My understanding is that Java didn't have an M:N thread scheduler before, it had an N:1 scheduler (I believe that all virtual threads were multiplexed onto a si

My understanding is that Java didn't have an M:N thread scheduler before, it had an N:1 scheduler (I believe that all virtual threads were multiplexed onto a single shared operating system thread). I believe that Loom is the first official M:N thread scheduling implementation for the JVM.