This release is available as a Docker Image on Docker Hub at offchainlabs/nitro-node:v3.10.0-rc.3-26d4dc2 This Docker image specifies default flags in its entrypoint which should be replicated if you're overriding the entrypoint: /usr/local/bin/nitro --validation.wasm.allowed-wasm-module-roots /home/user/nitro-legacy/machines,/home/user/target/machines
Important for any chains still on ArbOS40...