I'm on 1.9 and I can never Launch minecraft here is the crash report:
Considering minecraft client jar
Copying minecraft client jar
Considering library net.minecraftforge:forge:1.9-12.16.0.1810-1.9: Not Downloading
Considering library io.netty:netty-all:4.0.23.Final: Not Downloading
Considering library net.minecraft:launchwrapper:1.12: Not Downloading
Considering library org.ow2.asm:asm-all:5.0.3: Not Downloading
Considering library jline:jline:2.13: Not Downloading
Considering library com.typesafe.akka:akka-actor_2.11:2.3.3
Checking "/Users/jeffreyman101/Library/Application Support/minecraft/libraries/com/typesafe/akka/akka-actor_2.11/2.3.3/akka-actor_2.11-2.3.3.jar" internal checksums
checksums.sha1 validated successfully
Jar contents validated successfully
Considering library com.typesafe:config:1.2.1
Checking "/Users/jeffreyman101/Library/Application Support/minecraft/libraries/com/typesafe/config/1.2.1/config-1.2.1.jar" internal checksums
checksums.sha1 validated successfully
Jar contents validated successfully
Considering library org.scala-lang:scala-actors-migration_2.11:1.1.0
Checking "/Users/jeffreyman101/Library/Application Support/minecraft/libraries/org/scala-lang/scala-actors-migration_2.11/1.1.0/scala-actors-migration_2.11-1.1.0.jar" internal checksums
checksums.sha1 validated successfully
Jar contents validated successfully
Considering library org.scala-lang:scala-compiler:2.11.1
Checking "/Users/jeffreyman101/Library/Application Support/minecraft/libraries/org/scala-lang/scala-compiler/2.11.1/scala-compiler-2.11.1.jar" internal checksums
checksums.sha1 validated successfully
Jar contents validated successfully
Considering library org.scala-lang.plugins:scala-continuations-library_2.11:1.0.2
Checking "/Users/jeffreyman101/Library/Application Support/minecraft/libraries/org/scala-lang/plugins/scala-continuations-library_2.11/1.0.2/scala-continuations-library_2.11-1.0.2.jar" internal checksums
checksums.sha1 validated successfully
Jar contents validated successfully
Considering library org.scala-lang.plugins:scala-continuations-plugin_2.11.1:1.0.2
Checking "/Users/jeffreyman101/Library/Application Support/minecraft/libraries/org/scala-lang/plugins/scala-continuations-plugin_2.11.1/1.0.2/scala-continuations-plugin_2.11.1-1.0.2.jar" internal checksums
checksums.sha1 validated successfully
Jar contents validated successfully
Considering library org.scala-lang:scala-library:2.11.1
Checking "/Users/jeffreyman101/Library/Application Support/minecraft/libraries/org/scala-lang/scala-library/2.11.1/scala-library-2.11.1.jar" internal checksums
checksums.sha1 validated successfully
Jar contents validated successfully
Considering library org.scala-lang:scala-parser-combinators_2.11:1.0.1
Checking "/Users/jeffreyman101/Library/Application Support/minecraft/libraries/org/scala-lang/scala-parser-combinators_2.11/1.0.1/scala-parser-combinators_2.11-1.0.1.jar" internal checksums
checksums.sha1 validated successfully
Jar contents validated successfully
Considering library org.scala-lang:scala-reflect:2.11.1
Checking "/Users/jeffreyman101/Library/Application Support/minecraft/libraries/org/scala-lang/scala-reflect/2.11.1/scala-reflect-2.11.1.jar" internal checksums
checksums.sha1 validated successfully
Jar contents validated successfully
Considering library org.scala-lang:scala-swing_2.11:1.0.1
Checking "/Users/jeffreyman101/Library/Application Support/minecraft/libraries/org/scala-lang/scala-swing_2.11/1.0.1/scala-swing_2.11-1.0.1.jar" internal checksums
checksums.sha1 validated successfully
Jar contents validated successfully
Considering library org.scala-lang:scala-xml_2.11:1.0.2
Checking "/Users/jeffreyman101/Library/Application Support/minecraft/libraries/org/scala-lang/scala-xml_2.11/1.0.2/scala-xml_2.11-1.0.2.jar" internal checksums
checksums.sha1 validated successfully
Jar contents validated successfully
Considering library lzma:lzma:0.0.1: Not Downloading
Considering library net.sf.jopt-simple:jopt-simple:4.6: Not Downloading
Considering library java3d:vecmath:1.5.2
Considering library net.sf.trove4j:trove4j:3.0.3