ES2021 June 2021

ES 2021 Candidate, March 2021

Editorial: Fix casing of @@hasInstance well-known symbol (tc39#1978)

Editorial: Fix casing of @@hasInstance well-known symbol (tc39#1978)

Meta: update metadata for ES2020

Meta: add PDF printing CSS

Update es2018 metadata for final standard

Editorial: ES2017 introduction updates

Editorial: Fix a trivial typo (toLocalString → toLocaleString) (tc39#628

)

Normative: Limit application of Annex B extension

Ensure that legacy extensions to GlobalDeclarationInstantiation are only
observed when the script source is not strict mode code.

Fixes tc39#460.