Test and document `MYPY_FORCE_COLOR`/`FORCE_COLOR`

no error when setting `init=False` on `Final` field in dataclass

False negative when accessing annotated class attributes

stubgen: import `Union` if generated stub code includes

Stubgen skips "vendor" directory

mypy Type error for a class with an imported metaclass

class with __setattr__ reports properties are read-only

Generate better error message for incompatible **kwargs

Bad error message: mypy reports 'Name is not defined' when using an object member as super class of another class

Better error location for incompatible override due to argument incompatibility

Recognize platform.system() as well as sys.platform is

Better message if override violates Liskov substitution principle

Improve documentation - cannot locate mypy.ini nor setup.cfg files

TypeVars should be allowed to be the same

PEP 572: Test interaction with `--allow-redefinition`

Verbose diagnostics can be improved

mypy does not recognize __qualname__

'in' operator rejected with union right operand

Docs: confirm that use of None-typed function return value is disallowed

Document or explain "<nothing>"

For incompatible attribute assignment, show class that defines attribute

Improve googleability by using real error messages in documentation

Document why having a union return type is often a problem

Add a TypeVar / generic function example to cheat sheet

Invalid Python in test cases

Simplify documentation between setup guide and boot camp

Update label names in the triaging section

Fix broken links in the Devguide

Clean up out of date or permanently redirected links

Adopt `potodo` in Makefile

docs: mention how to search from translated content in README.md