• [fix] - dst-change issues like #236
• [fix] - inc/dec year issue on exact nye millisecond
• [change] support parsing quarter-names as input - 'q2 2001'
• [change] support parsing season-names as input - 'fall 2001'

• [fix] major DST issue #182 (thanks Boris!)

• add missing timezones America/Fort_Nelson, Asia/Qostanay, and America/Nuuk
• fix comparison issue #231 effecting .isSame() and .since() accross different timezones

• [fix] 45m offset formatting issue
• update deps

• support for 'today' param with null inputs
• support for 'today' param with 'today/tonight' inputs
• interpret empty-string input like null input (as 'now')
• typescript fixes (#220 #222)

v6.6.2

• [fix] for formatting when the output is 0 😓
• [fix] for leap-day in .date() method
• update deps
• add github release/publish script

5.3.0

• added more iana timezones
• fixed zero-padding in iso offsets
• support half hour offsets in iso formats

5.4.0

• support more time input formats
• fixes offset input issue #103

5.6.0

• support typescript types by Jacob Craig
• use given timezone when given a spacetime object as an input
• adds .every(unit, to) method
• set UTC as default fallback timezone

5.7.0

• avoid setting dates/months/hours past maximums and minimums
• .hour(24) now changes date to tomorrow
• faster diffs for large (decade-long) ranges
• [big] fix awkward diff/since issues ('dec 25->jan 5' should be 0 years)

5.8.0

• faster diff for large-number of months
• more support for esoteric iso formats
• add format('iso-month')
• change fallback behaviour for set failure edge-cases

5.9.0

• add support for changing start/end of the week
• allow more flexible .i18n() inputs

5.1.0

• titlecase short-forms of months, days in .format()
• support implicit date in nov 2019
• support tues March 5th 2018 inputs
• pretty-dramatic speed optimizations (~50%)

5.2.0

• next() and last() methods
• support for century and decades
• full-api tests and docs

v5.0.0 🚨 -breaking

• 🚨 all methods now immutable by default.🚨
  -- existing code will now need to be s = s.add(1,'day')
  --- (instead of s.add(1,'day'))
• move unix-formating out of .format() into .unixFmt()
• support new {hour} oclock-style format templates
• change default .format() response to yyyy-mm-dd
• uppercase month and day names in .dayName()
• support city-names, EST, PDT, etc as input
• set default silent: true to avoid unwanted logging

5.1.0

• titlecase short-forms of months, days in .format()

v4.0.0

• format(iso) now uses . for millisecond separator: 2016-11-04T09:00:59.122Z
• adds .since() method to calculate a human-readable diff
• support string/number input to .diff()
• support ordinal inputs, like June 5th 2018
• isAwake() method
• alias for .plus() .minus() methods
• .diff() without a unit does a couple units together
• update zonefile to proper dst-flip time

v4.0.1

• support .from() and .fromNow() methods

v4.1.0

• fix 'February 30th' regression
• remove denormalized .valid boolean on Spacetime class

v4.2.0

• fix dayOfYear regression on 31st days
• support space in ISO-186 format
• update deps, use babel-env

v4.2.2

• adds .extend() method for authoring plugins

v4.3.0

• assume current year with input spacetime('July 5th')
• do larger .diff() operations (gt 1yr) in fast-mode
• support BC formatting of input and in s.format('year')
• bug fix for iso-format hour-offsets (#58)

v4.4.0

• big - swap interpretation of ISO date offsets -0500 → +5 offset #61

v4.5.0

• update a few TZ offsets in mostly eastern-Russia
• updates to 2019 Palestinian dst dates
• fixes for missing immutable setter methods

dramatic speedup

before 20k dates:   3.3s
after 20k dates:    0.8s

• fallback to UTC, instead of PST if no Intl is present
• support passing-in offsets as ISO_8601 date-strings
• add epoch-seconds warning msg
• allow getting/setting new timezones