# 2020.02.12 Preview Release Notes

**URL:** <https://discuss.epiforge.com/t/2020-02-12-preview-release-notes/20>\
**Category:** Releases\
**Created:** [February 24, 2020, 6:56am UTC](https://discuss.epiforge.com/t/2020-02-12-preview-release-notes/20 "2020-02-24T06:56:20Z")\
**Posts on this page:** 1\
**Showing post:** 1

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**Author:** ![daniel.henry](https://yyz1.discourse-cdn.com/flex031/user_avatar/discuss.epiforge.com/daniel.henry/32/28_2.png) [@daniel.henry](https://discuss.epiforge.com/u/daniel.henry)\
**Post date:** [February 24, 2020, 6:56am UTC](https://discuss.epiforge.com/t/2020-02-12-preview-release-notes/20/1 "2020-02-24T06:56:20Z")

</div>

To preview this release, complete these steps:

1. launch Grindstone
2. open the main Grindstone window
3. click the **Help** menu
4. select **Switch to Preview Releases**
5. click the **OK** button

* * *

**Grindstone Pro**

- Grindstone Pro is a whole new way to show your support for Grindstone’s development even if you have no need for Grindstone Sync, and get some extras from us for doing so. Licenses are machine-specific and cost 5 USD for a month or 60 USD for the lifetime of the device.
- Grindstone Pro disables all ads in Grindstone.
- Grindstone Pro introduces **Extensions** , allowing Pro users to customize and extend the functionality of Grindstone.  
 ![image_116](https://canada1.discourse-cdn.com/flex031/uploads/epiforge/original/1X/84a8e3372c3ba2e6285207eeac70e013cb3cd7c6.png)

We have created several fora supporting this new feature:

- [Grindstone 4 Extension Gallery](https://discuss.epiforge.com/c/grindstone-4/extension-gallery/8) - get extensions, talk about popular extensions, and to share your own extensions
- [Grindstone 4 Extension Ideas](https://discuss.epiforge.com/c/grindstone-4/extension-ideas/9) - to volunteer ideas for new extensions for Grindstone 4, and comment on and express support for the ideas of others
- [Grindstone 4 Extension Development](https://discuss.epiforge.com/c/grindstone-4/extension-development/10) - ask and answer questions about creating extensions for Grindstone 4

Those users previewing this release of Grindstone will be issued one-month Grindstone Pro licenses during the testing period at no charge (despite what Grindstone says about pricing). Although, an Epiforge Account is still required in order to be issued a license. Lifetime licenses will be unavailable for the duration of the testing period.

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_[View the full topic](https://discuss.epiforge.com/t/2020-02-12-preview-release-notes/20)._