No new version for more than 90 days, so OpenNavo has paused recommending and installing it. Homebrew still offers this app.

Synology Surveillance Station Client Release Notes

A macOS desktop utility for accessing Surveillance Station on Synology products.

CaskAudio & VideoApple silicon · IntelPaused by OpenNavo

From homebrew/cask

2.2.3
LatestPatchFeb 24 · Tue
Added to Homebrew Feb 24 07:51
CompatibilityUnknown
No separate release notes for this version
2.2.2
PatchJan 13 · Tue
Added to Homebrew Jan 13 12:59
CompatibilityUnknown
No separate release notes for this version
2.2.1
PatchNov 26, 2024 · Tue
Added to Homebrew Nov 26, 2024 16:21
CompatibilityUnknown
No separate release notes for this version
2.2.0-2507
Mar 28, 2024Expand
Added to Homebrew Mar 28, 2024 14:33
CompatibilityUnknown
No separate release notes for this version
2.1.3-2474
Dec 7, 2023Expand
Added to Homebrew Dec 7, 2023 04:57
CompatibilityUnknown
No separate release notes for this version

2.2.3