Is a shallow pool to blame for an Olympic swim competition lacking world records?

Through the first four days of Olympic competition in the portable pool at La Defense Arena in Nanterre, France, no world records were set in swimming. The culprit for the slower-than-expected times appears to be a pool slightly shallower than the optimal depth.

Is a shallow pool to blame for an Olympic swim competition lacking world records?
Canadian women's swimmer Summer Mcintosh pictured in the pool at La Defense Arena in Nanterre, France, following a 200-metre butterfly heat during the Paris Olympics on July 31, 2024.

Through the first four days of Olympic competition in the portable pool at La Defense Arena in Nanterre, France, no world records were set in swimming. The culprit for the slower-than-expected times appears to be a pool slightly shallower than the optimal depth.