From the OED:
More than 1,100 new words, senses, and subentries have been added to the Oxford English Dictionary in our latest update, including northern flicker, hazzled, and electric catfish.
This quarter sees the inclusion of long-established terms such as me time, more recent coinages including hangry and mansplaining, and words which have seen a shift in sense, such as snowflake.
Resources
Complete List of All New New Words, Senses, and Subentries (January 2018)
New Words Notes January 2018
by Katherine Connor Martin, Head of US Dictionaries
Release Notes: Parenting Words
by Fi Mooring, OED Senior Editor
Release Notes: Yellow Journalism
by Peter Gilliver, OED Associate Editor
Release Notes: Sun Scalds in Kipling
by Edmund Weiner, Deputy Chief Editor of the OED
Release Notes: Titan and the Titch
by Matthew Bladen, OED Senior Editor