Right-clicking a tab opens a menu with:

ItemWhat it does
New tabOpens a fresh tab.
Reopen closed tabSame as Ctrl+Shift+T.
Reload / DuplicateReloads the tab, or opens a copy of it.
Pin / UnpinPinned tabs get a 📌, cluster to the left, and are skipped by "close other tabs" and "close tabs to the right."
Mute / Unmute siteSilences audio from that tab (🔇).
Open in split viewPick another open tab to view side by side — see Split View.
Move tabTo beginning, to end, or to a new window.
Close tab / Close other tabs / Close tabs to the rightBulk-close options; pinned tabs are spared.

Items that don't apply to the current tab are greyed out, the same as in any modern browser.