Collabora’s Talks at the LibreOffice Conference 2023 in Bucharest

Upcoming talks by Collabora at the LibreOffice Conference 2023

The LibreOffice Conference 2023 will take place from September 20 to September 23 in Bucharest. We are glad to be able to sponsor this event and to contribute a significant number of talks on various aspects of LibreOffice technology. Here is a list of talks by our team to consider for your conference schedule. Please don’t forget to check back after the event. We will be sharing the links to the slides and videos of the conference talks as soon as they are available.

Browse talks by day

To make it easy to navigate through the timetable, we sorted the talks chronologically. Please find the complete schedule, including track topics and more filters, on the conference website!

Thursday, 21 September 2023 🌅 (morning sessions)

Michael Meeks: Sponsor Keynote

21 September 23  12:00 – 12:30 EEST (UTC+3)  1 Room 1

Michael Meeks, Managing Director of Collabora Productivity, has a look at the latest developments in LibreOffice Technology from the perspective of the ecosystem.

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Justin Luth: Using configuration extensions to automate preferred defaults

21 September 2023 15:30 – 16:00 EEST (UTC+3) Room 1

Justin Luth outlines the advantages and disadvantages, and showcases some simple examples and installation scrips on using configuration extensions to automate defaults.

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Attila Szűcs: Zip64 support in LibreOffice

21 September 2023  16:00 – 16:30 EEST (UTC+3)  Room 1

As technology advances, documents will become larger and larger, and the original zip standard will no longer suffice, so Zip64 extensions have to be used in LibreOffice, to increase the limitations of zip.

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Timur Gadžo: Tracking bugs in LibreOffice together …

21 September 2023  17:00 – 17:30 EEST (UTC+3)  Room 2

There are different paths that help provide quality assurance. Some are done by devs, some in TDF, some by ecosystem partners. Many paths lead to Gerrit. Here we are showing some examples of how Collabora and its partners are helping fix bugs in LibreOffice Technology.

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Justin Luth: Avoiding regressions by hunting in QA unit test

21 September 23  17:50 – 18:00 EEST (UTC+3)  Room 2

Fixing bugs can be quite a challenge. Based on a complicated example, Justin Luth speaks about some lessons learned, shows how to avoid regressions. See details  Save to calendar

 

 

Friday, 22 September 2023 🌅 (morning sessions)

Miklos Vajna: Multi-page floating tables in Writer

22 September 2023  09:00 – 09:30 EEST (UTC+3)  Room 1

LibreOffice was capable of handling multi-page tables and floating tables in Writer already. But it was not possible to combine these two features to have a multi-page floating table, which is a frequently used feature in Word documents. Hear Miklos Vajna explain the challenges on implementing this functionality.

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Caolán McNamara: Crashtesting, Fuzzing: 2023 report

22 September 2023  09:30 – 10:00 EEST (UTC+3)  Room 1

We process 812,729 documents in crashtesting, which takes 4 days per cycle. A report on the current crashtesting and fuzzing status.

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Mike Kaganski: LanguageTool integration improvements and some other fixes

22 September 2023  10:30 – 11:00 EEST (UTC+3)  Room 1

In this talk, Mike Kaganski will describe some improvements & fixes he made to LibreOffice over the last year, including some recent changes to the native LanguageTool integration.

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Tomaž “Quikee” Vajngerl: Document Themes

22 September 23  12:00 – 12:30 EEST (UTC+3)  Room 2

The document themes are a way to quickly, easily and consistently change the design of a document. Hear Tomaž “Quikee” Vajngerl talk on the possibility to add, change and preserve the themes of a document for Writer and Calc that is now available in LibreOffice 7.6.

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Friday, 22 September 2023 🌇 (afternoon session)

Jaume Pujantell Traserra : PDF handling in LibreOffice

22 September 2023  15:30 – 16:00 EEST (UTC+3)  Room 2

LibreOffice needs to handle PDFs in various contexts: from inserting them inside a document, to converting them to ODG format or showing them with the experimental PDFium API. Hears Jaume Trassera’s talk on the strengths and pitfalls in different situations.

