According to sources at Mac Otakara, Apple could be set to launch a new iPad Air 5 model, outfitted with a 5nm A15 SoC and an enhanced camera. The display and chassis may not be upgraded over the current-gen iPad Air, however.
https://www.notebookcheck.net/Apple-may-be-prepping-the-new-iPad-Air-5-featuring-an-A15-processor-and-enhanced-Center-Stage-front-cam-with-a-2022-launch-timeframe.593197.0.html