# Forum and website feedback **URL:** https://discourse.slicer.org/c/forum-feedback/10.md?no_subcategories=false [Latest](https://discourse.slicer.org/latest.md) · [Categories](https://discourse.slicer.org/categories.md) · [Tags](https://discourse.slicer.org/tags.md) --- ## [About the Forum and website feedback category](https://discourse.slicer.org/t/about-the-forum-and-website-feedback-category/32)
**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\ **Replies:** 0\ **Last updated:** [April 8, 2017, 8:52pm UTC](https://discourse.slicer.org/t/about-the-forum-and-website-feedback-category/32 "2017-04-08T20:52:33Z")
Discussion about this site, its organization, how it works, and how we can improve it. --- ## [Radiomics ECHO 2D](https://discourse.slicer.org/t/radiomics-echo-2d/48171)
**Author:** [@Bouthaina\_Besbes](https://discourse.slicer.org/u/Bouthaina_Besbes)\ **Replies:** 2\ **Last updated:** [September 16, 2026, 6:39pm UTC](https://discourse.slicer.org/t/radiomics-echo-2d/48171 "2026-09-16T18:39:26Z")
Hello everybody, I m trying to extract radiomics features from echo images. And I can’t seem to understand how. I can segment the images, but when I use de radiomics slicer extension, I can’t apply it to my ROI. I don… --- ## [Semantic search for this forum](https://discourse.slicer.org/t/semantic-search-for-this-forum/34811)
**Author:** [@pieper](https://discourse.slicer.org/u/pieper)\ **Replies:** 11\ **Last updated:** [April 9, 2026, 12:06pm UTC](https://discourse.slicer.org/t/semantic-search-for-this-forum/34811 "2026-04-09T12:06:10Z")
It seems we still get a lot of repeat questions from newcomers to this forum, and that it’s still sometimes a challenge to find previous posts. It seems that the discourse meta and openai discourse would be the places w… --- ## [Confidently incorrect posts appearing on forum](https://discourse.slicer.org/t/confidently-incorrect-posts-appearing-on-forum/46398)
**Author:** [@mikebind](https://discourse.slicer.org/u/mikebind)\ **Replies:** 6\ **Last updated:** [March 4, 2026, 1:54am UTC](https://discourse.slicer.org/t/confidently-incorrect-posts-appearing-on-forum/46398 "2026-03-04T01:54:31Z")
I have noticed that some confidently worded but incorrect responses to posts have been appearing on the forum recently, often with language suggestive of LLM generation. How should we handle those, as a community? If I… --- ## [Draft-writer group and Draft category](https://discourse.slicer.org/t/draft-writer-group-and-draft-category/4612)
**Author:** [@jcfr](https://discourse.slicer.org/u/jcfr)\ **Replies:** 1\ **Last updated:** [November 29, 2025, 2:23pm UTC](https://discourse.slicer.org/t/draft-writer-group-and-draft-category/4612 "2025-11-29T14:23:24Z")
A new category named Draft visible only to member of the group draft-writer was created. It allows to leverage the shared draft feature of Discourse and is used to draft posts before publicly releasing them. (e.g Releas… --- ## [Suggestion for adding ai functions with discourse ai](https://discourse.slicer.org/t/suggestion-for-adding-ai-functions-with-discourse-ai/42209)
**Author:** [@motive2791](https://discourse.slicer.org/u/motive2791)\ **Replies:** 5\ **Last updated:** [March 19, 2025, 8:26pm UTC](https://discourse.slicer.org/t/suggestion-for-adding-ai-functions-with-discourse-ai/42209 "2025-03-19T20:26:44Z")
discourse plugin supports ai now with many functions, like ai search, summary, related may be our forum can add these function --- ## [Best Practices for 3D Slicer Volume Rendering of DICOM Data](https://discourse.slicer.org/t/best-practices-for-3d-slicer-volume-rendering-of-dicom-data/40789)
**Author:** [@evansdavis090](https://discourse.slicer.org/u/evansdavis090)\ **Replies:** 1\ **Last updated:** [December 18, 2024, 10:51pm UTC](https://discourse.slicer.org/t/best-practices-for-3d-slicer-volume-rendering-of-dicom-data/40789 "2024-12-18T22:51:30Z")
Hello Everyone, I’m relatively new to 3D Slicer, and I’m exploring the best ways to perform volume rendering of DICOM datasets for medical visualization. I’ve successfully loaded CT scan DICOM data into 3D Slicer and ap… --- ## [Posting in annoucement category](https://discourse.slicer.org/t/posting-in-annoucement-category/40536)
**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\ **Replies:** 2\ **Last updated:** [December 6, 2024, 2:43am UTC](https://discourse.slicer.org/t/posting-in-annoucement-category/40536 "2024-12-06T02:43:49Z")
I started creating a message in announcement category, but then somehow it ended up being sent to review. I haven’t finished it yet, and I cannot find a way to retract to edit. Can one of the admins help me? @jcfr @lass… --- ## [Sharing publications or success stories](https://discourse.slicer.org/t/sharing-publications-or-success-stories/9314)
