Qt Contributors Summit 2021 - Program: Difference between revisions

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Back to [[Qt Contributors Summit 2021]]
Back to [[Qt Contributors Summit 2021]]


All times are in Central European Summer Time (CEST)
All times are in Central European Summer Time (CEST/UTC+2)


==Talk Proposals==
<span style="color:#FF0000">Important</span>: Please notice that the time where we will not collide with other BoFs from Akademy is '''between 12:00 - 16:00 UTC'''. In case you can move your session to a free slot on that time, please do so.


Please add your proposals here before end of day June 16th:
Pay attention that first column in the time tables shows the '''start''' times of a slot in different time zones and '''not''' the time span of a slot :-)
 
(for proposals to the Akademy program, please submit your proposal at https://akademy.kde.org/2021/cfp by the end of May 2nd)


===Tuesday, 2021-06-22===
{| class="wikitable"
{| class="wikitable"
|+
!Time UTC/CEST
! colspan="5" |[https://meet.kde.org/b/qtcs-main-room Main]
|-
|07:00/09:00
| colspan="5" |Welcome and Kick-off
|-
|07:30/09:30
| colspan="5" |Keynote from Lars Knoll
|-
|08:00/10:00
| colspan="5" |Unconference: topic pitching, agenda refinement
|-
|09:00/11:00
| colspan="5" |<div style="text-align: center;">''Break''<div>
|-
!
![https://meet.kde.org/b/qtcs-main-room Main]
![https://meet.kde.org/b/qtcs-room-1 Room 1]
![https://meet.kde.org/b/qtcs-room-2 Room 2]
![https://meet.kde.org/b/qtcs-room-3 Room 3]
![https://meet.kde.org/b/qtcs-room-4 Room 4]
|-
|10:00/12:00
| rowspan="6" |Hallway Track
|[[QtCS2021 - Qt Conan packages|Qt Conan packages]]
|[[QtCS2021 - Qt Multimedia|Qt Multimedia]]
|[[QtCS2021 - Wayland text-input-unstable-v4 protocol|Wayland text-input-unstable-v4 protocol]]
|
|-
|10:45/12:45
|[[QtCS2021 - Qt Property Bindings|Qt Property Bindings]]
|
|[[QtCS2021 - Wayland client BOF|Wayland client BOF]]
|
|-
|11:30/13:30
|
|
|
|[[QtCS2021 - Testing upstream changes with downstream modules|Testing upstream changes with downstream modules]]
|-
|-
!Topic!!Who proposed!!Description/Abstract!!Preferred timeslot (optional)
|12:15/14:15
|[[QtCS2021 - Wanna help handling oss-fuzz issues|Wanna help handling oss-fuzz issues?]]
|
|
|[[QtCS2021 - Git submodules|Git submodules]]
|-
|-
|Local testing on multiple platforms||Volker Hilsheimer (volker.hilsheimer@qt.io)||Our CI system Coin makes sure that changes are merged only once they build and pass test runs on all platforms we care about, but for developing cross platform code, nothing beats being able to build, run, and debug your local code before you push your changes to gerrit. In The Qt Company, an increasing number of developers are using [https://git.qt.io/vohilshe/minicoin/-/wikis/home minicoin], a vagrant-based system for managing and interacting with virtual machines. As its primary developer I'd like to see how we can make it useful for contributors as well!||any
|13:00/15:00
|
|
|[[QtCS2021 - Qt for Python|Qt for Python]] 🐍
|[[QtCS2021 - Moving to qt6.git|Moving to qt.git]]
|-
|-
|Should Qt have plugin-based I/O? (like KIO but better)||Shawn Rutledge (shawn.rutledge@qt.io)||QML and Qt Quick have some ad-hoc QNetworkRequest code for fetching qml files and image files from web servers, but it seems a bit short-sighted that this is not done on top of some abstraction for reading files from various kinds of sources.  (PDF files are rendered via Image, with this being one reason: to reuse that code rather that duplicating it.  QTextDocument should support network loading too: that way it will become possible to load QML Text from a URL, or in widget apps with QTextBrowser, etc.)  Http will not always be enough: the distributed web is an up-and-coming concept, and there have always been other protocols for fetching files and assets.  Maybe we want to allow loading remote assets in QtQuick3D too, etc.  Currently KIO is nicely extensible, but it's not built-in to Qt, and the architecture that requires a separate process for each operation is not ideal.  What should we do about it?  Another aspect of this is that we should probably have an I/O API in QML eventually; and it should probably follow good asynchronous design principles, and look familiar to Javascript developers.  Hopefully it could be built upon the same I/O layer.  Therefore we should design the new abstraction to be suitable for that.||overflow time should be available (end of the day then?)
|14:00/16:00
|[[QtCS2021 - Improve the contributor experience|Improve the contributor experience of the Qt project 🎉 (Take II)]]
|[[QtCS2021 - Plugin-based I/O|Should Qt have plugin-based I/O?]]
[[QtCS2021 - Plugin-based I/O|(like KIO but better)]]
|
|[[QtCS2021 - Local testing on multiple platforms|Local testing on multiple platforms]]
|-
|-
|Improve the contributor experience of the Qt project 🎉 (Take II)||[https://wiki.qt.io/User:CristianMaureiraFredes Cristián Maureira-Fredes] (cristian.maureira-fredes@qt.io)||[https://wiki.qt.io/Qt_Contributors_Summit_2019_-_Contributor_Experience Back in 2019] we had the discussion around the contribution experience, from which we gather many good ideas: some of them were never addressed, but others have been implemented, like for example the [https://qt-project.org Qt project website] and the [https://www.qt.io/open-positions/community-manager-1614870577?hsLang=en Community Manager position] that was open.                             
|15:00/17:00
This session will try to address many of the open topics we had from that session looking at "What we could do" to keep improving the experience in topics like:
|
|[[QtCS2021 - Qt Creator Feedback|Qt Creator Feedback]]
|
|[[QtCS2021 - Improve the contributor experience|Improve the contributor experience of the Qt project 🎉 (Take II)]] (continuation)
|
|}


