Online Developer Meeting (2021-05-25): Difference between revisions

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(→‎Todays topics: Add notes and memory of Kai)
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* Meet and greet 5 minutes before meeting (audio testing).
* Meet and greet 5 minutes before meeting (audio testing).
=== Discourse ===
* General question about the acceptance.
** We like it.
* Continue to no longer actively advertise the mailing-lists.


=== Octave 6.3.0 ===
=== Octave 6.3.0 ===


* [[6.3 Release Checklist]]
* [[6.3 Release Checklist]]
* Bug {{bug|60620}}: octave-cli crashes when interacting with Java libraries
** Not blocking release.
** jwe takes a look.
* ABI breaking minor release? https://octave.discourse.group/t/more-frequent-minor-releases/1127
* ABI breaking minor release? https://octave.discourse.group/t/more-frequent-minor-releases/1127
** Not blocking release.
** Do not increase major version number, only API version.
=== Octave releases ===
* Only one major release per year.
** Should include new features.
** Developer time is limited, more not doable.
** More frequent minor releases, not 100% perfect, promise to '''try''' to keep API/ABI compatibility.
* Better error than crash on API/ABI changes.
** It seems this problem occurred with '''development''' versions of Octave.
*** '''No mercy for developers:''' they hopefully know what they are doing, have to cope with breaking changes.
*** Normally the API version of oct files is checked, thus it should not have crashed and rather have warned.
*** Contrary with development version, even after breaking changes, the API is only incremented '''once for the release'''.  This might have caused the trouble.
* Octave on MS Windows, Linux, macOS usually has somehow a compiler available (unlike Matlab on MS Windows), thus recompiling the oct files is annoying, but not impossible.
=== GitHub Actions ===
* Markus gave a small presentation of this project.
** https://github.com/gnu-octave/octave/actions (need to be member of the https://github.com/gnu-octave organization, just ask on Discourse https://octave.discourse.group/t/github-gitlab-organization-for-gnu-octave/178).
** Not 100% perfect yet, but already in a good shape.
** CodeQL static code analysis
** '''Help with macOS wanted'''
=== QScintilla signal/slot problem ===
* Bug {{bug|60469}}
* On MS Windows only for QScintilla the "safer" signal/slot changes seem to not work.
** Revert it until the problem is identified.


== Previous topics ==
== Previous topics ==

Revision as of 01:50, 26 May 2021

Todays topics

  • Meet and greet 5 minutes before meeting (audio testing).

Discourse

  • General question about the acceptance.
    • We like it.
  • Continue to no longer actively advertise the mailing-lists.

Octave 6.3.0

Octave releases

  • Only one major release per year.
    • Should include new features.
    • Developer time is limited, more not doable.
    • More frequent minor releases, not 100% perfect, promise to try to keep API/ABI compatibility.
  • Better error than crash on API/ABI changes.
    • It seems this problem occurred with development versions of Octave.
      • No mercy for developers: they hopefully know what they are doing, have to cope with breaking changes.
      • Normally the API version of oct files is checked, thus it should not have crashed and rather have warned.
      • Contrary with development version, even after breaking changes, the API is only incremented once for the release. This might have caused the trouble.
  • Octave on MS Windows, Linux, macOS usually has somehow a compiler available (unlike Matlab on MS Windows), thus recompiling the oct files is annoying, but not impossible.

GitHub Actions

QScintilla signal/slot problem

  • Bug #60469
  • On MS Windows only for QScintilla the "safer" signal/slot changes seem to not work.
    • Revert it until the problem is identified.

Previous topics

The following items were not discussed. Just some links to progress on those items are displayed.

MXE Octave branches

  • Which changes should go on which branch?
    • "default": everything new
    • "release": conservative updates

Buildbots

GitHub

  • Markus added a folder ".github" to the Octave main repo?
    • How are the experiences so far? 😉

String class strategy

Classdef

  • Wish to define classdef classes from C++ "nicely" (currently only from m-files comfortable usable).
  • This would also help implementing the string class.

C++17

General consensus was to stay with C++11 until a "killer application" shows up that justifies changing to a newer standard.

Ideas for next meeting

See also