXY_LOGIN field removed	Use com.intellij.util.net.HttpConfigurable.getProxyLogin() instead
com.intellij.util.net.HttpConfigurable.PROXY_PASSWORD_CRYPT field removed	Use com.intellij.util.net.HttpConfigurable.getPlainProxyPassword() instead
org.jetbrains.asm4 package removed	Use classes from org.jetbrains.org.objectweb.asm package instead