Paradoxically, though the 2017 levels of Open Access article output have markedly declined, the underlying trends tentatively point to the growing or stable levels of Gold Open Access over the last decade with rising levels of hybrid Open Access in recent years. A recent report indicates possible reasons for these developments.
L. Graf-Vlachy, D. Graziotin, and S. Wagner. EASE 2022: The International Conference on Evaluation and Assessment in Software Engineering 2022, page 20--29. Gothenburg Sweden, ACM, (June 2022)
