[inception-users] INCEpTION 40.0

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Richard Eckart de Castilho

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Mar 17, 2026, 6:55:25 AMMar 17
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INCEpTION is an extensible web-based collaborative environment for text annotation.

It integrates machine-learning-based annotation support, knowledge base management and corpus building into a single comprehensive platform.


This is a feature and bug fix release.


⚠️ Important upgrade note for administrators


If you deployed INCEpTION as a systemd service, you need to make an update to your inception.service file:


[Unit]

Description=INCEpTION


[Service]

User=www-data

WorkingDirectory=/srv/inception

EnvironmentFile=/srv/inception/inception.conf

ExecStart=/usr/bin/java $JAVA_OPTS -jar /srv/inception/inception.jar


[Install]

WantedBy=multi-user.target


For more details, please refer to the upgrade notes [7].


What's Changed

Annotation


  • ⭐️ #251 - Option to focus active learning on current document by @reckart in #5805
  • ⭐️ #4426 - Enable generic annotation detail popover for document level annotations by @reckart in #5921
  • ⭐️ #5073 - When selecting a link, arrows and governor/dependent could blink too by @reckart in #5803
  • ⭐️ #5783 - Optimized rendering for HTML and XML documents by @reckart in #5784, #5795
  • ⭐️ #5788 - Keyboard shortcuts to set granularity by @reckart in #5789
  • 🦟 #5810 - Document scrolls up when opening search sidebar by @reckart in #5821
  • 🦟 #5923 - Unable to mark text in search field using cursor keys by @reckart in #5924


Curation



Knowledge bases



Recommenders


  • 🦟 #5716 - Multiple no-label suggestions if there are multiple recommenders for different features on one layer by @reckart in #5901


Assistant



Workload management



Project management



Administration



Other



Full Changelog: inception-39.7...inception-40.0


Download


The new version can be downloaded from our website [3] or is available as docker images from GitHub [8].


Important upgrade notes


Please check the upgrade notes [7]. If you upgrade from an older version, check upgrade and release notes of intermediate releases as well.

An in-place upgrade from INCEpTION 39.7 to 40.0 is possible. 

You can usually also perform an in-place upgrade from an older version, but you should make sure that each of the intermediate releases allow an in-place upgrade to the next higher release.

Back up your data before the upgrade [4].


Publication


An overview of INCEpTION can be found in


Klie, J.-C., Bugert, M., Boullosa, B., Eckart de Castilho, R. and Gurevych, I. (2018):
The INCEpTION Platform: Machine-Assisted and Knowledge-Oriented Interactive Annotation.
In Proceedings of System Demonstrations of the 27th International Conference on Computational Linguistics (COLING 2018), Santa Fe, New Mexico, USA


PDF and BibTeX as well as more publications on specific features are available from our website [5].


License and System requirements


INCEpTION is provided as open source software under the Apache License version 2.

Running INCEpTION requires Java version 21 or higher.

By default, INCEpTION uses an embedded database which is sufficient for testing. However, the use of a MariaDB database is recommended.

INCEpTION works best with Chrome and Safari.


-- The INCEpTION developer team


[1] https://github.com/inception-project/inception/issues?q=milestone%3A40.0
[2] https://github.com/inception-project/inception/issues
[3] https://inception-project.github.io/downloads/
[4] https://inception-project.github.io/releases/40.0/docs/admin-guide.html#_backup_your_data
[5] https://inception-project.github.io/publications/
[6] https://inception-project.github.io/releases/40.0/docs/admin-guide.html#_running_the_behind_a_reverse_proxy_jar
[7] https://inception-project.github.io/releases/40.0/docs/admin-guide.html#_upgrade_notes
[8] https://github.com/inception-project/inception/pkgs/container/inception

Andreas Zankl

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Mar 18, 2026, 1:08:54 AMMar 18
to incepti...@googlegroups.com, Richard Eckart de Castilho
Hi Richard,

I just updated my server to INCEpTION 40.0. I also updated the inception.service file as per your instructions below. But when I start INCEpTION, I get the error below:

Mar 18 15:50:50 calgary.ad.garvan.unsw.edu.au systemd[1]: Started INCEpTION.
Mar 18 15:50:50 calgary.ad.garvan.unsw.edu.au java[10263]: Error: LinkageError occurred while loading main class de.tudarmstadt.ukp.inception.bootloader.ExtensibleClasspathEnabledWarLauncher
Mar 18 15:50:50 calgary.ad.garvan.unsw.edu.au java[10263]:         java.lang.UnsupportedClassVersionError: de/tudarmstadt/ukp/inception/bootloader/ExtensibleClasspathEnabledWarLauncher has been compiled by a more recent version of the Java Runtime (class file version 65.0), this version of the Java Runtime only recognizes class file versions up to 61.0
Mar 18 15:50:50 calgary.ad.garvan.unsw.edu.au systemd[1]: inception.service: Main process exited, code=exited, status=1/FAILURE
Mar 18 15:50:50 calgary.ad.garvan.unsw.edu.au systemd[1]: inception.service: Failed with result 'exit-code’.

The server is running Java OpenJDK 17.0.17:

java -version
openjdk version "17.0.17" 2025-10-21 LTS
OpenJDK Runtime Environment (Red_Hat-17.0.17.0.10-1) (build 17.0.17+10-LTS)
OpenJDK 64-Bit Server VM (Red_Hat-17.0.17.0.10-1) (build 17.0.17+10-LTS, mixed mode, sharing)

Do you know how to fix this?
Thanks
Andreas


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Richard Eckart de Castilho

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Mar 18, 2026, 1:22:05 AMMar 18
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Hello Andreas,

I'm sorry, I should have noted this prominently at the top of the release announcement as well...

INCEpTION 40.0 requires Java 21 or higher.

Some of the third-party libraries that INCEpTION uses no longer support Java 17.

So to run 40, you have to install Java 21 or a later version.

I'm currently using Java 24, but more recent versions should also work.

Sorry for the inconvenience!

Cheers,

-- Richard

Andreas Zankl

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Mar 18, 2026, 2:00:19 AMMar 18
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Hi Richard,
Just installed java 21 and its working now.
Would suggest updating the admin guide, I checked and it says Java 17 or higher there.
Thanks
Andreas
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Richard Eckart de Castilho

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Mar 18, 2026, 2:19:25 AMMar 18
to inception-users
Hi,

> On 18. Mar 2026, at 06:43, Andreas Zankl <andrea...@gmail.com> wrote:
>
> Would suggest updating the admin guide, I checked and it says Java 17 or higher there.

I thought I had done that, but obviously I didn't. Yes, will do for the 40.1 release.

Thanks for bringing this up :)

Cheers,

-- Richard

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