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Szymon Kłos: Improvements in JSDialogs – LibreOfficeKit API for UI components

22 September 2023  17:20 – 17:30 EEST (UTC+3)  Room 1

JSDialogs is the framework for sharing UI components between LibreOffice and Collabora Online. Szymon Kłos explains their functionality and shows many of the optimizations and improvements it recently gained.

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Henry Castro: Importing Excel conditional format

22 September 2023  17:30 – 17:35 EEST (UTC+3)  Room 1

Hear Henry Castro’s conditional format update on new properties and issues found (reading code) to import Excel conditional formats.

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Justin Luth: Forms: keyboard navigation and VBA macro control

22 September 2023  17:40 – 17:45 EEST (UTC+3)  Room 1

In this presentation, Justin Luth outlines the three different types of form controls available in LibreOffice and talks about newly gained keyboard navigation and VBA macro access to form controls.

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Paris Oplopoios: Per-view rendering improvements

22 September 2023  17:45 – 17:50 EEST (UTC+3)  Room 1

Learn about the improvements made on view separation based on different view options in scenarios where there can be multiple users with different view options.

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Gökay Şatir: View-based accelerator configuration manager

22 September 2023  17:50 – 17:55 EEST (UTC+3)  Room 1

Hear Gökay Şatir‘s talk on the recently added support for language-specific shortcuts. When a document is being edited by multiple users, they can all use their languages’ shortcuts.

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Saturday, 23 September 2023 (morning sessions) 🌅

Mike Dworski: The 3 layers of typo Correction: AutoCorrect, spellchecking, and grammar checking

23 September 2023  09:30 – 10:00 EEST (UTC+3)  Room 1

Were you ever frustrated by ducking AutoCorrect? Seeing red squiggles under misspelled words? Accidentally putting the wrong words inside your sentences? Learn how each layer tackles different types of errors, plus how to refine the dictionaries and tools that are already there!

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Michael Meeks: An economic perspective on FLOSS & LibreOffice technology

23 September 2023  11:00 – 11:30 EEST (UTC+3)  1 Room 1

Hear Michael Meeks‘ talk and join the discussion around FLOSS business models as they related to LibreOffice technology, the ecosystem, and funding the future & success of LibreOffice.

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Find out more about Collabora Office & Collabora Online


Collabora Productivity created Collabora Online, a powerful online office suite, which you can integrate into your own infrastructure. It prioritises your digital sovereignty and provides you with all the tools to keep your data secure, without compromising on features. Collabora provides a wide range of products, as well as consulting services for enterprises and governments. Powered by the largest team of certified LibreOffice engineers in the world, Collabora is a leading contributor to the LibreOffice technology community. Collabora Office for Desktop and Collabora Online provide a business-hardened office suite with long-term support. Collabora’s multi-platform policy is completed with Collabora Office for iOS, Android, and Chrome OS. Collabora Productivity is a division of Collabora, the global software consultancy dedicated to providing the benefits of Open Source to the commercial world, specializing in mobile, automotive and consumer electronics industries. For more information, follow us on Twitter, Mastodon, LinkedIn and YouTube.

Collabora’s Contributions to the LibreOffice Conference 2022 in Milan

The Talks and Slides by Collaboran’s at the LibreOffice Conference 2022

The LibreOffice Conference 2022 (LibOCon) took place from September 28 to October 1 in Milan. It was the first LibreOffice Conference since the outbreak of the COVID-19 Pandemic that took place as an in-person event. Collabora was one of the sponsors, and a significant number of our developers contributed talks on various aspects of LibreOffice technology. Did you miss any of those? Don’t worry! All our talks are available for you on YouTube inside our LibOCon playlist. Please also feel free to download the slides we included in this blog post.

