Cumulative Update for Microsoft Dynamics 365 Business Central (February 2021) is available.
BC17:
Released Updates for Microsoft Dynamics 365 Business Central 2020 Release Wave 2
https://support.microsoft.com/en-us/help/4583507/released-updates-for-microsoft-dynamics-365-business-central-2020
CU04:
Update 17.4 for Microsoft Dynamics 365 Business Central 2020 Release Wave 2 (Application Build 17.4.21531, Platform Build 17.0.21516)
Update 17.4 for Microsoft Dynamics 365 Business Central 2020 Release Wave 2 (Application Build 17.4.21531, Platform Build 17.0.21516)
What’s New or Changed: Update 17.4
https://docs.microsoft.com/en-us/dynamics365/business-central/dev-itpro/whatsnew/whatsnew-update-17-4
New environments in SaaS can already be created for version 17.4

BC16:
Released Updates for Microsoft Dynamics 365 Business Central 2020 Release Wave 1
https://support.microsoft.com/en-us/help/4549687/released-updates-for-microsoft-dynamics-365-business-central-2020
CU10:
Update 16.10 for Microsoft Dynamics 365 Business Central 2020 Release Wave 1 (Application Build 16.10.21502, Platform Build 16.0.21469)
Update 16.10 for Microsoft Dynamics 365 Business Central 2020 Release Wave 1 (Application Build 16.10.21502, Platform Build 16.0.21469)
BC15:
Released Updates for Microsoft Dynamics 365 Business Central 2019 Release Wave 2
https://support.microsoft.com/en-us/help/4528706/released-updates-for-microsoft-dynamics-365-business-central-2019
CU15:
Update 15.15 for Microsoft Dynamics 365 Business Central 2019 Release Wave 2 (Application Build 15.15.46359, Platform Build 15.0.46345)
Update 15.15 for Microsoft Dynamics 365 Business Central 2019 Release Wave 2 (Application Build 15.15.46359, Platform Build 15.0.46345)
BC14:
Released Cumulative Updates for Microsoft Dynamics 365 Business Central Spring 2019 Update on-premises
https://support.microsoft.com/en-us/help/4501292/released-cumulative-updates-for-microsoft-dynamics-365-business
CU21:
Cumulative Update 21 for Microsoft Dynamics 365 Business Central April’19 on-premises (Application Build 14.22.46358, Platform Build 14.0.46351)
Cumulative Update 21 for Microsoft Dynamics 365 Business Central April’19 on-premises (Application Build 14.22.46358, Platform Build 14.0.46351)
Hope this will help.
Thanks.
ZHU
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