---
area: "Changes"
parent: "Changes"
url: "https://unpoly.com/changes/0.16.0"
released: "2016-01-16"
---
<nav aria-label="Unpoly docs">[All docs](https://unpoly.com/index.md) · [Changes](https://unpoly.com/changes.md)</nav>

# Version 0.16.0

Released on January 16, 2016 with [16 commits](https://github.com/unpoly/unpoly/commits/v0.16.0)

## Compatible changes {#compatible-changes}

- You can now configure [`up.proxy.config.maxRequests`](https://unpoly.com/up.proxy.config) to limit the maximum number of concurrent requests. Additional requests are queued. This currently ignores preloading requests.

  You might find it useful to set this to `1` in full-stack integration tests (e.g. Selenium).

- Allow to disable animations globally with `up.motion.enabled = false`. This can be useful in full-stack integration tests like a Selenium test suite.

- New function [`up.motion.isEnabled`](https://unpoly.com/api/up.motion.isEnabled.md) to check if animations will be performed.

- [`up.popup.attach()`](https://unpoly.com/api/up.popup.attach.md) now throws a helpful error when trying to attach a popup to a non-existing element

- New option [`up.modal.config.history`](https://unpoly.com/api/up.modal.config.md) to configure if modals change the browser URL (defaults to `true`)

- New option [`up.popup.config.history`](https://unpoly.com/api/up.popup.config.md) to configure if popup change the browser URL (defaults to `false`).

- Fix CSS for popups with a position of `"bottom-left"`.

## Breaking changes {#breaking-changes}

- ⚠️ Popups and modals used to close automatically whenever an element behind the overlay was replaced. This behavior is still in effect, but only if the replacement was triggered by a link or element from within the popup or modal.
- ⚠️ Popups and modals no longer raise an error if their (hidden) overlay was closed before the response was received.
- ⚠️ Popups and modals are now compiled before they are animated.