Web Payments API is a way to integrate payments into browsers directly. Apple is now doubling down on the technology and payments are now possible using Apple Pay.
Web Components aim to provide the tools needed for contemporary web development as native tools. However, there is now quite a bit of complexity in Polymer, etc. Fit-html is a light weight Web Components framework using lit-html and Redux.
The social media giant Facebook has been receiving some flak over the Cambridge Analytica case, but behind the scenes work goes on. The company has now made it's mobile web property to comply with PWA (Progressive Web App) specifications.
AWS Lambda, the serverless infrastructure from Amazon's Web Services arm has become a popular platform for hosting microservice architecture based apps. The platform provides support for multiple programming languages and frameworks - currently Node.js, Python Java, C# and Go are on the menu.
PHP continues it's long run as the world's favourite server side language in terms of adoption. The ubiqutious language continues to evolve as the team pushes new improvements now GC improvements are coming to PHP 7.3.