Merge branch 'hotfix/0.6.6'
Merge branch 'release/0.6.7'
Merge branch 'release/0.6.8'
Merge branch 'release/0.6.9'
Merge branch 'release/0.6.10'
Merge branch 'release/0.6.11'
fix code_fetcher
Merge branch 'hotfix/0.6.12' into develop