JHipster, the Yeoman generator for Spring Boot/Angular projects, released version 2.0 earlier this month, with some notable changes: 1) the AngularJS code has been modularized, making it easier to use JHipster for larger projects and 2) Liquibase is now able to create "diffs" between the JPA code and the database, making it easier to update your database schema.
Ember.js has released version 1.9, bringing with it support for Handlebars 2.0, as well as performance improvements, and the introduction of HTMLBars into the Ember 1.10 beta.
Google has announced AngularJS 1.4 and their plans for 2015 on the 1.X branch. New features and bug fixes will come to AngularJS 1.4 and 1.5 while development on 2.0 continues in parallel.
Matt DeBergalis has announced the Meteor 1.0 release, with new features for mobile app development and packaging improvements. Among some of the highlights in the landmark release is improved Mobile App Support. Where support for building mobile apps in Meteor was announced in September's 0.9.2 release, 1.0 brings with it significant changes relating to Cordova.
Ember 1.8 has been announced. One of the biggest changes is use of metal-views, which improves rendering performance as well as paves the way for more rendering improvements, grouped as "HTMLBars" in the future.
The Angular team has released AngularDart 1.0, which contains a lot of new features, performance improvements and bug fixes. It is the first version of the framework with the stamp "production-ready".
At the 2014 ng-europe conference in Paris, the Angular team gave attendees details about the upcoming AngularJS 2.0 release. It's a significant departure from version 1.X that eliminates much of the existing architecture. Angular 2.0 is built on a new language called AtScript.
Google has announced version 1.3.0 of AngularJS, code named "superluminal-nudge". The release brings substantial performance improvements that reduce memory consumption, increase the speed of common DOM operations, and improve overall latency of Angular app.
The upcoming AngularJS 1.3 release arrives with a heavy focus on improved form data manipulation. While this version solves some real-life pain points, for some developers, it may not be an automatic upgrade.
Synth, an API-first web framework built on Node.js, was announced recently. Features include preload angular model data on page load, preload HTML view on page load, and a simplified project structure. Despite some positive reactions, it has also been greeted with confusion from the wider developer community.
Express.JS, the Node.js web application framework, recently released version 4.0, with router improvements and removed bundled middleware,; but the team say they currently have "no major plans” for future releases.