This release is identical to 11.2 except for backported fixes for:

NETBEANS-3257 Fixed issue on refactoring rename of java method (and potentially other nb-javac issues)

NETBEANS-3335 Enhance robustness of HTML Lexer - enter key doesn’t work in certain files

NETBEANS-3290 Fix common.xml causing layer build problems in RCP applications

Use the Plugin Manager under the Tools menu to update 11.2 to 11.2 Update 1.