Keynotes and Advocating

Michael Meeks: Sponsor Keynote Collabora

Michael Meeks, Managing Director of Collabora Productivity, takes a look at the latest developments in LibreOffice from an organisational and ecosystem perspective. See details

Watch the talk
Download the slides

Michael Meeks: The ongoing story of Online

Hear Michael Meeks tell the history of LibreOffice in the browser. From it’s pre-historic past as StarPortal, through gtk-broadway prototypes, to Collabora Online as we know it today. See details

Watch the talk
Download the slides

Technical Talks

Sarper Akdemir: Chasing an Interoperability Bug in Impress

During the Quality Assurance track, Sarper Akdemir explained how to fix an interoperability bug by showcasing the whole process of understanding, fixing, and implementing tests. See details

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Download the slides

Tomaž Vajngerl: Sparklines and Chart Data Tables – New Features in Calc

Sparklines are mini charts, that are drawn into a cell. In his talk, senior software engineer Tomaž Vajngerl presented the features and the challenges during the development. See details

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Download the slides

Miklos Vajna : Content Controls in Writer

While LibreOffice and Collabora Office were already capable of filling forms via form controls or form fields, they can now also fully represent content controls. In this talk by Senior Software Engineer Miklos Vajna, see how this work was implemented! See details

Watch the talk
Download the slides

Follow Collabora


Collabora Productivity created Collabora Online, a powerful online office suite, which you can integrate into your own infrastructure. It prioritises your digital sovereignty and provides you with all the tools to keep your data secure, without compromising on features. Collabora provides a wide range of products, as well as consulting services for enterprises and governments. Powered by the largest team of certified LibreOffice engineers in the world, Collabora is a leading contributor to the LibreOffice technology and community. Collabora Office for Desktop and Collabora Online provide a business-hardened office suite with long-term support. Collabora’s multi-platform policy is completed with Collabora Office for iOS, Android, and Chrome OS. Collabora Productivity is a division of Collabora, the global software consultancy dedicated to providing the benefits Open Source to the commercial world, specializing in mobile, automotive and consumer electronics industries. For more information, follow us  on Twitter, LinkedIn and YouTube.

 

 

Collabora presenting the 2021 LibreOffice & Online growth infographic

In the aftermath of this year’s LibreOffice conference, we are glad to provide you with the latest update of our LibreOffice growth infoGraphic, including beautiful visuals and interesting numbers! We do hope you appreciate it and would love to hear your feedback. And of course, it is great if you find the format, in which it is presented, convenient to share.

Despite the challenges posed by the global pandemic in general, the statistics around LibreOffice collaboration are impressive. Although the total number of contributions to the LibreOffice core has slightly dropped compared to the year before, our developers remain top code contributors to LibreOffice with 4188 code commits (32.3%). The popular Collabora Online Development Edition (CODE), for home use & small teams, saw over 70 million Docker image pulls! We are glad to acknowledge, that the move of Collabora Online to GitHub has resulted in an increased number of contributions from the community. We are truly grateful to the growing number of partners, customers and volunteers for making this work possible.

The number of worldwide Collabora Online partners has raised to 230, the Collabora Office app for Android, iOS and Chrome OS saw 500,000 installations and the last year’s joint online conference by LibreOffice and SUSE did welcome over 130 participants from all over the world.

Would you like to see some previous versions of the info graph? Please find them here: 2020, 2019, 2018, 2017 & 2016.

So, without further ado, please have a look at the updated LibreOffice growth infoGraphic on 2021 here:

 

Try Collabora Office and Collabora Online!

Talks and Slides by Collabora at the LibreOffice Conference 2021

Watch the talks and download the slides of Collabora’s contributions to LibOCon 2021

The LibreOffice Conference 2021 (LibOCon) was held from September 23rd to 25th as an online event. Developers from Collabora have contributed a significant number of talks on various aspects of LibreOffice technology, like interoperability or performance improvements, and regarding Collabora Online and the ecosystem. Did you miss any of those? Don’t worry! The talks are available for you on YouTube. We also encourage you to download the slides of the presentations available in this overview.

