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[.Net 10][Rider]Building solution throws error Β #21565

@jhanvi03

Description

@jhanvi03

Current behavior πŸ›

The build is failing on Rider when project is created using .NET 10 (CLI or Wizard) on MacOS Khalil is not able to repro on windows.

  • Uno-check & uno-check --pre-major is green
  • Closing and reopening the solution did not work
  • Issues occurs on both Rider EAP(2025.3 EAP 4) and current stable(Rider 2025.2.3)
  • sdk/template: 6.3.28, Rider Plugin 1.7.24
  • Using latest jdk
  • MacBook Pro Apple M4 chip

Error:

0>MANIFESTMERGER: Error  : LinkageError occurred while loading main class com.xamarin.manifestmerger.Main
0>: Error AMM0000 : Error: LinkageError occurred while loading main class com.xamarin.manifestmerger.Main
java.lang.UnsupportedClassVersionError
com/xamarin/manifestmerger/Main has been compiled by a more recent version of the Java Runtime (class file version 61.0), this version of the Java Runtime only recognizes class file versions up to 55.0

0>Xamarin.Android.Common.targets(1687,3): Error XAAMM0000 : Error: LinkageError occurred while loading main class com.xamarin.manifestmerger.Main
  java.lang.UnsupportedClassVersionError: com/xamarin/manifestmerger/Main has been compiled by a more recent version of the Java Runtime (class file version 61.0), this version of the Java Runtime only recognizes class file versions up to 55.0
 

Expected behavior 🎯

if any config is missing than uno-check should detect it.

How to reproduce it (as minimally and precisely as possible) πŸ”¬

No response

Workaround πŸ› οΈ

No response

Renderer 🎨

  • Skia
  • Native

Affected platforms πŸ“±πŸ’»πŸ–₯️

No response

Uno.Sdk version (and other relevant versions) πŸ“¦

sdk/template: 6.3.28
Rider Plugin: 1.7.24
java 25 2025-09-16 LTS
Java(TM) SE Runtime Environment (build 25+37-LTS-3491)
Java HotSpot(TM) 64-Bit Server VM (build 25+37-LTS-3491, mixed mode, sharing)

IDE version πŸ§‘β€πŸ’»

2025.3 EAP 4 and 2025.2.3

Anything else we need to know? πŸ’¬

No response

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area/rider-jetbrainsCategorizes an issue or PR as relevant to Jet-Brains Rider IDEdifficulty/medium πŸ€”Categorizes an issue for which the difficulty level is reachable with a good understanding of WinUIproject/core-tools πŸ› οΈCategorizes an issue or PR as relevant to core and tools

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