*What we can learn from the KDE contribution experience
===Wednesday, 2021-06-23===
*First contribution and initial setup
{| class="wikitable"
*Gerrit improvements, plugins, etc
|+
*Creation of "good first issues" in JIRA
!Time UTC/CEST
*...and all the good ideas you probably have.
![https://meet.kde.org/b/qtcs-main-room Main]
||any
![https://meet.kde.org/b/qtcs-room-1 Room 1]
![https://meet.kde.org/b/qtcs-room-2 Room 2]
![https://meet.kde.org/b/qtcs-room-3 Room 3]
![https://meet.kde.org/b/qtcs-room-4 Room 4]
|-
|-
|Passing small objects by value||Volker Hilsheimer (volker.hilsheimer@qt.io)||Most of our existing APIs pass even small types (such as QPoint(F), QRect, QSize) by reference, in spite of [https://web.archive.org/web/20181027220240/https://www.macieira.org/blog/2012/02/the-value-of-passing-by-value/ Thiago's analysis] suggesting that those types should be passed by value to avoid memory access. Peppe has started to hand -1's out when reviewing code that introduces new code that passes those by reference. This goal of this session is to get us all on the same page, agree on what this means for our coding standards and tooling that supports that, and conclude whether it's worth and possible to do something about the existing code base.||any
|10:15/12:15
| rowspan="3" |Hallway Track
|
|
|
|[[QtCS2021 - How to Contribute to Qt Creator|Contributing to Qt Creator]]
|-
|-
|Wanna help handling oss-fuzz issues?||[https://wiki.qt.io/User:Robert_Loehning Robert Löhning] (robert.loehning@qt.io)||oss-fuzz is [https://wiki.qt.io/Qt_Contributors_Summit_2019_-Fuzzing_Qt fuzzing Qt] since the beginning of 2020. While a number of people contributed to this in various ways (Thank you!), I still seem to be the bottle-neck when it comes to forwarding oss-fuzz' reports to the Qt project as well as documenting affected and fixed versions of Qt. After a brief introduction to oss-fuzz in general, in this talk I'd like to demo what are the required steps. My hope is, that some people will be interested in joining me, so we could share the work, extend the coverage and thus make Qt more secure and reliable.
||any
|-
|-
|Wayland client BOF
|11:00/13:00
|Eskil Abrahamsen Blomfeldt (eskil.abrahamsen-blomfeldt@qt.io)
|[[QtCS2021 - Documentation test builds in the CI system|Documentation test builds in the CI system]]
|Synchronization on topics concerning the Wayland client plugin with Qt, KDE and others.
|[[QtCS2021 - Changes to Qt WebEngine API and development in Qt 6|Qt WebEngine in Qt 6]]
|any
|
|[[QtCS2021 - Qt Buildsystem Feedback|Qt Buildsystem Feedback]]
|-
|-
|Qt Buildsystem Feedback
|11:45/13:45
|Alexandru Croitor (alexandru.croitor@qt.io)
|
|Qt 6 switched to using CMake for building Qt. The session is meant to gather feedback / pain points about building Qt as well as using Qt in a user project (from a build system perspective). General questions about build system usage are also welcome.
|
|any
|
|[[QtCS2021 - CMake API for QML modules|CMake API for QML modules]]
|-
|-
|CMake API for QML modules
!
|Ulf Hermann
! colspan="5" |[https://meet.kde.org/b/qtcs-main-room Main]
(ulf.hermann@qt.io)
|Let's talk about how we're supposed to write QML modules in Qt 6.2+. It differs quite a bit from what you're used to.
|any
|-
|-
|Testing upstream changes with downstream modules
|12:30/14:30
|Mitch Curtis
| colspan="5" |Summaries from sessions - [https://qt-download-direct.s3.eu-west-1.amazonaws.com/downloads/other/QtCS2021Summary.ogg recording]
(mitch.curtis@qt.io)
|A discussion to find the best solution to the issue of changes in one module (upstream) not being tested with modules (downstream) that depend on that module.
|any
|-
|-
|Changes to Qt WebEngine API and development in Qt 6
|13:30/15:30
|Allan Sandfeld Jensen
| colspan="5" |[[QtCS2021 - Module roadmaps - updates from maintainers]]
(allan.jensen@qt.io)
|An update and discussion on changes in Qt WebEngine API in Qt 6, and where we are moving from here.
|any
|-
|-
|15:00/17:00
| colspan="5" |Closing
|}
|}


