Yes. Samsung occasionally pushes hotfixes. If you see 5.3290, you are on an even newer beta branch. However, 5.3281 remains the current stable build for most regions as of this writing.

To update Samsung Apps to the latest version, follow these steps:

If your TV is stuck on this version and no longer supports the apps you need, the hardware itself likely cannot run the latest One UI Tizen

Samsung Apps is a legacy version of the Smart Hub software found on older Samsung Smart TV models, such as the 2013 F-series (e.g., UE32F5500). Key Characteristics of Version 5.3281

For newer Samsung devices (phones and modern TVs), this version number is not applicable, as they typically use the Samsung Galaxy Store or more recent Tizen-based Smart Hub versions. samsung.com Are you currently having trouble launching a specific app on this TV version, or are you looking to to a newer software? Smart Hub Apps Crashing - Page 3 - Samsung Community