Salesforce Winter 21 Release Date

Please Signup for Pre-Release winter 21

https://sforce.co/2QcZgIw

Key date of winter 21 release are following.

• Pre-Release Org Sign Up: August 21, 2020
• Release Notes: August 24, 2020
• Sandbox Preview Starts: September 11, 2020
• Release Site: September 11, 2020
• Release Module: September 11, 2020
• Release Overview Deck & Feature Matrix: September 14, 2020
• Release Readiness Live!: September 18, 2020 to September 25, 2020
• Release Weekends: September 18, October 9, October 16
• Global Release Webinars: October 2020
• Release Exam Deadline on Trailhead: April 2021

Find the sandbox instances.

Please check maintenance schedule of your sandbox instance. Please use below link.

https://sandbox-preview.herokuapp.com/

Information about the sandbox services

What action you need taken according to Salesforce instance.

AppExchange preview information

Reference : https://www.salesforce.com/blog/2020/08/winter-21-sandbox-preview.html