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+<!-- report.md is exported report.org, please modify that instead. -->
+[[!sidebar content=""]]
+
+This file is automatically exported from [/2025/report.org](/2025/report.org). You might prefer to navigate this as an Org file instead. To do so, [clone the wiki repository](https://emacsconf.org/edit/).
+[[!meta title="EmacsConf 2025 Report"]]
+[[!date "2026-01-02"]]
+[[!meta copyright="Copyright &copy; 2025 Sacha Chua"]]
+
+
+# Table of Contents
+
+-   [Overview](#overview)
+-   [Technical details](#technical-details)
+-   [Process improvements](#orgd32e8e9)
+-   [Finances](#org4033e3c)
+-   [Acknowledgements](#orgfe5d129)
+-   [Updates](#updates)
+
+
+<a id="overview"></a>
+
+# Overview
+
+EmacsConf 2025 was held on December 6 and 7 as an online conference. We had 25 talks across two tracks on Saturday and one track on Sunday, with a total of 11.3 hours of presentations (including 5 live talks), 5.2 hours of Q&A via web conference, and lots of lively discussions across IRC and Etherpad. There were around a hundred viewers each on the General track and the Development.
+
+We posted videos and transcripts on talk pages shortly after they started streaming, and the recordings of live talks and Q&A sessions are now also available. We've also archived questions and commetns from IRC and Etherpad onto the talk pages. You can find the talk pages at <https://emacsconf.org/2025/talks> . The videos are also available on [media.emacsconf.org](https://media.emacsconf.org/2025), [YouTube](https://www.youtube.com/@emacsconf), and [Toobnix](https://toobnix.org/c/emacsconf/videos).
+
+Overall, people said:
+
+-   Awesome conference as always
+-   It was very fun participating
+-   This is one of the most organized conferences I have attended and it is like that every year
+-   Excellent weekend. It went by so fast 😊
+-   thanks all for this nice Emacs weekend
+
+You can find the talk pages and videos at <https://emacsconf.org/2025/talks>.
+
+
+<a id="technical-details"></a>
+
+# Technical details
+
+EmacsConf is committed to software freedom. We used the following tools
+for this year's conference:
+
+-   [Org Mode](https://orgmode.org/), [Emacs](https://www.gnu.org/software/emacs/): organization and collaboration
+-   [MPV](https://mpv.io): video player
+-   [BigBlueButton](https://bigbluebutton.org/): web conference
+-   [OBS Studio](https://obsproject.com/): streaming
+-   [TigerVNC](https://tigervnc.org/): controlling the remote server
+-   [Icecast](https://icecast.org/): streaming WEBM
+-   [Internet Relay Chat via Libera.chat](https://libera.chat/), [The Lounge](https://thelounge.chat/), and [ERC](https://www.gnu.org/software/emacs/erc.html): conversation
+-   [Mumble](https://www.mumble.info/): audio conferencing for coordination
+-   [Etherpad](https://etherpad.org/): questions and notes
+-   [Ikiwiki](https://ikiwiki.info/): website
+-   [PsiTransfer](https://github.com/psi-4ward/psitransfer): uploads
+-   [FFmpeg](https://ffmpeg.org): video and audio processing
+-   [Audacity](https://www.audacityteam.org/): audio editing
+-   [WhisperX](https://github.com/m-bain/whisperX): captioning
+-   [Aeneas](https://www.readbeyond.it/aeneas/): forced alignment to get timestamps
+-   [subed-mode](https://codeberg.org/sachac/subed): captioning
+-   [Git](https://git-scm.com/): version control
+-   [Mailman](https://list.org/): mailing lists; service provided by the Free Software Foundation
+-   [Nginx](https://www.nginx.com/): web server; server provided by the Free Software Foundation
+-   [Ansible](https://www.ansible.com/): system configuration
+
+You can find out more about our infrastructure at
+<https://emacsconf.org/infra> .
+
+
+<a id="orgd32e8e9"></a>
+
+# Process improvements
+
+This year, we tried out the following experiments:
+
+-   We used our own BigBlueButton 3.0 server to host Emacs meetups throughout the year in addition to EmacsConf.
+-   We upgraded Etherpad to version 2.5 for security fixes.
