Chromium is written in C++. Currently, C++11 and C++14 are supported. The following is mentioned in the Chromium C++ Style Guide:
- C++11: Default allowed; see banned features below
- C++14: Default allowed; see banned features below
- C++17: Not yet supported in Chromium, unlikely before mid-2021; tracking bug
- C++20: Not yet standardized
- Abseil: Initially supported July 31, 2020; see allowed/banned/TBD features below
- absl::StatusOr: Initially supported September 3, 2020
The C++ Style Guide is included in in the source on https://chromium.googlecode.com:
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solved What is the name of the language in which the main program of Chromium is written?