I suggest you report this to the pgAdmin project:
https://www.pgadmin.org/support/list/
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On Mon, Feb 4, 2019 at 08:51:17PM +0000, PG Bug reporting form wrote:
> The following bug has been logged on the website:
>
> Bug reference: 15620
> Logged by: Basil Hararah
> Email address: bhararah@hotmail.com
> PostgreSQL version: 11.1
> Operating system: Windows 10 x64
> Description:
>
> Dear Madam / Sir
>
> First of all I would like to mention that this bug was not encountered in
> pgAdmin III 1.22 unlike pgAdmin IV which no version of it, from 1.0 up to
> 4.1, could handle this issue properly.
> I also tried many versions of PostgreSQL with no luck in getting this
> solved.
> I could only try this using pgAgent 3.4. I could not install pgAgent 4.0
> because for some reason it does not appear on the Stack Builder installer
> and I could not find another way to install it on Windows 10 x64.
>
> The issue can be encountered when a job is created with more than one
> schedule.
> You will notice that Properties tab shows correctly if you click on the 1st
> schedule in schedules list of the job but if you click on any other
> schedule, like 2nd or 3rd etc., Properties tab will keep showing the 1st
> schedule properties all the time.
> A fresh installation of pgAgent was used on a server that did not have
> pgAgent before and the same issue was encountered which confirmed that this
> issue is a software bug issue not a messed up settings issue on my side.
>
> Looking forward to hearing from you.
> Thank you for your time and efforts.
>
> Best regards,
> Basil Hararah
>
--
Bruce Momjian <bruce@momjian.us> http://momjian.us
EnterpriseDB http://enterprisedb.com
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