# -*- rdoc -*- = NEWS for Ruby 2.2.0 This document is a list of user visible feature changes made between releases except for bug fixes. Note that each entry is kept so brief that no reason behind or reference information is supplied with. For a full list of changes with all sufficient information, see the ChangeLog file. == Changes since the 2.1.0 release === Language changes === Core classes updates (outstanding ones only) * Enumerable * Extended methods: * min * min_by * max * max_by * Symbol * New methods * Symbol.find(str) returns whether given string is defined as symbol or not. === Core classes compatibility issues (excluding feature bug fixes) === Stdlib updates (outstanding ones only) === Stdlib compatibility issues (excluding feature bug fixes) === Built-in global variables compatibility issues === C API updates * Deprecated APIs removed. [Feature #9502] Check_SafeStr -> SafeStringValue rb_check_safe_str -> SafeStringValue rb_quad_pack -> rb_integer_pack rb_quad_unpack -> rb_integer_unpack rb_read_check : access struct FILE internal. no replacement. rb_struct_iv_get : internal function. no replacement. struct rb_blocking_region_buffer : internal type. no replacement. rb_thread_blocking_region_begin -> rb_thread_call_without_gvl family rb_thread_blocking_region_end -> rb_thread_call_without_gvl family TRAP_BEG -> rb_thread_call_without_gvl family TRAP_END -> rb_thread_call_without_gvl family rb_thread_select -> rb_thread_fd_select struct rb_exec_arg : internal type. no replacement. rb_exec : internal function. no replacement. rb_exec_arg_addopt : internal function. no replacement. rb_exec_arg_fixup : internal function. no replacement. rb_exec_arg_init : internal function. no replacement. rb_exec_err : internal function. no replacement. rb_fork : internal function. no replacement. rb_fork_err : internal function. no replacement. rb_proc_exec_n : internal function. no replacement. rb_run_exec_options : internal function. no replacement. rb_run_exec_options_err : internal function. no replacement. rb_thread_blocking_region -> rb_thread_call_without_gvl family rb_thread_polling -> rb_thread_wait_for rb_big2str0 : internal function. no replacement. rb_big2ulong_pack -> rb_integer_pack rb_gc_set_params : internal function. no replacement. * struct RBignum is hidden. [Feature #6083] Use rb_integer_pack and rb_integer_unpack instead.