The current pre-release of the client ("pioneer" in the version) is only compatible to itself. So you can only play with other testers. Please be aware!
error attempting to join game
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happens repeatedly. can't join game. have rebooted, still no joy
Client Version: 2025.5.2
java.util.concurrent.CompletionException: org.springframework.web.reactive.function.client.WebClientResponseException$InternalServerError: 500 Internal Server Error from GET https://api.faforever.com/ice/session/game/25056329
at java.base/java.util.concurrent.CompletableFuture.encodeRelay(CompletableFuture.java:368)
at java.base/java.util.concurrent.CompletableFuture.completeRelay(CompletableFuture.java:377)
at -
Using a VPN has helped me get around this problem.