This section contains the Marketing Cloud release notes for the year 2021:Marketing Cloud Release Notes – 21 Dec 2021Marketing Cloud Release Notes – 2 Dec 2021Marketing Cloud Release Notes – 30 Nov 2021Marketing Cloud Release Notes – 12 Oct 2021Marketing Cloud Release Notes – 15 Sep 2021Marketing Cloud Release Notes – 26 Aug 2021Marketing Cloud Release Notes – 1 Jun 2021Marketing Cloud Release Notes – 4 May 2021Marketing Cloud Release Notes – 27 Apr 2021Marketing Cloud Release Notes – 21 Apr 2021Marketing Cloud Release Notes – 8 Apr 2021Marketing Cloud Release Notes – 10 Mar 2021Marketing Cloud Release Notes – 2 Mar 2021Marketing Cloud Release Notes – 11 Feb 2021Marketing Cloud Release Notes – 22 Jan 2021Marketing Cloud Release Notes – 21 Jan 2021Marketing Cloud Release Notes – 6 Jan 2021