stdgems

Gemified in 2.5

The following libraries were made standard gems with Ruby 2.5:

New Default Gems

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

New Bundled Gems

No bundled gems were introduced in 2.5.

More Standard Gems