Experimental Physics and
Industrial Control System

PVXS 1.1.0 is available with bug fixes, optimizations, and some
API additions.  Also, P4P 4.1.5 which is mainly to rebuild
against the newer pvxslibs module.

download https://github.com/mdavidsaver/pvxs/releases

documentation https://mdavidsaver.github.io/pvxs

release notes https://mdavidsaver.github.io/pvxs/releasenotes.html

There is a behavior change to client monitors which is worth
highlighting.  Previously, monitor updates were simple deltas,
reflecting the underlying PVA protocol payload.  This meant that
fields not marked as changed appeared to have a default value
appropriate to the field type (eg. 0, "", or [] )

I've finally convinced myself that this is confusing too many
people.  So beginning with 1.1.0, the unchanged fields of each
update will be populated with the most recently received value.

Of course I would still encourage users to explicitly check that
certain fields change to correctly identify "value" vs. "meta-data"
updates.

This should be an compatible, and likely transparent, for most
dependent code already explicitly checking for field changes.

The only potential issue I can see is if someone were assuming
that ref. counted field values (eg. array fields) are unique(),
which will no longer be the case.  eg. if going outside my API
to do in-place modification of a large array.  If anyone is doing
this, please let me know.


On 9/16/22 13:31, Michael Davidsaver wrote:

I have decided to hang a big 1.0.0 version number on what is
otherwise not an interesting PVXS release.  Although I suppose
that is the point.  The API has been stable, and this seems
likely to continue.

This milestone does mean that my stated version numbering
policy comes into full force.  So going forward, any backwards
incompatible change, not matter how slight, would trigger 2.0.0.

Conversely, any further 1.x.x releases should be fully
backwards compatible.

https://mdavidsaver.github.io/pvxs/details.html#release-policy


In terms of actual content,  There is a bug fix and a minor
API addition (and ABI change).


download https://github.com/mdavidsaver/pvxs/releases

documentation https://mdavidsaver.github.io/pvxs

release notes https://mdavidsaver.github.io/pvxs/releasenotes.html


P4P is updated as well as 4.1.2 with a change by Juan Müller
@ESS to make the asyncio client less noisy on KeyboardInterrupt.

https://mdavidsaver.github.io/p4p/

https://pypi.org/project/p4p/

Replies:

PVXS release 1.1.1 Michael Davidsaver via Tech-talk

References:

Re: PVXS release 0.3.0 and P4P 4.0.1 Michael Davidsaver via Tech-talk

Re: PVXS release 1.0.0 and P4P 4.1.2 Michael Davidsaver via Tech-talk

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