This release bundles various improvements and new features over the last year.

• install/update: pip install -U gcovr
• full changelog and documentation: https://gcovr.com/en/5.0/changelog.html

Breaking changes:

• Dropped support for Python 2 and Python 3.5. From now on, gcovr will only support Python versions that enjoy upstream support.

Improvements and new features:

• Handles spaces in gcov path. (#385)
• Early fail when output cannot be created. (#382)
• Add option --txt for text output. (#387)
• Add option--csv for CSV output. (#376)
• Add option--exclude-lines-by-pattern to filter out source lines by arbitrary regex. (#356)
• Add --json-summary to generate a JSON Summary report. (#366)
• Add --coveralls to generate a Coveralls compatible JSON report. (#328)
• Add support for output directories. If the output ends with a / or \ it is used as a directory. (#416)
• Compare paths case insensitive if file system of working directory is case insensitive. (#329)
• Add wildcard pattern to json --add-tracefile. (#351)
• Enable --filter and --exclude for Combining tracefiles. (#373)
• Only output 100.0% in text and HTML output if really 100.0%, else use 99.9%. (#389)
• Support relative source location for shadow builds. (#410)
• Incorrect path for header now can still generate html-details reports (#271)
• Change format version in JSON output from number to string and update it to "0.2". (#418, #463)
• Only remove --root path at the start of file paths. (#452)
• Fix coverage report for cmake ninja builds with given in-source object-directory. (#453)
• Add issue templates. (#461)
• Add --exclude-function-lines to exclude the line of the function definition in the coverage report. (#430)
• Changes for HTML output format:
  • Redesign HTML generation. Add --html-self-contained to control externeal or internal CSS. (#367)
  • Change legend for threshold in html report. (#371)
  • Use HTML title also for report heading. Default value for --html-title changed. (#378)
  • Add --html-tab-size to configure tab size in HTML details. (#377)
  • Add option --html-css for user defined styling. (#380)
  • Create details html filename independent from OS. (#375)
  • Add --html-theme to change the color theme. (#393)
  • Add linkable lines in HTML details. (#401)
  • Add syntax highlighting in the details HTML report. This can be turned off with --no-html-details-syntax-highlighting. (#402, #415)

Internal changes:

• Add makefile + dockerfile for simpler testing.
• Add .gitbugtraq to link comments to issue tracker in GUIs. (#429)
• Add GitHub actions to test PRs and master branch. (#404)
• Remove Travis CI. (#419)
• Remove Appveyor CI and upload coverage report from Windows and Ubuntu from the GitHub actions. (#455)
• Add check if commit is mentioned in the CHANGELOG.rst. (#457)
• Move flake8 config to setup.cfg and add black code formatter. (#444)
• Fix filter/exclude relative path issue in Windows. (#320, #479)
• Extend test framework for CI:
  • Set make variable TEST_OPTS as environment variable inside docker. (#372)
  • Add make variable USE_COVERAGE to extend flags for coverage report in GitHub actions. (#404)
  • Extend tests to use an unified diff in the assert. Add test options --generate_reference, --update_reference and --skip_clean. (#379)
  • Support multiple output patterns in integration tests. (#383)
  • New option --archive_differences to save the different files as ZIP. Use this ZIP as artifact in AppVeyor. (#392)
  • Add support for gcc-8 to test suite and docker tests. (#423)
  • Run as limited user inside docker container and add test with read only directory. (#445)