stdgems

Gemified in 2.5

The following libraries were made standard gems with Ruby 2.5.0

New Default Gems

New Default Gem Description Resources
cmath Trigonometric and transcendental functions for complex numbers RubyGems · GitHub · RDoc
csv Support for CSV (Comma-separated Values) RubyGems · GitHub · RDoc · CRuby (1) · CRuby (2)
date c The Date and DateTime classes RubyGems · GitHub · RDoc (1) · RDoc (2) · CRuby · JRuby (1) · JRuby (2) · JRuby (3)
dbm c Support for DBM databases RubyGems · GitHub · RDoc
etc c Access UNIX info from /etc RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2)
fcntl c Loads values from the OS' fcntl.h to be used for low-level file descriptor manipulation system calls with IO#fcntl and IO.sysopen RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2)
fiddle c Support for FFI (Foreign Function Interface) RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2)
fileutils Utilities for working with the file system, such as copying, moving, or deleting files RubyGems · GitHub · RDoc · CRuby · JRuby (1)
gdbm c Support for GDBM databases RubyGems · GitHub · RDoc
ipaddr IP address manipulation (IPv4 and IPv6) RubyGems · GitHub · RDoc · CRuby
scanf Pure-Ruby scanf implementation RubyGems · GitHub · RDoc
sdbm c Support for SDBM databases RubyGems · GitHub · RDoc
stringio c Makes strings behave like IO objects RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2)
strscan c Lexical string scanning RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2)
zlib c Interface to the zlib compression library RubyGems · GitHub · RDoc · CRuby · JRuby (1) · JRuby (2)

New Bundled Gems

No bundled gems were introduced in 2.5.

More Standard Gems