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The LibreOffice Paris HackFest 2019 will take place on the weekend of July 5th-6th, at le 137, 137 Boulevard Magenta Paris 10e.

About the location

The city of Paris

Source: Wikipedia

Paris (French pronunciation: ​[paʁi]) is the capital and most populous city of France, with an area of 105 square kilometres (41 square miles) and an official estimated population of 2,140,526 residents as of 1 January 2019.[1] Since the 17th century, Paris has been one of Europe's major centres of finance, commerce, fashion, science, and the arts.

Paris is especially known for its museums and architectural landmarks: the Louvre was the most visited art museum in the world in 2018, with 10.2 million visitors. The Musée d'Orsay and Musée de l'Orangerie are noted for their collections of French Impressionist art, and the Pompidou Centre Musée National d'Art Moderne has the largest collection of modern and contemporary art in Europe. The historical district along the Seine in the city centre is classified as a UNESCO Heritage Site. Popular landmarks in the centre of the city include the Cathedral of Notre Dame de Paris and the Gothic royal chapel of Sainte-Chapelle, both on the Île de la Cité; the Eiffel Tower, constructed for the Paris Universal Exposition of 1889; the Grand Palais and Petit Palais, built for the Paris Universal Exposition of 1900; the Arc de Triomphe on the Champs-Élysées, and the Basilica of Sacré-Coeur on the hill of Montmartre.

The venue - 137 powered by INNO³

With two large receptions room, the venue is able to host up to twenty persons


If there is a pet bug/feature you are interested to solve/create on the Hackfest add it here and we will try to find a mentor giving you guidance. Also if there is a general topic you want to cover/have a short talk about, add it here.

topic/bug/feature interested hacker(s) mentor/speaker
tdf#77744, tdf#100138 Improve trend line equation in chart Laurent BP
tdf#116156 Python // officehelper.py misbehaves since 5.3.7 Alain R fixed/Windows from 6.2+
tdf#123540 Publish <$Installation>/share/Basic/Tutorials hidden library into Basic IDE objects catalog Alain R Usefulness to be challenged before patch..
tdf#104654,and be more at ease with bitmap export for debug purpose with gdb (Linux), Tokens table pretty printing in starmath when debugging. Regis P
tdf#125443 Implement different border colors depending on the LibreOffice app launched on Windows William Gathoye
tdf#115512 Remove titlebar from UI in case of Gnome Arnaud Versini
tdf#48292 Cell background color does not follow content when sorted Arnaud Versini Pointers on Writer welcome
tdf#95520 Sort column by color (Extension?) William Gathoye
tdf#31205 Apply fill patterns to cell backgrounds William Gathoye Need LibreOffice + ODF format code pointers. Opportunity to discuss this feature.
General programming knowledge Jean-Francois Nifenecker Need LibreOffice + API programming code pointers. (my background is in PascalObject)

Accompanying Program

Friday: Meet and Greet

Meeting from 10.00 on at the venue

137 Boulevard Magenta
75010 Paris - France
GPS: 48.8815942, 2.3510597

Speaker topic
Alain Romedenne Python Scripts Help content
Alain Romedenne Developing Python macros in IDE's with IDE_utils module.


Getting started guides


Hackfest starting from 10.00 and community gathering with informal meeting of the French community.
The venue will be available until 02.00 AM.


Meeting at the venue at 10.00 sharing the hackfest results.
Hackfest officially ends at 20.00

City tour on Sunday afternoon

Depending on the social climate in Paris, we will be able to organize a city tour, otherwise we will try to find a quiet place with nice things to see :)

How to get there

Location at OpenStreetMap: https://www.openstreetmap.org/node/912270509#map=17/48.88116/2.35235

Street address:137 Boulevard de Magenta, 75010 Paris France

GPS: 48.8815942, 2.3510597

Public transport

  • from Charles de Gaulle airport:
    • RER B (Direction Robinson, Antony, St-Rémy-lès-Chevreuse)
    • stop at: Gare du Nord (25 mn)
  • from other places:
    • Metro line 2: Barbès-Rochechouart
    • Metro lines 4 and 5: Gare du Nord

Useful information


We would like to thank our following sponsors and supporters for making the Paris Hackfest possible:

  • Inno³ for generously hosting us!
  • The Document Foundation, for providing travel sponsoring


Suggested hotels not far from the venue or well connected with public transportation:

If you find cheapest solutions feel free to improve the list. ;)

Travel Bursaries

The Document Foundation may be able to refund tickets to and from the Paris Hackfest, after prior approval by the organizers, under the following conditions:

  • transportation and accommodation
  • volunteer-first - people affiliated with a company involved in LibreOffice work will come last
  • first-come-first-served - participants will get reimbursed in order of their sign-up on the wiki attendance list, until budget runs out.
  • ask the organizers as soon as possible (ideally right before booking) if budget is still available. Be aware of the fact that tax law requires us to collect original receipts, so please keep them.

Please be economic and pick cheap travel - that said, flights to Paris might still be available at a reasonable price.

For those who attended: If you'd like to request the travel support, please follow the HowTo at TDF/Policies/Refunding for the SPI refunding, and mail treasurer@documentfoundation.org with your documents.


Social channel

Feel free to join the Telegram group: https://t.me/LibreOfficeHackfest

...that is bridged with the IRC channel #libreoffice-hackfest IRC://


Please add your name and e-mail address to the below list in case you want to participate. We will use this list for planning, logistics and announcements.

Attendee Contact Arrival Departure Childcare required Accommodation support Special needs for meals Accessibility needs for the Hackfest Attending the city tour (if possible) on Sunday Accessibility needs for the city tour Notes
Sophie Gautier sophi@libreoffice.org
Regis Perdreau regis.perdreau@gmail.com 5-Jul 10:00 7-Jul morning
JF Nifenecker jean-francois.nifenecker@laposte.net 5-Jul 10:00 7-Jul morning no (hôtel du Pré booked) allergic to fish and sea food no
Laurent Balland laurent.balland-poirier@laposte.net 5-Jul 10:30 6-Jul evening
Alain Romedenne libreofficiant@sfr.fr 5-Jul 10:30 6-Jul 20:00
Arnaud Versini See user page
William Gathoye See user page


  • Laurent worked on tdf#56294. Still needs some polish for Undo/Redo.
  • Regis worked on tdf#124141. Create a document analyser for LibreOffice triage and QA.
  • Regis worked on tdf#104654. Will release a patch this week.

After Action Reports