E. Raymond, The cathedral and the bazaar, Knowledge, Technology & Policy, vol.12, issue.3, pp.23-49, 1999.

D. W. Van-liere, How shallow is a bug? why open source communities shorten the repair time of software defects, Proceedings of the 30th International Conference on Information Systems, p.195, 2009.

J. Anvik, L. Hiew, and G. C. Murphy, Coping with an open bug repository, Proceedings of the 2005 OOPSLA workshop on Eclipse technology eXchange, pp.35-39, 2005.

J. L. Davidson, N. Mohan, and C. Jensen, Coping with duplicate bug reports in free/open source software projects, Proceedings of the 2011 Symposium on Visual Languages and Human-Centric Computing, pp.101-108, 2011.

N. Bettenburg, R. Premraj, T. Zimmermann, and S. Kim, Duplicate bug reports considered harmful, really?" in Proceedings of the 24th International Conference on Software Maintenance, pp.337-345, 2008.

S. Breu, R. Premraj, J. Sillito, and T. Zimmermann, Information needs in bug reports: improving cooperation between developers and users, Proceedings of the 2010 Conference on Computer Supported Cooperative Work, pp.301-310, 2010.

C. Jensen and W. Scacchi, Role migration and advancement processes in OSSD projects: A comparative case study, Proceedings of the 29th International Conference on Software Engineering, pp.364-374, 2007.

K. Nakakoji, Y. Yamamoto, Y. Nishinaka, K. Kishida, and Y. Ye, Evolution patterns of open-source software systems and communities, Proceedings of the International Workshop on Principles of Software Evolution, pp.76-85, 2002.

Y. Ye and K. Kishida, Toward an understanding of the motivation open source software developers, Proceedings of the 25th International Conference on Software Engineering, pp.419-429, 2003.

J. D. Angrist and J. Pischke, Mostly harmless econometrics: An empiricist's companion, 2008.

, Mastering'metrics: The path from cause to effect, 2014.

R. Jacob, P. Zhu, M. Somers, and H. Bloom, A practical guide to regression discontinuity, 2012.

D. S. Lee and T. Lemieux, Regression discontinuity designs in economics, Journal of economic literature, vol.48, issue.2, pp.281-355, 2010.

C. Hausman and D. S. Rapson, Regression discontinuity in time: Considerations for empirical applications, Annual Review of Resource Economics, vol.10, pp.533-552, 2018.

J. D. Strate and P. A. Laplante, A literature review of research in software defect reporting, IEEE Transactions on Reliability, vol.62, issue.2, pp.444-454, 2013.

T. Zhang, H. Jiang, X. Luo, and A. T. Chan, A literature review of research in bug resolution: Tasks, challenges and future directions, The Computer Journal, vol.59, issue.5, pp.741-773, 2016.

S. A. Karre, A. Shukla, and Y. R. Reddy, Does your bug tracking tool suit your needs? a study on open source bug tracking tools, 2017.

G. Abaee and D. Guru, Enhancement of bug tracking tools; the debugger, Proceedings of the 2nd International Conference on Software Technology and Engineering, vol.1, pp.1-165, 2010.

O. Baysal, R. Holmes, and M. W. Godfrey, Situational awareness: personalizing issue tracking systems, Proceedings of the 35th International Conference on Software Engineering, pp.1185-1188, 2013.

, No issue left behind: Reducing information overload in issue tracking, Proceedings of the 22nd International Symposium on Foundations of Software Engineering, pp.666-677, 2014.

G. T. Bortis, Porchlight: A tag-based approach to bug triaging, 2016.

S. Just, R. Premraj, and T. Zimmermann, Towards the next generation of bug tracking systems, Proceedings of the 2008 Symposium on Visual Languages and Human-Centric Computing, pp.82-85, 2008.

S. K. Sowe, R. A. Ghosh, and K. Haaland, A multi-repository approach to study the topology of open source bugs communities: Implications for software and code quality, International Journal of Computer Theory and Engineering, vol.5, issue.1, p.138, 2013.

T. F. Bissyandé, D. Lo, L. Jiang, L. Réveillere, J. Klein et al., Got issues? who cares about it? a large scale investigation of issue trackers from github, Proceedings of the 24th International Symposium on Software Reliability Engineering, pp.188-197, 2013.

C. Francalanci and F. Merlo, Empirical analysis of the bug fixing process in open source projects, Proceedings of the 4th International Conference on Open Source Systems. IFIP, pp.187-196, 2008.

B. De-alwis and J. Sillito, Why are software projects moving from centralized to decentralized version control systems, Proceedings of the 2009 ICSE Workshop on Cooperative and Human Aspects on Software Engineering, pp.36-39, 2009.

K. Mu?lu, C. Bird, N. Nagappan, and J. Czerwonka, Transition from centralized to decentralized version control systems: A case study on reasons, barriers, and outcomes, Proceedings of the 36th International Conference on Software Engineering, pp.334-344, 2014.

M. Squire, should we move to stack overflow?" measuring the utility of social media for developer support, Proceedings of the 37th International Conference on Software Engineering, vol.2, pp.219-228, 2015.

B. Vasilescu, A. Serebrenik, P. Devanbu, and V. Filkov, How social Q&A sites are changing knowledge sharing in open source software communities, Proceedings of the 17th Conference on Computer Supported Cooperative Work & social computing, pp.342-354, 2014.

D. A. Da-costa, S. Mcintosh, C. Treude, U. Kulesza, and A. E. Hassan, The impact of rapid release cycles on the integration delay of fixed issues, Empirical Software Engineering, pp.1-70, 2018.

Y. Zhao, A. Serebrenik, Y. Zhou, V. Filkov, and B. Vasilescu, The impact of continuous integration on other software development practices: a large-scale empirical study, Proceedings of the 32nd International Conference on Automated Software Engineering, pp.60-71, 2017.

A. Trockman, S. Zhou, C. Kästner, and B. Vasilescu, Adding sparkle to social coding: an empirical study of repository badges in the npm ecosystem, Proceedings of the 40th International Conference on Software Engineering, pp.511-522, 2018.

A. Berestovsky,

. Github, GitHub Developer Guide, 2019.

, GitHub GraphQL API v4, GitHub Developer Guide, 2019.

G. Robles, J. M. Gonzalez-barahona, and I. Herraiz, Evolution of the core team of developers in libre software projects, Proceedings of the 6th International Working Conference on Mining Software Repositories, 2009.

J. M. Wooldridge, Introductory econometrics: A modern approach. Nelson Education, 2015.

B. Bleikamp, Issue and Pull Request templates, 2016.

A. Gelman and G. Imbens, Why high-order polynomials should not be used in regression discontinuity designs, Journal of Business & Economic Statistics, pp.1-10, 2018.

A. K. Wagner, S. B. Soumerai, F. Zhang, and D. Ross-degnan, Segmented regression analysis of interrupted time series studies in medication use research, Journal of clinical pharmacy and therapeutics, vol.27, issue.4, pp.299-309, 2002.