Most formatting conflicts show up in code review. One developer keeps braces on the same line, another wraps every long connect(...), someone else formats constructor initializer lists differently, and before long the diff is half style noise and half real change. clang-format matters because it turns those choices into a shared, repeatable policy instead of a recurring team debate.

TL;DR

Treat .clang-format as repository policy, not a personal IDE preference.

In Qt projects, this reduces noise around long connect(...) calls, macros, and initializer lists.

Let Qt Creator apply the project’s formatting rules instead of inventing local ones.

Optimize for consistency and maintainability, not perfect reproduction of legacy style.

For Qt teams, that is the most useful way to think about clang-format in practice. It is not a separate formatter.…