<commit_before># nanoc news

## 4.0.0a1 (2015-05-09)

This is a major upgrade. For details on upgrading, see the [nanoc 4 upgrade guide](http://nanoc.ws/docs/nanoc-4-upgrade-guide/).
<commit_msg>Add release notes for 4.0.0a2<commit_after># nanoc news

## 4.0.0a2 (2015-05-??)

Features:

* Glob patterns (opt-in by setting `pattern_syntax` to `"glob"` in the site configuration)
* Identifiers with extensions (opt-in by setting `identifier_style` to `"full"` in the data source configuration)

Enhancements:

* Added several convenience methods to view classes (#570, #572)

See the [nanoc 4 upgrade guide](http://nanoc.ws/docs/nanoc-4-upgrade-guide/) for details.

## 4.0.0a1 (2015-05-09)

This is a major upgrade. For details on upgrading, see the [nanoc 4 upgrade guide](http://nanoc.ws/docs/nanoc-4-upgrade-guide/).

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