Theme color is not changing in ionic ios ipa in 16.4 and above

Changing theme color inside app by dynamic css styles stylesheet changes is not working with iOS v16.4 and 16.5. This issue is dependent on specific OS and we are not able to inspect or debug the particular issue in safari after updating the iOS version to 16.4. The same is working on iOS v16.3 and below. Technology used to build app: Ionic with Angular