ADDITIONAL SYSTEM INFORMATION :
arch linux latest versions everywhere, state: 23.07.28.

A DESCRIPTION OF THE PROBLEM :
with repository:
https://github.com/MovingBlocks/Terasology/tree/build/bumpup-gradle-to-8.2

SecurityManager is used, which is not available any more in java-18 up. trying to run does not error a little frightening with a core cump and vm crash.

14:39:56.681 [main] ERROR o.t.engine.core.TerasologyEngine - Failed to initialise Terasology
java.lang.UnsupportedOperationException: The Security Manager is deprecated and will be removed in a future release
        at java.base/java.lang.System.setSecurityManager(System.java:429)
        at org.terasology.engine.core.module.ModuleManager.setupSandbox(ModuleManager.java:276)
        at org.terasology.engine.core.module.ModuleManager.<init>(ModuleManager.java:92)
        at org.terasology.engine.core.module.ModuleManager.<init>(ModuleManager.java:102)
        at org.terasology.engine.core.TerasologyEngine.initManagers(TerasologyEngine.java:332)
        at org.terasology.engine.core.TerasologyEngine.initialize(TerasologyEngine.java:226)
        at org.terasology.engine.Terasology.call(Terasology.java:182)
        at org.terasology.engine.Terasology.call(Terasology.java:69)
        at picocli.CommandLine.executeUserObject(CommandLine.java:1933)
        at picocli.CommandLine.access$1200(CommandLine.java:145)
        at picocli.CommandLine$RunLast.executeUserObjectOfLastSubcommandWithSameParent(CommandLine.java:2332)
        at picocli.CommandLine$RunLast.handle(CommandLine.java:2326)
        at picocli.CommandLine$RunLast.handle(CommandLine.java:2291)
        at picocli.CommandLine$AbstractParseResultHandler.execute(CommandLine.java:2159)
        at picocli.CommandLine.execute(CommandLine.java:2058)
        at org.terasology.engine.Terasology.main(Terasology.java:138)
14:39:56.682 [main] INFO o.t.engine.core.TerasologyEngine - Shutting down Terasology...
#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x00007fb630eb52bc, pid=82262, tid=82286
#
# JRE version: OpenJDK Runtime Environment (20.0.2+9) (build 20.0.2+9)
# Java VM: OpenJDK 64-Bit Server VM (20.0.2+9, mixed mode, sharing, tiered, compressed oops, compressed class ptrs, g1 gc, linux-amd64)
# Problematic frame:
# C [iris_dri.so+0xb52bc]
#
# Core dump will be written. Default location: Core dumps may be processed with "/usr/lib/systemd/systemd-coredump %P %u %g %s %t %c %h" (or dumping to /srv/http/repos/terasology/core.82262)
#
# An error report file with more information is saved as:
# /srv/http/repos/terasology/hs_err_pid82262.log
14:39:56.761 [main] ERROR o.t.engine.core.TerasologyEngine - Error shutting down Configuration subsystem
java.lang.NullPointerException: Cannot invoke "org.terasology.engine.config.flexible.AutoConfigManager.saveConfigsToDisk()" because "this.autoConfigManager" is null
        at org.terasology.engine.core.subsystem.common.ConfigurationSubsystem.shutdown(ConfigurationSubsystem.java:132)
        at org.terasology.engine.core.TerasologyEngine.cleanup(TerasologyEngine.java:554)
        at org.terasology.engine.core.TerasologyEngine.initialize(TerasologyEngine.java:250)
        at org.terasology.engine.Terasology.call(Terasology.java:182)
        at org.terasology.engine.Terasology.call(Terasology.java:69)
        at picocli.CommandLine.executeUserObject(CommandLine.java:1933)
        at picocli.CommandLine.access$1200(CommandLine.java:145)
        at picocli.CommandLine$RunLast.executeUserObjectOfLastSubcommandWithSameParent(CommandLine.java:2332)
        at picocli.CommandLine$RunLast.handle(CommandLine.java:2326)
        at picocli.CommandLine$RunLast.handle(CommandLine.java:2291)
        at picocli.CommandLine$AbstractParseResultHandler.execute(CommandLine.java:2159)
        at picocli.CommandLine.execute(CommandLine.java:2058)
        at org.terasology.engine.Terasology.main(Terasology.java:138)
#
# If you would like to submit a bug report, please visit:
# https://bugreport.java.com/bugreport/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
#


REGRESSION : Last worked in version 17.0.8

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
checkout out https://github.com/MovingBlocks/Terasology/tree/build/bumpup-gradle-to-8.2,
run ./gradlew clean game


EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
game starts up or fails without SIGSEV,

FREQUENCY : always