==More tentative proposals==
Input in Qt Quick 3D (aka Pointer Handlers on 3D Models and maybe Nodes; 3D coordinates in HandlerPoint; etc.)


===Tuesday, 2021-06-22===
Drag and Drop in Qt Quick: API improvement, maybe in DragHandler? (perhaps not worth a whole session, it's a small topic)
 
===Wednesday, 2021-06-23===

Latest revision as of 12:35, 14 October 2021

Back to Qt Contributors Summit 2021

All times are in Central European Summer Time (CEST/UTC+2)

Important: Please notice that the time where we will not collide with other BoFs from Akademy is between 12:00 - 16:00 UTC. In case you can move your session to a free slot on that time, please do so.

Pay attention that first column in the time tables shows the start times of a slot in different time zones and not the time span of a slot :-)

Tuesday, 2021-06-22

Time UTC/CEST Main
07:00/09:00 Welcome and Kick-off
07:30/09:30 Keynote from Lars Knoll
08:00/10:00 Unconference: topic pitching, agenda refinement
09:00/11:00
Break
Main Room 1 Room 2 Room 3 Room 4
10:00/12:00 Hallway Track Qt Conan packages Qt Multimedia Wayland text-input-unstable-v4 protocol
10:45/12:45 Qt Property Bindings Wayland client BOF
11:30/13:30 Testing upstream changes with downstream modules
12:15/14:15 Wanna help handling oss-fuzz issues? Git submodules
13:00/15:00 Qt for Python 🐍 Moving to qt.git
14:00/16:00 Improve the contributor experience of the Qt project 🎉 (Take II) Should Qt have plugin-based I/O?

(like KIO but better)

Local testing on multiple platforms
15:00/17:00 Qt Creator Feedback Improve the contributor experience of the Qt project 🎉 (Take II) (continuation)

Wednesday, 2021-06-23

Time UTC/CEST Main Room 1 Room 2 Room 3 Room 4
10:15/12:15 Hallway Track Contributing to Qt Creator
11:00/13:00 Documentation test builds in the CI system Qt WebEngine in Qt 6 Qt Buildsystem Feedback
11:45/13:45 CMake API for QML modules
Main
12:30/14:30 Summaries from sessions - recording
13:30/15:30 QtCS2021 - Module roadmaps - updates from maintainers
15:00/17:00 Closing

More tentative proposals

Input in Qt Quick 3D (aka Pointer Handlers on 3D Models and maybe Nodes; 3D coordinates in HandlerPoint; etc.)

Drag and Drop in Qt Quick: API improvement, maybe in DragHandler? (perhaps not worth a whole session, it's a small topic)

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