Numbers are hard, typing version numbers doubly so... apparently.

Mumfrey · Mumfrey · commit e10ac704e1ad · 2021-09-06T18:27:02.000+01:00
diff --git a/src/main/java/org/spongepowered/asm/mixin/MixinEnvironment.java b/src/main/java/org/spongepowered/asm/mixin/MixinEnvironment.java
@@ -626,7 +626,7 @@ boolean isSupported() {
             
             @Override
             boolean isSupported() {
-                return JavaVersion.current() >= JavaVersion.JAVA_8 && ASM.isAtLeastVersion(6);
+                return JavaVersion.current() >= JavaVersion.JAVA_9 && ASM.isAtLeastVersion(6);
             }
             
         },

Original file line number	Diff line number	Diff line change
`@@ -626,7 +626,7 @@ boolean isSupported() {`
`626`	`626`
`627`	`627`	`@Override`
`628`	`628`	`boolean isSupported() {`
`629`		`- return JavaVersion.current() >= JavaVersion.JAVA_8 && ASM.isAtLeastVersion(6);`
	`629`	`+ return JavaVersion.current() >= JavaVersion.JAVA_9 && ASM.isAtLeastVersion(6);`
`630`	`630`	`}`
`631`	`631`
`632`	`632`	`},`