DateTimeZone data updated to version 2019a. jodastephen
Fix calculation of DateTime.withTimeAtStartOfDay() when DST is at midnight. Fixes #488. jodastephen
Fix Period.years() factory method internal implementation. Fixes #487. antonqiu
Add Bulgarian translation of periods. Fixes #496. alshopov
Fix Czech translation of periods. Fixes #504. niklasf
Add Tidelift commercial support and security policy.