No, "SuperSpeed 20 Gbps" has been the official nomenclature since day 1. From USB 3.2 language use guidelines
• USB 3.2 Gen 1
o Product capability: product signals at 5Gbps
o Marketing name: SuperSpeed USB
• USB 3.2 Gen 2
o Product capability: product signals at 10Gbps
o Marketing name: SuperSpeed USB 10Gbps
• USB 3.2 Gen 2x2
o Product capability: product signals at 20Gbps
o Marketing name: SuperSpeed USB 20Gbps
[...]
To avoid consumer confusion, USB-IF’s recommended nomenclature for consumers is “SuperSpeed USB” for 5Gbps products, “SuperSpeed USB 10Gbps” for 10Gbps products and “SuperSpeed USB 20Gbps” for 20Gbps products.
