The latest issue of the Journal for the Study of Paul and His Letters 9.1-2 (2019) is based on a 2018 conference held in Belgium about the Pastoral Epistles. It has a very good list of contributions and studies on issues related to authorship, gender, theology, and more.
JERMO VAN NES
The Pastoral Epistles: Common Themes, Individual Compositions? An Introduction to the Quest for the Origin(s) of the Letters to Timothy and Titus
JENS HERZER
Narration, Genre, and Pseudonymity: Reconsidering the Literary Relationship of the Pastoral Epistles
MATTHIJS DEN DULY
Pauline Biography and the Letter to Titus: A Response to Jens Herzer
PETER-BEN SMIT
Supermen and Sissies: Masculinities in Titus and 1 Timothy
SUZAN J. M. SIERKSMA-AGTERES
Faithfulness as Subhegemonic Antidote to a Precarious Existence: A Response to Peter-Ben Smit
ROB VAN HOUWELINGEN
The Meaning of Epiphaneia in the Pastoral Epistles
DOGARA ISHAYA MANOMI
Salvific, Ethical, and Consummative “Appearances” in the Pastoral Epistles? A Response to Rob van Houwelingen
ARMIN D. BAUM
Stylistic Diversity in the Corpus Ciceronianum and in the Corpus Paulinum: A Comparison and Some Conclusions
JOHN PERCIVAL
Deciding What Counts: The Difficulties of Comparing Stylistic Diversity.
STANLEY E. PORTER
Pastoral Epistles: Common Themes, Individual Compositions, and Concluding Reflections