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Java 26 support

Status: Open.

#503 In Guardsquare/proguard;

· piazzesiNiccolo-GS opened on Oct 7, 2025

Problem when obfuscating multi-level sealed interface hierarchies

bugPotential bug in ProGuard.Potential bug in ProGuard.

cant-reproduce

java

obfuscation

proguard-coreThe issue requires a change in ProGuardCOREThe issue requires a change in ProGuardCORE

Status: Open.

#501 In Guardsquare/proguard;

· Emmeral opened on Oct 6, 2025

Spring Boot WAR fails to start after ProGuard obfuscation (no logs in Tomcat 10)

obfuscation

spring-boot

war-support

Status: Open.

#500 In Guardsquare/proguard;

· ICRMS-TStack opened on Sep 29, 2025

java.lang.VerifyError when using MethodHandle constructs

bugPotential bug in ProGuard.Potential bug in ProGuard.

confirmed

obfuscation

proguard-coreThe issue requires a change in ProGuardCOREThe issue requires a change in ProGuardCORE

Status: Open.

#499 In Guardsquare/proguard;

· maartenc opened on Sep 25, 2025

Is there's ignore some class totally config

Status: Open.

#498 In Guardsquare/proguard;

· BerserkGuts opened on Sep 25, 2025

Don't merge classes with static initializers

bugPotential bug in ProGuard.Potential bug in ProGuard.

optimization

Status: Open.

#496 In Guardsquare/proguard;

· BoannWasHere opened on Sep 18, 2025

Request <code>-optimizationsummary</code> option

enhancementNew feature or requestNew feature or request

Status: Open.

#494 In Guardsquare/proguard;

· BoannWasHere opened on Aug 29, 2025

Proguard org.springframework.beans.BeanInstantiationException

Status: Open.

#491 In Guardsquare/proguard;

· PaoloHi opened on Aug 15, 2025

Using a switch on a class field which is an interface implemented by an Enum without explicitly casting to an enum will use the default branch every time after obfuscating

Status: Open.

#483 In Guardsquare/proguard;

· charon25 opened on Jun 24, 2025

Method overriding

Status: Open.

#482 In Guardsquare/proguard;

· SpigotRCE opened on Jun 19, 2025

<code>Invalid instruction offset</code> when trying to optimise ambiguous method calls disambiguated with casting

cant-reproduce

needs-more-info

Status: Open.

#478 In Guardsquare/proguard;

· soundasleep opened on May 12, 2025

Bad bytecode when optimizer enabled

Status: Open.

#477 In Guardsquare/proguard;

· revonateB0T opened on May 8, 2025