# It's time for Buster RC-2. Testers Needed!

**URL:** <https://discourse.zynthian.org/t/its-time-for-buster-rc-2-testers-needed/4202>\
**Category:** Software Updates\
**Created:** [May 22, 2020, 11:40pm UTC](https://discourse.zynthian.org/t/its-time-for-buster-rc-2-testers-needed/4202 "2020-05-22T23:40:44Z")\
**Posts on this page:** 1\
**Showing post:** 37

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**Author:** ![le51](https://discourse.zynthian.org/user_avatar/discourse.zynthian.org/le51/32/1706_2.png) [@le51](https://discourse.zynthian.org/u/le51)\
**Post date:** [May 29, 2020, 8:24am UTC](https://discourse.zynthian.org/t/its-time-for-buster-rc-2-testers-needed/4202/37 "2020-05-29T08:24:29Z")

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I’ve got randomly UI freeze when using ZynAddSubFx. I have to restart UI.  
I’m downloading [https://os.zynthian.org/2020-05-29-zynthianos-buster-lite-1.0.0.zip](https://os.zynthian.org/2020-05-29-zynthianos-buster-lite-1.0.0.zip) to see if same thing occur.  
Unfortunately, the touchscreen of my 5inch HDMI+GPIO display is dead so I can’t test “[that miracle script](https://discourse.zynthian.org/t/could-this-be-the-end-of-all-touch-screen-calibration-issues/4167/58)”

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