FLATCAR_BUILD=4881 FLATCAR_BRANCH=0 FLATCAR_PATCH=0 FLATCAR_VERSION=4881.0.0+ue-rs-20261027 FLATCAR_VERSION_ID=4881.0.0 FLATCAR_BUILD_ID="ue-rs-20261027" FLATCAR_SDK_VERSION=4881.0.0+nightly-20261111-2100