After upgrading our store from Magento 2.4.6-p3 to Magento 2.4.8, the checkout page takes noticeably longer to load (~3–4 seconds slower than before).
We’re using the following stack:
Magento: 2.4.8 (Open Source)
PHP: 8.4
Redis: 7.2
Varnish: 7.3
MySQL: 8.0.36
Elasticsearch: 8.11
Caching and indexing are configured properly, and there are no visible errors in var/log/ or browser console.
FPC and Redis caching are enabled, and the same configuration worked fine on 2.4.6-p3.
Has anyone experienced checkout performance degradation after upgrading to Magento 2.4.8, and are there any known cache or dependency changes that affect checkout rendering?