An email I just received:

Retaining tier statusEmirates Skywards Silver, Gold and Platinum members with a tier review date prior to 1 March 2021 will retain their current status for a further 12 months with just 80% of the usual travel requirements.
Extending tier statusEmirates Skywards Silver, Gold and Platinum members, with a tier status review between March 2020 and September 2020 who are unable to retain their existing tier, will have their existing status extended until 31 December 2020.
Extending Miles validityThose members who have Skywards Miles expiring soon needn’t worry – we’ve has extended their validity until 31 December 2020. Skywards Miles can be redeemed up to 11 months in advance for an extensive range of rewards, including flight tickets on Emirates and partner airlines, flight upgrades, hotel stays, and money-can’t-buy experiences..

Please note: Details of this relaxed policy may not immediately reflect in the ‘My Account’ section of emirates.com