What's Changed

• Get last errors to return false by @MizouziE in https://github.com/CarbonPHP/carbon/pull/70
• Remove "ς" for singular Greek year and month accusative form by @kylekatarnls in https://github.com/CarbonPHP/carbon/pull/75
• Create dedicated interfaces for constants by @kylekatarnls in https://github.com/CarbonPHP/carbon/pull/76
• Fix: isoFormat('MMMM') for sl_SI not working by @hoRacy in https://github.com/CarbonPHP/carbon/pull/65
• Add test for parse 0 and empty string by @kylekatarnls in https://github.com/CarbonPHP/carbon/pull/62
• Drop (dead) code for PHP 7 by @kylekatarnls in https://github.com/CarbonPHP/carbon/pull/59
• Fix month/week/unit translation using fallback locale while main locale has it set by @kylekatarnls in https://github.com/CarbonPHP/carbon/pull/77
• Fix English meridiem when another locale is used as fallback by @kylekatarnls in https://github.com/CarbonPHP/carbon/pull/78
• Don't clone when casting from immutable to immutable by @kylekatarnls in https://github.com/CarbonPHP/carbon/pull/85
• Fix Yiddish translation for time difference by @yisraeldov in https://github.com/briannesbitt/Carbon/pull/3273
• Fix to restore previous test state instead of clearing it by @kyryl-bogach in https://github.com/briannesbitt/Carbon/pull/3283