Mod fails to properly run using latest FLK version on Sinytra Connector, Minecraft 1.21.1

Mod fails to load properly under the following circumstances: Minecraft 1.21.1, Minecraft Forge with Sinytra Connector, FLK 1.13.6+kotlin.2.2.20 || 2.2.10. Mod loads properly when FLK version is changed to 1.13.3+kotlin.2.1.21

Bridge errors with "Unable to log into Matrix. Please check config: java.lang.NoClassDefFoundError: kotlinx/datetime/Clock". Mod may be incompatible with Kotlin versions newer than 2.1.21