Additionally to the other two replies, Brave also injected referral IDs to an URI when you directly typed it in. Allegedly it was a mistake and they put it behind a toggle:
Also, per default the new tab page shows advertisements in the background. Firefox does also show ads on the new tab page in the link grid, so it's a bad thing both do and you can disable it on both. But with an almost-full-window sized ad Brave managed to make that worse still.
Additionally to the other two replies, Brave also injected referral IDs to an URI when you directly typed it in. Allegedly it was a mistake and they put it behind a toggle:
Also, per default the new tab page shows advertisements in the background. Firefox does also show ads on the new tab page in the link grid, so it's a bad thing both do and you can disable it on both. But with an almost-full-window sized ad Brave managed to make that worse still.