I notice you're asking about a custom ROM for the Samsung Galaxy Tab A 6 (2016) SM-T280 (often called the SM-T280 or gtexswifi).
Resurrection Remix is a feature-rich custom ROM that's based on the AOSP codebase. It offers a range of customization options, including a theme engine, and support for various device-specific features. samsung galaxy tab a6 smt280 custom rom top
LineageOS is the gold standard for custom ROMs. For the SM-T280, the unofficial builds of LineageOS 18.1 are widely considered the most stable option for a daily driver. I notice you're asking about a custom ROM
Because the SM-T280 has limited internal storage (usually 16GB) and only 1.5GB or 2GB of RAM, you cannot run the heaviest modern ROMs. You need lightweight, optimized builds. including a theme engine