Changelog

1.21.2

Fix bug in Chrome Canary that threw off time zone calculations

1.21.1

Fix for quarter parsing
Some documentation updates

1.21.0

Added quarter support to the parser
Fix some rounding issues in ISO formatting

1.20.0

Added Duration#mapUnits
added Interval#toISODate and Interval#toISOTime
Some documentation fixes

1.19.3

Cache offset values
Fix handling of negative sub 1-hour offsets

1.19.2

Speculative fix for Node 6

1.19.1

Fix Intl.DateTimeFormat usage for polyfills

1.19.0

Interval#splitAt now ignores input dates outside the interval
Don't allow decimals in DateTime creation

1.18.2

Fix handling of decimals in DateTime#plus and #minus

1.18.1

Fix validity when adding or subtracting time that exceeds Date max/min boundaries

1.18.0

Add support for macro tokens in the parser

1.17.2

Fix issue with toRelative using style: short with plural days

1.17.1

Reject out-of-range numbers in DateTime.fromMillis
Reject 0s in ISO date inputs

1.17.0

DateTime.min and DateTime.max throw if they get the wrong kind of arguments
Fixed throwOnInvalid logic for Interval
Added DATETIME_MED_WITH_WEEKDAY preset

1.16.1

Catch errors trying to use Intl in weird versions of IE 11

1.16.0

Fixed locale default logic for `DateTime#toFormat("ZZZZ")

1.15.0

Added formatOffset to Zones

1.14.0

Allow the zone argument to Interval.fromISO with duration components
Ignore the zone argument to Duration factory methods

1.13.3

Fix keepLocalTime calculations that span offset changes

1.13.2

Fixed ISO formatting for dates > 999

1.13.1

Performance improvements for regex parsing

1.13.0

Support numberSystem in fromFormat
Fix validity for bad initial zone specifiers

1.12.1

Fix cross-month diffs in some scenarios
Fix time zone parsing when the time zone isn't at the end
Memoize IANA zone creation

1.12.0

Add some explicit CDN support to the NPM package
Add week token to duration ISO support
Lots of cleanup and test coverage changes

1.11.4

setZone("local") now returns the defaultZone if it is set
Fixes for the polyfilled build

1.11.3

Allow 24:00 in ISO (and other) strings
Fix some bugs with the typecheck functions like DateTime.isDateTime()

1.11.2

Fixed handling of some characters in fromFormat literal sections
Hanlde string values in object arguments to DateTime methods
Fixed toRelativeCalendar's handling of zones in the base date

1.11.1

Fix DateTime#plus() when spanning across AD 100

1.11.0

Fix low-year handling for IANA zones
DateTime#toLocal() now uses the default locale
Fix zero duration formatting
Many documentation fixes

1.10.0

Fix endOf("day") during DSTs (#399)
Add `Interval#mapEndpoints (#400)
Add DateTime#zone and Info.normalizeZone (#404)

1.9.0

Add DateTime#toRelative and DateTime#toRelativeCalendar

1.8.3

Allow "UTC" in the zone position of fromSQL
Force isDateTime and isDuration to return booleans in all cases

1.8.2

Trim leading \u200e characters from offset names in Edge 16 and 17

1.8.1

Add DateTime.fromSeconds and DateTime#toSeconds

1.7.1

Floor the seconds instead of rounding them when outputting the 'X' format
Change the options to toLocale to override the configuration (the previous options were essentially ignored)

1.6.2

Fixing merge error that resulted in bad error messages

1.6.0

midly breaking Rework negative durations
Fix handling weekdays at the end of leap week years
Add isDuration, isDateTime, and isInterval
Fix handling of Luxon object arguments passed from other execution contexts

1.5.0

Improved error message
Added DateTime#invalidExplanation, Duration#invalidExplanation, Interval#invalidExplanation to provide more details on invalid objects

1.4.6

Cache Intl objects for an 85x speed up on basic operations using non-en locales

1.4.5

Fix minified builds

1.4.4

Fix hour formatting in RFC822 strings
Interval.fromISO accepts formats with durations

1.4.3

Removal accidentally-introduced runtime dependency

1.4.2

Handle locale strings with BCP 47 extensions. Especially helpful for environments with funky default locales
Support for [weekYear]-W[weekNumber] ISO 8601 strings

1.4.1

Empty diffs now have all the asked-for units in them, set at 0
Duration operations perserve the superset of units

1.4.0

Add x and X to toFormat for formatting Epoch seconds and Epoch milliseconds
Parser allows a wider range of IANA zone specifiers
BREAKING: Etc/GMT+10 is now interpreted as UTC-10, per spec

1.3.3

Documentation fixes

1.3.2

DateTime.fromMillis will throw if passed a non-number
Fixes for type checking across JS contexts

1.3.1

Include milliseconds in Duration#toISO
Avoid deprecation warning from DateTime#inspect in Node 10

1.3.0

mildly breaking change Duration.toFormat now floors its outputs instead of rounding them (see #224)
Added 'floor' option to Duration.toFormat and deprecated the 'round' option
Added Dateime.toBSON
Fixed infinite loop when passing invalid or zero-length durations to Interval#splitBy
Added better error handling to Duration.fromObject()

1.2.1

222x speed-up in DateTime creation for non-en locales
Added DateTime#toMillis alias for DateTime#valueOf
Fixed types on zone exports

1.2.0

Export Zone classes
Fix endOf and startOf for quarters
Change toFormat("Z") to return a number for UTC
Allow "GTM" as an argument to setZone

1.1.0

Support for zone names with more than two components
Fixed long-term-accurate conversions for months
Added weeksInWeekYear

1.0.0

The big one-oh. No changes from 0.5.8.

