- pytest.mark.qt_log_ignore now supports an extend parameter that will extend
the list of regexes used to ignore Qt messages (defaults to False).
- Fixed internal error when interacting with other plugins that raise an error,
hiding the original exception.
- When combining data files, unreadable files will now generate a warning
instead of failing the command. This is more in line with the older
coverage.py v3.7.1 behavior, which silently ignored unreadable files.
- The --skip-covered option would skip reporting on 100% covered files, but
also skipped them when calculating total coverage. This was wrong, it should
only remove lines from the report, not change the final answer. This is now
fixed.
- In 4.0, the data file recorded a summary of the system on which it was run.
Combined data files would keep all of those summaries. This could lead to
enormous data files consisting of mostly repetitive useless information. That
summary is now gone. If you want summary information,
get in touch, and we'll figure out a better way to do it.
- Test suites that mocked os.path.exists would experience strange failures, due
to coverage.py using their mock inadvertently. This is now fixed.
- Importing a ``__init__`` module explicitly would lead to an error:
``AttributeError: 'module' object has no attribute '__path__'``. This is now
fixed.
- Code that uses ``sys.settrace(sys.gettrace())`` used to incur a more than 2x
speed penalty. Now there's no penalty at all.
- Pyexpat C code will no longer be recorded as a source file.
- The source kit now contains all of the files needed to have a complete source
tree.