+-   We added [sub-seg](https://gitlab.com/jun8git/sub-seg) and various [subed](https://github.com/sachac/subed) improvements to our captioning workflow.
+-   We resumed restreaming to Toobnix in addition to YouTube and Icecast.
+-   We adapted to host availability by asking speakers to read their own questions as needed.
+-   We modified our [mpv.conf](https://emacsconf.org/mpv/) to display the time remaining in the lower right-hand corner. This helped with time-keeping.
+-   We wrote more code to simplify updating YouTube, Toobnix, and other places.
+    
+    For in-depth notes, see [behind the scenes](https://sachachua.com/blog/2026/01/emacsconf-2025-notes/).
+
+
+<a id="org4033e3c"></a>
+
+# Finances
+
+Costs (USD), including tax where applicable:
+
+<table>
+
+
+<colgroup>
+<col  class="org-left">
+
+<col  class="org-right">
+
+<col  class="org-right">
+
+<col  class="org-right">
+
+<col  class="org-right">
+
+<col  class="org-right">
+
+<col  class="org-right">
+
+<col  class="org-right">
+
+<col  class="org-right">
+
+<col  class="org-right">
+
+<col  class="org-right">
+
+<col  class="org-right">
+
+<col  class="org-right">
+
+<col  class="org-right">
+</colgroup>
+<thead>
+<tr>
+<th scope="col" class="org-left">Node</th>
+<th scope="col" class="org-right">Jan</th>
+<th scope="col" class="org-right">Feb</th>
+<th scope="col" class="org-right">Mar</th>
+<th scope="col" class="org-right">Apr</th>
+<th scope="col" class="org-right">May</th>
+<th scope="col" class="org-right">Jun</th>
+<th scope="col" class="org-right">Jul</th>
+<th scope="col" class="org-right">Aug</th>
+<th scope="col" class="org-right">Sep</th>
+<th scope="col" class="org-right">Oct</th>
+<th scope="col" class="org-right">Nov</th>
+<th scope="col" class="org-right">Dec</th>
+<th scope="col" class="org-right">Total</th>
+</tr>
+</thead>
+<tbody>
+<tr>
+<td class="org-left">meet</td>
+<td class="org-right">2.17</td>
+<td class="org-right">7.55</td>
+<td class="org-right">6.78</td>
+<td class="org-right">6.74</td>
+<td class="org-right">7.13</td>
+<td class="org-right">6.95</td>
+<td class="org-right">7.19</td>
+<td class="org-right">7.27</td>
+<td class="org-right">6.75</td>
+<td class="org-right">7.19</td>
+<td class="org-right">7.56</td>
+<td class="org-right">14.02</td>
+<td class="org-right">87.30</td>
+</tr>
+
+<tr>
+<td class="org-left">front0</td>
+<td class="org-right">5.00</td>
+<td class="org-right">5.00</td>
+<td class="org-right">5.00</td>
+<td class="org-right">5.00</td>
+<td class="org-right">5.00</td>
+<td class="org-right">5.00</td>
+<td class="org-right">5.00</td>
+<td class="org-right">5.00</td>
+<td class="org-right">5.00</td>
+<td class="org-right">5.00</td>
+<td class="org-right">5.00</td>
+<td class="org-right">18.79</td>
+<td class="org-right">73.79</td>
+</tr>
+
+<tr>
+<td class="org-left">live0</td>
+<td class="org-right">5.00</td>
+<td class="org-right">5.00</td>
+<td class="org-right">5.00</td>
+<td class="org-right">5.00</td>
+<td class="org-right">5.00</td>
+<td class="org-right">5.00</td>
+<td class="org-right">5.00</td>
+<td class="org-right">5.00</td>
+<td class="org-right">5.00</td>
+<td class="org-right">5.00</td>
+<td class="org-right">5.00</td>
+<td class="org-right">32.89</td>
+<td class="org-right">87.89</td>
+</tr>
+</tbody>
+</table>
+
+:end:
+
+Grand total for 2025: USD 248.98, covered by people's donations through [the Free Software Foundation's Working Together program](https://my.fsf.org/civicrm/contribute/transact?reset=1&id=70).
