# Xojo 2019 r1.1 work on macOS Catalina 10.15.3?

**URL:** <https://forum.xojo.com/t/xojo-2019-r1-1-work-on-macos-catalina-10-15-3/52816>\
**Category:** macOS\
**Created:** [March 19, 2020, 5:54pm UTC](https://forum.xojo.com/t/xojo-2019-r1-1-work-on-macos-catalina-10-15-3/52816 "2020-03-19T17:54:50Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![Gabriele\_Marchionni](https://forum.xojo.com/user_avatar/forum.xojo.com/gabriele_marchionni/32/18893_2.png) [@Gabriele\_Marchionni](https://forum.xojo.com/u/Gabriele_Marchionni)\
**Post date:** [March 19, 2020, 5:54pm UTC](https://forum.xojo.com/t/xojo-2019-r1-1-work-on-macos-catalina-10-15-3/52816/1 "2020-03-19T17:54:50Z")

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I need an information:  
Xojo 2019 r1.1 work on macOS Catalina 10.15.3?  
I would like to be sure before updating the OS.

I have already updated Xcode to version 11.3.1.

Thanks to all!

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**Author:** ![Mike\_Cotrone](https://forum.xojo.com/user_avatar/forum.xojo.com/mike_cotrone/32/19940_2.png) [@Mike\_Cotrone](https://forum.xojo.com/u/Mike_Cotrone)\
**Post date:** [March 20, 2020, 1:40am UTC](https://forum.xojo.com/t/xojo-2019-r1-1-work-on-macos-catalina-10-15-3/52816/2 "2020-03-20T01:40:07Z")

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[quote=479699:@Gabriele Marchionni]I need an information:  
Xojo 2019 r1.1 work on macOS Catalina 10.15.3?  
I would like to be sure before updating the OS.

I have already updated Xcode to version 11.3.1.

Thanks to all![/quote]  
I am running Catalina 10.15.3 along with Xojo 2019r1.1.

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**Author:** ![David\_Cox](https://forum.xojo.com/user_avatar/forum.xojo.com/david_cox/32/227_2.png) [@David\_Cox](https://forum.xojo.com/u/David_Cox)\
**Post date:** [March 20, 2020, 9:01am UTC](https://forum.xojo.com/t/xojo-2019-r1-1-work-on-macos-catalina-10-15-3/52816/3 "2020-03-20T09:01:43Z")

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Don’t forget that you cannot run 32-bit macOS apps on Catalina.

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**Author:** ![Tim\_Jones](https://forum.xojo.com/user_avatar/forum.xojo.com/tim_jones/32/8627_2.png) [@Tim\_Jones](https://forum.xojo.com/u/Tim_Jones)\
**Post date:** [March 22, 2020, 5:32pm UTC](https://forum.xojo.com/t/xojo-2019-r1-1-work-on-macos-catalina-10-15-3/52816/4 "2020-03-22T17:32:44Z")

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[quote=479699:@Gabriele Marchionni]Xojo 2019 r1.1 work on macOS Catalina 10.15.3?  
[/quote]  
I use it daily.

[quote=479764:@David Cox]Don’t forget that you cannot run 32-bit macOS apps on Catalina.  
[/quote]  
However, you can build 32 bit apps 🙂

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**Author:** ![Gabriele\_Marchionni](https://forum.xojo.com/user_avatar/forum.xojo.com/gabriele_marchionni/32/18893_2.png) [@Gabriele\_Marchionni](https://forum.xojo.com/u/Gabriele_Marchionni)\
**Post date:** [March 25, 2020, 8:56pm UTC](https://forum.xojo.com/t/xojo-2019-r1-1-work-on-macos-catalina-10-15-3/52816/5 "2020-03-25T20:56:23Z")

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Thank you all!

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**Author:** ![Emile\_Schwarz](https://forum.xojo.com/letter_avatar_proxy/v4/letter/e/90ced4/32.png) [@Emile\_Schwarz](https://forum.xojo.com/u/Emile_Schwarz)\
**Post date:** [March 25, 2020, 9:06pm UTC](https://forum.xojo.com/t/xojo-2019-r1-1-work-on-macos-catalina-10-15-3/52816/6 "2020-03-25T21:06:55Z")

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And 10.15.4 was released…

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**Author:** ![system](https://forum.xojo.com/uploads/default/original/1X/455b4dcc0e61630e9f81940004ddffa49c432a46.png) [@system](https://forum.xojo.com/u/system)\
**Post date:** [April 29, 2021, 4:19pm UTC](https://forum.xojo.com/t/xojo-2019-r1-1-work-on-macos-catalina-10-15-3/52816/7 "2021-04-29T16:19:28Z")

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