3.0.0-beta.1

Complete commits list: 2.72.2...3.0.0-beta.1

Summary:

• Dropped PHP < 8.1 #2810 #2385 #2346

• Dropped Symfony < 4.4 #2070

• Added enums for week days, months and units #2701

• Added generic unitOfUnit and unitsInUnit getters #2885

• Changed CarbonPeriod to extend DatePeriod #1752

• Changed create* method to return null instead of false #2340

• Changed forHumans() to show 0 seconds y default for empty intervals #2035

• Changed CarbonInterval to be empty by default #2079

• Changed diffIn* methods to return float and relative diff ($absolute = false by default) #2119

  • diffIn* will use the floatDiffInReal* behavior, all other variants will be removed

• Changed week methods to work with current global locale #1967

• Allowed to add and subtract decimal numbers of any unit #2347 #2519

• Changed factories to have isolated settings, locale, testNow, macros and default timezone #2345