Day 1: Thursday, September 23rd, 2021

Michael Meeks: Collabora Keynote

Michael Meeks, Managing Director of Collabora Productivity and member of the LibreOffice Board, looks at the latest developments around LibreOffice from an organizational and ecosystem perspective. See details

Watch the talk
Download the slides!

Noel Grandin: I feel the need… The need for speed…

Optimization is a lengthy process. But also an adventure that requires a bit of detective instinct and plenty of exploratory talent. Discover which adjustments are being made to make LibreOffice even faster and better performing. See details

Watch the talk
Download the slides!

Marco Cecchetti: Some improvements for the SVG export filter

Marco Cecchetti reports on progress around the use of SVG in presentations and the improvements in performance and storage requirements on export. See details

Watch the talk
Download the slides!

Tomaž Vajngerl: Improved document searching with LibreOffice

Collabora developer Miklos Vajna introduces the latest enhancements to LibreOffice and Collabora Online search that visualize hits across different documents. See details

Watch the talk
Download the slides!

Mike Kaganski: Multi-column support in LibreOffice 7.2

The new feature, its relevance, obstacles and implementation status. Mike Kaganski shares his experience, how interesting was it to work on this. See details

Watch the talk
Download the slides!

Day 2: Friday, September 24th, 2021

Cor Nouws: A year of COOL …

Find out about the improvements that LibreOffice technology in the browser experienced. Hear about success stories and new features in Collabora Online! See details

Watch the talk
Download the slides!

Michael Meeks COOL performance

Recently, we have been focusing our Collobora Online development on improving the feel and slickness of document editing. Come and hear about the things that we’ve found and fixed, both in COOL and also in the LibreOffice core to improve the experience! See details

Watch the talk!
Download the slides!

Sarper Akdemir: PPTX footer export & import interoperability

Sarper Akdemir outlines the challenges around the export & import of Footers in PPTX and how they have been mastered. See details

Watch the talk
Download the slides!

Miklos Vajna: Gutter margin in Writer page styles

LibreOffice was already capable of handling various margins in Writer page styles. A missing piece was the support for the gutter margins. Find out, how this was implemented! See details

Watch the talk
Download the slides!

Tomaž Vajngerl: Built-in “Xray” like UNO object inspector

When developing macros and extensions in LibreOffice, it is very useful to have an object inspector. The Document Foundation put up a tender to create a built-in Xray-like UNO object inspector. It was awarded to Collabora, and we are now in the process of implementing it. See details

Watch the talk
Download the slides!

Tomaž Vajngerl: PDF and other graphic improvements

The LibreOffice technology in Draw is key to PDF annotations, and the support of a recently added review-based workflow. Find out, how this has been implemented! See details

Watch the talk
Download the slides!

Day 3: Saturday, September 25th, 2021

Szymon Kłos: JSDialogs improvements over the past year

JSDialogs is a LibreOffice component used to share UI elements with Collabora Online. Hear about the most recent updates added. See details

Watch the talk
Download the slides!

Follow us for more insights on LibreOffice technology


Collabora Productivity created Collabora Online and is the driving force behind putting LibreOffice in the Cloud. Collabora provides a wide range of products, as well as consulting services for enterprises and governments. Powered by the largest team of certified LibreOffice engineers in the world, Collabora is a leading contributor to the LibreOffice Technology codebase and community. Collabora Office for Desktop and Collabora Online provide a business-hardened office suite with long-term support. Collabora’s multi-platform policy is completed with Collabora Office for iOS, Android, and Chrome OS. Collabora Productivity is a division of Collabora, the global software consultancy dedicated to providing the benefits Open Source to the commercial world, specializing in mobile, automotive and consumer electronics industries. For more information, follow us  on Twitter, LinkedIn and YouTube.

 

 

Collaboran talks at the LibreOffice Conference 2021

An online conference all about LibreOffice technology

Hosted by The Document Foundation, the LibreOffice Conference 2021 (LibOCon) will be an online event. The live-streaming of the talks and workshops will be taking place from September 23rd to September 25th. Collabora developers will give interesting talks on LibreOffice technology, Collabora Online and the ecosystem on all three days, providing profound insights around the latest features and developments. This article gives you an overview of our presentations. Meet us at LibOCon 2021 and just one week later at our COOLdays!

