Relative diffs no longer working with IDEs 2026.1+

[hoxi]

Any relative git dff (such as HEAD~2 or master~1) does not seem to work in IDEs 2026.1 or later.

[pawel-jedruch-swiftpay]

Not sure if this is related to this one, but with the 2026.1 (Build #IU-261.22158.277, built on March 25, 2026) i Got this exception:

GitContentRevision.getContentAsBytes() should not be called from EDT

java.lang.Throwable
	at git4idea.GitContentRevision.getContentAsBytes(GitContentRevision.java:69)
	at git4idea.GitContentRevision.getContent(GitContentRevision.java:57)
	at implementation.lineStatusTracker.MyLineStatusTrackerImpl.updateLineStatusByChangesForEditor(MyLineStatusTrackerImpl.java:249)
	at implementation.lineStatusTracker.MyLineStatusTrackerImpl.lambda$update$0(MyLineStatusTrackerImpl.java:228)
	at com.intellij.openapi.application.TransactionGuardImpl.runWithWritingAllowed(TransactionGuardImpl.java:236)
	at com.intellij.openapi.application.TransactionGuardImpl.access$100(TransactionGuardImpl.java:22)
	at com.intellij.openapi.application.TransactionGuardImpl$1.run(TransactionGuardImpl.java:198)
	at com.intellij.openapi.application.impl.AppImplKt$runnableUnitFunction$1.invoke(appImpl.kt:124)
	at com.intellij.openapi.application.impl.AppImplKt$runnableUnitFunction$1.invoke(appImpl.kt:124)
	at com.intellij.platform.locking.impl.NestedLocksThreadingSupport.runWriteIntentReadAction(NestedLocksThreadingSupport.kt:705)
	at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:1094)
	at com.intellij.openapi.application.impl.ApplicationImpl$7.lambda$run$0(ApplicationImpl.java:648)
	at com.intellij.concurrency.ThreadContext.installThreadContext(threadContext.kt:305)
	at com.intellij.openapi.application.impl.ApplicationImpl$7.run(ApplicationImpl.java:646)
	at com.intellij.util.concurrency.ChildContext$runInChildContext$1.invoke(propagation.kt:192)
	at com.intellij.util.concurrency.ChildContext$runInChildContext$1.invoke(propagation.kt:192)
	at com.intellij.util.concurrency.ChildContext.runInChildContext(propagation.kt:198)
	at com.intellij.util.concurrency.ChildContext.runInChildContext(propagation.kt:192)
	at com.intellij.util.concurrency.ContextRunnable.lambda$run$0(ContextRunnable.java:26)
	at com.intellij.concurrency.ThreadContext.resetThreadContext(threadContext.kt:294)
	at com.intellij.util.concurrency.ContextRunnable.run(ContextRunnable.java:25)
	at com.intellij.openapi.application.impl.NonBlockingFlushQueue.runNextEvent$lambda$1$1$0(NonBlockingFlushQueue.kt:334)
	at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:928)
	at com.intellij.openapi.application.impl.NonBlockingFlushQueue.runNextEvent$lambda$1$1(NonBlockingFlushQueue.kt:333)
	at com.intellij.concurrency.ThreadContext.resetThreadContext(threadContext.kt:294)
	at com.intellij.openapi.application.impl.NonBlockingFlushQueue.runNextEvent$lambda$1(NonBlockingFlushQueue.kt:330)
	at com.intellij.platform.locking.impl.NestedLocksThreadingSupport.tryRunWriteIntentReadAction(NestedLocksThreadingSupport.kt:747)
	at com.intellij.openapi.application.impl.NonBlockingFlushQueue.runNextEvent(NonBlockingFlushQueue.kt:326)
	at com.intellij.openapi.application.impl.NonBlockingFlushQueue.flushNow(NonBlockingFlushQueue.kt:305)
	at com.intellij.openapi.application.impl.NonBlockingFlushQueue.FLUSH_NOW$lambda$0(NonBlockingFlushQueue.kt:167)
	at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:323)
	at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:732)
	at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:711)
	at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.kt:720)
	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.kt:573)
	at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$0$0$0(IdeEventQueue.kt:377)
	at com.intellij.ide.IdeEventQueueKt.performActivity$lambda$0(IdeEventQueue.kt:1110)
	at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:106)
	at com.intellij.ide.IdeEventQueueKt.performActivity(IdeEventQueue.kt:1110)
	at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$0(IdeEventQueue.kt:375)
	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.kt:415)
	at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:207)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
	at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:92)

[hoxi]

This EDT error is actually more or less the same as #80, and this will be fixed in the 2026.1 release of the plugin (that is very close to be submitted for JetBrains approval).

[hoxi]

Fixed in 2026.1