Out of curiosity, I tried both those key combos and neither does anything. FWIW, I am so used to opening links in tabs that I don't miss Snapback very much. There are worse things in life than losing Snapback.
Jon
macOS 11.7.10, iMac Retina 5K 27-inch, late 2014, 3.5 GHz Intel Core i5, 1 TB fusion drive, 16 GB RAM, Epson SureColor P600, Photoshop CC, Lightroom CC, MS Office 365
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