Microsoft has a really good article on using a semantic query language to find exploitable DOM XSS findings. Honestly the whole series is recommended, but the DOM XSS one here is particularly good.
https://msrc-blog.microsoft.com/2018/08/16/vulnerability-hunting-with-semmle-ql-part-1/
Google Project Zero revealed a UAF bug in Android a bit ago, and here is an awesome analysis of how it happened. Good reading for mobile devs especially, but I certainly learned stuff too.
https://dayzerosec.com/posts/analyzing-androids-cve-2019-2215-dev-binder-uaf/
In continuing supply chain news, Armor has a good article on Managed Service Providers being a strong candidate for Malware Distributers of the Year.
https://www.armor.com/reports/new-msps-compromised-reports-armor/
That's the news!