Ever since version 10.3, MariaDB has been steadily adding Oracle compatibility features, making it easier to port Oracle to MariaDB as-is. Oracle compatibility is opt-in. All you need to do is issue the command SET SQL_MODE='ORACLE' to activate it for a given set of SQL statements. Existing MariaDB behaviors will also be preserved wherever possible.
The first is that the UI is highly customizable. One of my favorite customizations is the ability to move the search bar to the bottom of the window, which makes it much easier to use Opera with one hand. The second is that Opera has a built-in AI tool called Aria, and it is pretty fantastic. Aria was the first AI tool I used, and I often use it before any other service.
The app's lyrics feature allows listeners to follow along as the song plays. However, only the first few lines are visible once free users in the test hit the lyric cut-off. After that, the lyrics are blurred. Users who want to keep seeing lyrics are advised to upgrade to a premium account, which costs $14 for both YouTube video and music or $11 for music only.