+
+
+<a id="orgfe5d129"></a>
+
+# Acknowledgements
+
+We would like to thank the following:
+
+-   Thank you to all the speakers, volunteers, and participants, and
+    to all those other people in our lives who make it possible
+    through time and support.
+-   Thanks to other volunteers: 
+    -   Corwin and Amin for helping with the organization
+    -   JC Helary, Triko, and James Endres Howell for help reviewing
+        CFPs
+    -   Amitav Krishna, Rodion Goritskov, jay\_bird, and indra for
+        captions
+    -   yang3 for the EU mirror we're setting up
+    -   Bhavin Gandhi, Michael Kokosenski, Iain Young, Jamie Cullen,
+        Ihor Radchenko (yantar92), FlowyCoder for other help
+-   Thanks to the Free Software Foundation for the mailing lists,
+    the media server, and of course, GNU Emacs.
+-   Thanks to Ry P for the server that we're using for OBS
+    streaming and processing videos.
+-   Thanks to the many users and contributers and project teams that
+    create all the awesome free software we use, especially:
+    -   [Emacs](https://www.gnu.org/software/emacs/), [Org Mode](https://orgmode.org/), [ERC](https://www.gnu.org/software/emacs/erc.html), [TRAMP](https://www.gnu.org/software/tramp/), [Magit](https://magit.vc/), [BigBlueButton](https://bigbluebutton.org), [Etherpad](https://etherpad.org/),
+        [Ikiwiki](https://ikiwiki.info/), [Icecast](http://icecast.org/), [OBS](https://obsproject.com/), [TheLounge](https://github.com/thelounge/thelounge), [libera.chat](https://libera.chat/), [ffmpeg](https://www.ffmpeg.org/),
+        [OpenAI Whisper](https://github.com/openai/whisper), [WhisperX](https://github.com/m-bain/whisperX), the [aeneas](https://github.com/readbeyond/aeneas) forced alignment tool,
+        [PsiTransfer](https://github.com/psi-4ward/psitransfer), [subed](https://github.com/sachac/subed), [sub-seg](https://gitlab.com/jun8git/sub-seg), [Mozilla Firefox](https://www.firefox.com/), [mpv](https://mpv.io/),
+        [Tampermonkey](https://www.tampermonkey.net/)
+    -   And many, many other tools and services we used to prepare
+        and host this years conference
+-   Thanks to [shoshin](https://cicadas.surf/~shoshin/) for the music.
+-   Thanks to people who donated via the [FSF Working Together program](https://my.fsf.org/civicrm/contribute/transact?reset=1&id=70) (Scott Ranby, Jonathan Mitchell, and 8 other anonymous donors), the costs are covered for this year.
+
+
+<a id="updates"></a>
+
+# Updates
+
+If you would like to get updates and announcements, you can sign up at
+<https://lists.gnu.org/mailman/listinfo/emacsconf-discuss> .
+
+Please keep an eye out for interesting things that
+might be fun to present at next year's EmacsConf.
+We'd love to get talks at all levels of experience
+and about lots of different kinds of interests.
+Previous speakers wrote:
+
+-   "I always got the feeling of being heard and
+    welcome in spite of the vast distances and
+    cultures separating us. This community always
+    feels like it is open to new members any time.
+    With regards to the conference process also, it
+    was a microcosm of the bigger community and
+    hence I got the same feeling. You didn't have to
+    be an expert or a person who's been using emacs
+    for a long time to talk about something useful
+    for the community. Even the struggles of a noob
+    may be useful for someone else in the
+    community."
+-   "I can honestly say though that I had a great
+    time putting my talk together. I hope people
+    will have a good time listening to it. Now that
+    the work is over, I can say it was worth it. so
+    I recommend it warmly"
+-   "This has been an all-around fantastic
+    experience, both as a first-time attendee and
+    speaker. many thanks to the volunteers who make
+    emacsconf possible, and the other speakers for
+    their wonderful talks (many of which i'll be
+    reviewing now that i'm not so busy preparing)"
+
+If you'd like to volunteer for EmacsConf, check
+out <https://emacsconf.org/volunteer/> to see if
+anything resonates with you, and e-mail us at
+<mailto:emacsconf-org@gnu.org>. We'd love to have
+you on board.
+
+Hope to see you next year!
+
+-   Sacha Chua
+