Day 1: Thursday, September 23rd 2021

Michael Meeks

 13:00 – 13:30 – Room 1

Collabora Keynote

Michael Meeks, Managing Director of Collabora Productivity and member of the LibreOffice Board, looks at the latest developments around LibreOffice from an organizational and ecosystem perspective.

See details  Save to calendar

Noel Grandin

 15:00 – 15:30 – Room 1

I feel the need… The need for speed…

Optimization is a lengthy process. But also an adventure that requires a bit of detective instinct and plenty of exploratory talent. Discover which adjustments are being made to make LibreOffice even faster and better performing.

See details  Save to calendar

Marco Cecchetti

 16:00 – 16:20 – Room 1

Some improvements for the SVG export filter

Marco Cecchetti reports on progress around the use of SVG in presentations and the improvements in performance and storage requirements on export.

See details  Save to calendar

Tomaž Vajngerl

 16:30 – 17:00 – Room 1

Improved document searching with LibreOffice

Collabora developer Miklos Vajna introduces the latest enhancements to LibreOffice and Collabora Online search that visualize hits across different documents.

See details  Save to calendar

Mike Kaganski

 17:00 – 17:30 – Room 1

Multi-column support in LibreOffice 7.2

The new feature, its relevance, obstacles and implementation status. Mike Kaganski shares his experience, how interesting was it to work on this.

See details  Save to calendar


Day 2: Friday, September 24th 2021

Cor Nouws

 12:00 – 12:30 – Room 1

A year of COOL …

Find out about the improvements that LibreOffice technology in the browser experienced. Hear about success stories and new features in Collabora Online!

See details  Save to calendar

Michael Meeks

 12:30 – 13:00 – Room 1

COOL performance

Recently, we have been focusing our Collobora Online development on improving the feel and slickness of document editing. Come and hear about the things that we’ve found and fixed, both in COOL and also in the LibreOffice core to improve the experience!

See details  Save to calendar

Sarper Akdemir

 13:00 – 13:05 – Room 2

PPTX footer export & import interoperability

Sarper Akdemir outlines the challenges around the export & import of Footers in PPTX and how they have been mastered.

See details  Save to calendar

Miklos Vajna

 13:30 – 13:50 – Room 1

Gutter margin in Writer page styles

LibreOffice was already capable of handling various margins in Writer page styles. A missing piece was the support for the gutter margins. Find out, how this was implemented!

See details  Save to calendar

Tomaž Vajngerl

 14:00 – 14:30 – Room 1

Built-in “Xray” like UNO object inspector

When developing macros and extensions in LibreOffice, it is very useful to have an object inspector. The Document Foundation put up a tender to create a built-in Xray-like UNO object inspector. It was awarded to Collabora, and we are now in the process of implementing it. Hear about the progress!

See details  Save to calendar

Tomaž Vajngerl

 15:30 – 16:00 – Room 1

PDF annotations support

The LibreOffice technology in Draw is key to PDF annotations, and the support of a recently added review-based workflow. Find out, how this has been implemented!

See details  Save to calendar


Day 3: Saturday, September 25th 2021

Szymon Kłos

 13:00 – 13:15 – Room 1

JSDialogs improvements over the past year

JSDialogs is a LibreOffice component used to share UI elements with Collabora Online. Hear about the most recent updates added.

See details  Save to calendar

More interesting talks on LibreOffice technology at the COOLdays


We’re excited to announce the COOL Days 2021 – just one week after the LibOCon. The online conference will take place on September 30th and October 1st and feature a vast range of topics around Collabora Online’s technological and commercial development. The 30th of September – Development Day – is focused on developers to share their experiences. The 1st of October – Business Day – concentrates on commercial topics. Discover the COOL Days program.