--- old/make/autoconf/version-numbers	2019-12-02 22:02:39.369132148 -0800
+++ new/make/autoconf/version-numbers	2019-12-02 22:02:39.197046155 -0800
@@ -26,18 +26,18 @@
 # Default version, product, and vendor information to use,
 # unless overridden by configure
 
-DEFAULT_VERSION_FEATURE=14
+DEFAULT_VERSION_FEATURE=15
 DEFAULT_VERSION_INTERIM=0
 DEFAULT_VERSION_UPDATE=0
 DEFAULT_VERSION_PATCH=0
 DEFAULT_VERSION_EXTRA1=0
 DEFAULT_VERSION_EXTRA2=0
 DEFAULT_VERSION_EXTRA3=0
-DEFAULT_VERSION_DATE=2020-03-17
-DEFAULT_VERSION_CLASSFILE_MAJOR=58  # "`$EXPR $DEFAULT_VERSION_FEATURE + 44`"
+DEFAULT_VERSION_DATE=2020-09-17
+DEFAULT_VERSION_CLASSFILE_MAJOR=59  # "`$EXPR $DEFAULT_VERSION_FEATURE + 44`"
 DEFAULT_VERSION_CLASSFILE_MINOR=0
-DEFAULT_ACCEPTABLE_BOOT_VERSIONS="13 14"
-DEFAULT_JDK_SOURCE_TARGET_VERSION=14
+DEFAULT_ACCEPTABLE_BOOT_VERSIONS="13 14 15"
+DEFAULT_JDK_SOURCE_TARGET_VERSION=15
 DEFAULT_PROMOTED_VERSION_PRE=ea
 
 LAUNCHER_NAME=openjdk