## Road to QGIS 4 ### With a Qalendar 🎄 December 2025 _Guilhem Allaman_ --- ## ⚠️ Disclaimer : casual and relax lightning-talk ! --- ## 🎄 In december : calendars Let's celebrate ! <!-- markdownlint-disable MD033 --> <iframe width="640" height="360" src="https://www.youtube-nocookie.com/embed/3GwjfUFyY6M?si=Tylt1K8WG1oOpx89" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe> <!-- markdownlint-enable MD033 --> --- ## Geotribu ™️ - not an association neither a structure - technically a domain name & a GitHub organization - basically a spontaneous grouping of geoenthusiasts ### Core values - blogging and watching FOSS4G, in [fr](https://geotribu.fr/) and [en](https://blog.geotribu.net/) - sharing what we know - have some fun, sometimes trolling 😏 Contribution on [GitHub](https://github.com/geotribu) & Matrix ([fr](https://matrix.to/#/#geotribu-agora:matrix.org) + [en](https://matrix.to/#/#geotribu-agora-en:matrix.org)) open and welcome ! --- ### 📆 Day 1 Let's set the rules and set the scene !  --- ### 📆 Day 2 ⛵ Set sail for Brest, where the next QGIS-fr Users Meeting will take place - end of March 2026. <img src="https://cdn.geotribu.fr/img/articles-blog-rdp/articles/2025/retrospective_qalendrier_2025/2_qgitsu_brest_qgisfr2026.webp" alt="Affiche des Journées Portes Ouvertes de la Fédération Francophone de QGITSU" style="height:36rem;vertical-align:middle;"> 🥷 Time to gauge your qumi-qata? 🥷 Time to show off your new Qimono? 🥷 Time to meet other Q-Gitsu / PostGiTsu belts? --- ### 📆 Day 3 QGIS 4 [is coming soon](https://blog.qgis.org/2025/10/07/update-on-qgis-4-0-release-schedule-and-ltr-plans/), so anticipate ! For instance, check the compatibility of your plugins with this new major version !  --- ### 📆 Day 4 Don't miss this BlaqFriday good deal : flash sales on the new multifunction Barbe-Q !  --- ### 📆 Day 5 When we ran `Qt6` / `QGIS4` compatibity tools for the 1st time, on our [QTribu](https://plugins.qgis.org/plugins/qtribu/) plugin...  --- ### 📆 Day 6 🤓 !  --- ### 📆 Day 7 Quick Math...  --- ### 📆 Day 8 Did you say "[GDAL](https://gdal.org/en/stable/software_using_gdal.html)" ?  --- ### 📆 Day 9 KuhGIS 4 🐮 !  --- ### 📆 Day 10 > LTR or not LTR, that is the question. _William Shakesfile_  --- ### 📆 Day 11 Exorcise your demons by running the [_pyqgis4-checker_ tool](https://github.com/qgis/pyqgis4-checker) on your plugins!  --- ### 📆 Day 12 "Summer GIS Hits" playlist, for the disqomaniacs out there...  --- ### 📆 Day 13 🎶 _Y'a de la data, y'a de la data, ohé ohé !_  RIP Guy Bevert, drummer of the band _[La Compagnie Créole](https://en.wikipedia.org/wiki/La_Compagnie_Cr%C3%A9ole)_ <3 --- ### 📆 Day 14 Because a Calendar without any cat does not make any sense... 🐱  --- ### 📆 Day 15 Let's talk _Extract - Transform - Load_ with [this famous french RnB song](https://youtu.be/B91hqHI6gsg?si=_pefTdo62OcPkiN4) by _Q-Maro_ : 🎶 _Donne-moi ton core bébé, j'veux un FME like U_ !  --- ### 📆 Day 16 Has your windscreen suffered an impact smaller than a €2 coin ? Has your qar been battered by the road ? Are you fed up with this commercial that bombards your brain ? <img src="https://cdn.geotribu.fr/img/articles-blog-rdp/articles/2025/retrospective_qalendrier_2025/16_qargrass_repare_qargrass_remplace.webp" alt="Qalendrier jour 13 - À REMPLACER" style="height:36rem;vertical-align:middle;"> Let's go to your nearest OSGeo Garage, QGIS and GRASS will solve it ! --- ### 📆 Day 17 Let's celebrate QGIS's graphic modeler, and the ability to deep dive into the GIS Ocean !  --- ### 📆 Day 18 "Supreme [MNT](https://fr.wikipedia.org/wiki/Mod%C3%A8le_num%C3%A9rique_de_terrain)" (DEM) is a pun with ["Suprême NTM"](https://en.wikipedia.org/wiki/Supr%C3%AAme_NTM), and their famous 90's hiphop song : 🎶 _Laisse pas traîner ton GIS, si tu veux pas qu'il glisse_ !  --- ### 📆 Day 19 Roq'n'roll playlist with [panoramax](https://panoramax.fr/), shout out to Gissy Riders and mobile mappers out there !  --- ### 📆 Day 20 Arithmetic sequence 🤔 ?  $$ \forall n \ge 2\; QGIS(n) = Qt(n+2) ? $$ --- ### 📆 Day 21 Shout out to [the QGIS plugin templater](https://oslandia.gitlab.io/qgis/template-qgis-plugin/), which now has a [QGIS plugin](https://plugins.qgis.org/plugins/qgis_plugin_templater_gui/) !  --- ### 📆 Day 22 Marseille - Paris connections...  [_Lambert 93_](https://spatialreference.org/ref/epsg/2154/) is the widely used CRS in France, 93 is also the number of a department in the parisian suburbs where a lot of rappers grew up, and "80 zetrei" is 93 in [_verlan_](https://en.wikipedia.org/wiki/Verlan), upside down french slang. --- ### 📆 Day 23 Shout out to the [Sugar QField Gang](https://en.wikipedia.org/wiki/The_Sugarhill_Gang), and the famous track from 1979 🪩  --- ### 📆 Day 24 A long time ago in a geogalaxy far, far away... Young padawan, join the QGIS side of the Force !  --- And now... The bonus ones that were not published during the calendar ! --- Mmmmh those nice words that you can say from now on to your colleagues...  --- One for GIS decision makers keen on vehicles tuning and qustomization 😏🚚  --- Unlike QGIS and free / opensource software, this one is "for free"... Just for the template that is quite nice :)  --- Rest In Peace Plugin Builder, thank you for your service !  --- C.F. Indiana Jones - Raiders of the _Artefact build for Windows_  --- Thank you ! Wish you a Mappy New Year !