Is the Synology RS810RP+ still getting security updates?

The manufacturer states that the Synology RS810RP+ no longer receives updates.

The date after which a device gets no more security fixes is also called its end of life (EOL) or end of support.

No longer supported

Support has ended

Device
Synology RS810RP+ (NAS)
Basis
The manufacturer states that support has ended, without giving a date.
As written
OS/Firmware Update: End of Life
Source
Synology Product Support Status (Worldwide)

What to do. Replace it. Until then, turn off remote administration and UPnP, and keep it off the Internet.

Questions

Is the Synology RS810RP+ still getting security updates?

The manufacturer states that the Synology RS810RP+ no longer receives updates.

What does end of life mean for the Synology RS810RP+?

After its end of life, the Synology RS810RP+ receives no more security fixes from Synology. It keeps working, but any vulnerability found later stays open, which makes it an easy target once attackers know about it.

Where does this date come from?

From the manufacturer: Synology Product Support Status. Each date is shown exactly as published.

Every Synology device   NAS drives from every brand