If you are upgrading: please see UPGRADING.md.

Changed

• Replace immediate shim with smaller queue-microtask (a00e3ed) (Vincent Weevers).
• Remove need for full buffer shim (except in test suite) (8f79234) (Vincent Weevers)
• Bump level-concat-iterator and level-supports (0b5e1a3) (Vincent Weevers)
• Breaking: drop support of Safari 11 (7c4cce6) (Vincent Weevers)
• Modernize syntax and bump standard from 14.x to 16.x (cfe8040) (Vincent Weevers)
• Replace xtend dependency with Object.assign() (9d4171f) (Vincent Weevers)
• Breaking: remove legacy range options (start & end) (979d34f) (Level/community#86) (Vincent Weevers)
• Breaking: drop support of stock Android browser (AOSP) (a1fd94e) (Vincent Weevers)
• Breaking: drop node 6 and 8 (1beee24) (Vincent Weevers)
• Breaking (for browsers): bump buffer from 5.x to 6.x (#373) (f62f38b) (Alex Potsides).

Added

• Support arbitrary options on chained batch put() and del() (ba144b2) (Level/levelup#633) (Vincent Weevers).