2.2 released 26 February 2017, latest 2.2.6.
Vue 2.2 reached end of life on 27 April 2017.
What changed
Vue 2.2 extended the Vue 2 runtime and server-rendering capabilities rather than changing the component model introduced by earlier Vue 2 releases. It added integer ranges as a v-for source, allowing templates to render a fixed number of iterations. For server-rendered applications, it added streaming rendering through the server renderer and component-level caching options, reducing the need to generate an entire HTML response before sending it. These changes were incremental: applications written for earlier Vue 2 releases generally remained compatible, but SSR applications gained new rendering and caching paths that required deliberate server-side integration.
What staying costs
Vue 2.2 has reached end of life, so defects, security issues, and compatibility failures in this specific release line will not receive upstream fixes. Its dependency assumptions are also old: modern build tools, browsers, test environments, Node.js runtimes, and Vue ecosystem packages may no longer work cleanly with it. Teams using its SSR features carry additional risk because the old server-renderer APIs, cache behavior, and streaming integration are far removed from current Vue SSR tooling. Continuing to patch an application around Vue 2.2 can make a later migration harder, especially when application code and third-party dependencies retain deprecated Vue 2 patterns.
What to do
First, inventory the application’s Vue version, compiler and server-renderer packages, build tooling, browser targets, plugins, and any server-side rendering or streaming code. Add or strengthen automated coverage around component behavior, routing, state management, generated HTML, hydration, and error handling before changing framework versions. If a direct move is too large, upgrade within Vue 2 to the latest compatible Vue 2 release as a short-lived stabilization step, updating the matching template compiler and server renderer at the same time. Then plan a Vue 3 migration using the Vue compatibility build where appropriate, replacing incompatible APIs and dependencies incrementally. Treat SSR as a separate workstream: validate rendered output, caching, streaming behavior, and hydration under the Vue 3 renderer rather than assuming Vue 2.2 server-rendering behavior transfers unchanged.
We can tell you what moving off Vue 2.2 involves.
What it takes to move off Vue 2.2 depends on what you built on it — the version you are on, how much depends on it, and how much of the work is mechanical. Leave your email with this version and we can tell you what that looks like for you.