0.5.8

Large perf improvements for DateTime#toFormat(), when using non-intl numbers

0.5.7

Added AMD build to the NPM package
Large performance improvements to technical formatting (e.g. DateTime#toISO)

0.5.6

Refactor internals
Added support for fractional seconds in Duration.fromISO
Added browser global to the NPM package

0.5.5

Best-we-can-do fix for DateTime#toLocaleString() for fixed-offset zones when showing the zone name in the output
Fixed Duration#shiftTo for unormalized Durations that need a rollup cascade

0.5.4

Fix default locales in Node
Fix prototype to help with React inspection
Improve REPL output for Durations in Node

0.5.3

Remove errant ICU runtime dep (again)

0.5.2

Remove comments from minified builds (introduced by 0.5.1)

0.5.1

Fixed minified builds (oops)
Fix computation of fractional parts of diffs

0.5.0

isBefore() returns true for the end of the interval, consistent with being half-open
zoneName now rturns null for invalid DateTimes
Added quarter support
Adding a month to Jan 31 gives Feb 28/29

0.4.0

Always round down to the nearest millisecond when parsing

0.3.1

Fixed toLocaleString for fixed-offset zones in the absence of Intl
Added Info.isValidIANAZone
Made malformed zone specifiers result in invalid DateTime instances

0.3.0

Rename DateTime.fromString to DateTime.fromFormat (leaving deprecated DateTime.fromString)
Rename DateTime.fromStringExplain to DateTime.fromFormatExplain (leaving deprecated DateTime.fromStringExplain)
Support Etc/GMT IANA zones
Perf fixes for zones
Rework build infrastructure

0.2.12

Fix DateTime.fromObject's handling of default zones
Change keepCalendarTime to keepLocalTime

0.2.11

Handle no arguments in DateTime.min and DateTime.max
Documentation fixes

0.2.10

Fix bug where Durations could sometimes mutate

0.2.9

Fix DateTime.fromMillis(0) more thoroughly

0.2.8

Fix sourcemaps

0.2.7

Fix DateTime.fromMillis(0)

0.2.6

Fix 'h' and 'hh' toFormat tokens for midnight

0.2.5

Better shiftTo behavior for durations with floating point components

0.2.4

Fix toHTTP to use 24-hour hours
Tighten up regular expressions
Various documentation fixes

0.2.3

Fixes for diff with multiple units

0.2.2

Fixes for fromSQL, toSQL, toSQLTime, and toSQLDate
Add includeOffset option to toISO and toISOTime

0.2.1

Add module field to package.json

0.2.0

Remove polyfills from main builds
Update compilation toolchain to target builds more exactly
Fix IE in polyfill build

0.1.0

Add .fromSQL, #toSQL, #toSQLTime, #toSQLDate
Fix AM/PM parsing
Major perf improvements
Default to system locale when using macro formats in #toFormat
.fromISO accepts standalone times
See moment#93 for important news concerning field accessibility

0.0.22

Add 'u' formatting and parsing
Add 'y', 'yyyyy', and 'yyyyyy' parsing tokens
Add 'yyyyyy' formatting token
Better error messages for missing arguments to DateTime.fromString

0.0.21

Fix zones for Edge

0.0.20

Fix fromISO to accept various levels of subsecond precision

0.0.19

Fixed parsing for ordinals
Made parsing stricter

0.0.18

Fixed formatting for non-hour aligned fixed-offset zones
Fixed longterm conversion accuracy option in diffs
Fixed invalid handling in Interval#set

0.0.17

Fixing formatting for fixed-offset zones

0.0.16

Fixes for IE 9 & 10

0.0.15

Fixing busted release 0.0.14

0.0.13

toLocaleString() and others default to the system's locale
support for ISO week durations in Duration.fromISO

0.0.12

Improve non-Intl fallbacks for toLocaleString
Fix offsetNameShort and offsetNameLong for non-Intl environments
Added weekdayShort, weekdayLong, monthShort, monthLong DateTime getters

0.0.10

Only include build dir in NPM module

0.0.9

Move to Moment Github org

0.0.8

The local zone can now report its IANA name
Fixed parsing bug for yy and kk
Improved test coverage

0.0.7

Added toLocaleParts
Slightly more friendly month/weekday parsing
Default locale setting

0.0.6

Stricter toJSDate
fromISO now supports year and year-month formats
More graceful degradation in the absence of platform features

0.0.5

Experimental, but now broadly useful.