On 6/15/21 8:39 AM, Zimoch Dirk (PSI) via Core-talk wrote:
> One of my customers complained that his EPICS 3.13.2 client cannot connect any longer since the IOC has been upgraded
> from 3.14.12 to 7.0.5.
I checked and 'caget' from the current 3.14 works with 'softIoc' from current 7.0.
> (Don't tell me that he should upgrade, please.)
I won't tell you that he _must_ upgrade, but I will certainly say that he _should_.
> Searching the release notes, I found that support for clients < V4 (< EPICS R3.12.0-beta1) are not supported any longer
> since 3.16.1. But the client is question reports V4.8.
> Was there another CA compatibility drop since 3.16.1?
No. Though, my change which dropped support for < 3.12 actually seems
to have dropped support for < 3.13. I have no way to test anything
before 3.14, so I'm not certain of this.
https://github.com/epics-base/epics-base/pull/141#discussion_r602439829
While I don't anticipate any further deprecation of older CA protocol
versions, it should be noted that interoperability with older versions
is getting little to no testing. It is inevitable that regressions
will creep in unless those with a continuing interest regularly test
the latest developments with these oldest versions.
- Replies:
- Re: CA incompatibilities? Johnson, Andrew N. via Core-talk
- Re: CA incompatibilities? Mark Rivers via Core-talk
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