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Developers Insight On Manifest v3 Privacy and Security Webextensions
Libor Pol\v{c}\'ak, Giorgio Maone, Michael McMahon, Martin Bedn\'a\v{r}
https://arxiv.org/abs/2507.13926

Developers Insight On Manifest v3 Privacy and Security Webextensions
Webextensions can improve web browser privacy, security, and user experience. The APIs offered by the browser to webextensions affect possible functionality. Currently, Chrome transitions to a modified set of APIs called Manifest v3. This paper studies the challenges and opportunities of Manifest v3 with an in-depth structured qualitative research. Even though some projects observed positive effects, a majority expresses concerns over limited benefits to users, removal of crucial APIs, or the n…