**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\ **Replies:** 6\ **Last updated:** [October 14, 2024, 4:54pm UTC](https://discourse.slicer.org/t/sharing-publications-or-success-stories/9314 "2024-10-14T16:54:57Z")
I’ve received a message from a user, sharing the news that his work that utilized 3D Slicer has just been published in a prestigious journal. It would be nice to somehow publicly share these news/success stories. Where c… --- ## [how to change the user name](https://discourse.slicer.org/t/how-to-change-the-user-name/1540)
**Author:** [@iplneuro](https://discourse.slicer.org/u/iplneuro)\ **Replies:** 3\ **Last updated:** [November 29, 2017, 12:26pm UTC](https://discourse.slicer.org/t/how-to-change-the-user-name/1540 "2017-11-29T12:26:10Z")
Hi, Can anyone guide me to change the username in the forum. Thanks and regards, Suba --- ## [Attached pictures are not shown in some posts](https://discourse.slicer.org/t/attached-pictures-are-not-shown-in-some-posts/35118)
**Author:** [@VincentYu](https://discourse.slicer.org/u/VincentYu)\ **Replies:** 14\ **Last updated:** [May 21, 2024, 1:18pm UTC](https://discourse.slicer.org/t/attached-pictures-are-not-shown-in-some-posts/35118 "2024-05-21T13:18:26Z")
Environment: Windows 10, Firefox (124.0.1, 64-bit). Some attached pictures are disappeared, and this happens in several posts (but not all posts). I have tried different browsers (Chrome, Firefox and MS Edge) and laptop… --- ## [Slicer training page](https://discourse.slicer.org/t/slicer-training-page/32513)
**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\ **Replies:** 3\ **Last updated:** [November 1, 2023, 3:13am UTC](https://discourse.slicer.org/t/slicer-training-page/32513 "2023-11-01T03:13:14Z")
The Slicer training page has been seriously outdated in the past several years, in content (most content is very old), functionality (hard to find what is applicable to current Slicer version; users cannot edit the page)… --- ## [Easier discovery of the "post via email" capability](https://discourse.slicer.org/t/easier-discovery-of-the-post-via-email-capability/31413)
**Author:** [@jcfr](https://discourse.slicer.org/u/jcfr)\ **Replies:** 3\ **Last updated:** [August 29, 2023, 7:26pm UTC](https://discourse.slicer.org/t/easier-discovery-of-the-post-via-email-capability/31413 "2023-08-29T19:26:42Z")
To make the discovery of posting by email easier, I mirrored what was done in the CMake discourse adding a post via email mailto: link. Related post: Using Discourse as a mailing list Slicer CMake https://dis… --- ## [No Stable Slicer Extensions builds for MacOS since 07/24/2023](https://discourse.slicer.org/t/no-stable-slicer-extensions-builds-for-macos-since-07-24-2023/30937)
**Author:** [@che85](https://discourse.slicer.org/u/che85)\ **Replies:** 2\ **Last updated:** [August 2, 2023, 3:52pm UTC](https://discourse.slicer.org/t/no-stable-slicer-extensions-builds-for-macos-since-07-24-2023/30937 "2023-08-02T15:52:00Z")
Hello, it seems that there have not been any MacOS builds since 07/24/2023 The last MacOS extensions were built here: CDash @Sam\_Horvath, Andras asked me to ping you here. Maybe you could have a look into this issue? … --- ## [Slicer.org is down - invalid certification date](https://discourse.slicer.org/t/slicer-org-is-down-invalid-certification-date/28747)
**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\ **Replies:** 16\ **Last updated:** [July 6, 2023, 3:51pm UTC](https://discourse.slicer.org/t/slicer-org-is-down-invalid-certification-date/28747 "2023-07-06T15:51:57Z")
Starting this morning, slicer.org is no longer accessible. It shows this error: Even if I click on “Advanced”, I just get some more details: www.slicer.org uses encryption to protect your information. When Microsof… --- ## [Use of the global banner to communicate about major event](https://discourse.slicer.org/t/use-of-the-global-banner-to-communicate-about-major-event/28602)
**Author:** [@jcfr](https://discourse.slicer.org/u/jcfr)\ **Replies:** 0\ **Last updated:** [March 27, 2023, 6:24pm UTC](https://discourse.slicer.org/t/use-of-the-global-banner-to-communicate-about-major-event/28602 "2023-03-27T18:24:10Z")
While @Sam\_Horvath and I were discussing the coordination of an upcoming maintenance related to our infrastructure (we will communicate about later) we also realized there was a way to include a global banner to our disc… --- ## [Should we rename the existing "Weekly meetings" category to “Community events”?](https://discourse.slicer.org/t/should-we-rename-the-existing-weekly-meetings-category-to-community-events/28509)
**Author:** [@jcfr](https://discourse.slicer.org/u/jcfr)\ **Replies:** 5\ **Last updated:** [March 22, 2023, 2:58am UTC](https://discourse.slicer.org/t/should-we-rename-the-existing-weekly-meetings-category-to-community-events/28509 "2023-03-22T02:58:02Z")
Following the upgrade of our discourse instance, we can now leverage the calendar plugin and associated events feature. From @lassoan The calendar displayed at Weekly meetings - 3D Slicer Community is huge and relativ… --- ## [How to prevent meeting from disappearing after it expires?](https://discourse.slicer.org/t/how-to-prevent-meeting-from-disappearing-after-it-expires/28508)
**Author:** [@jcfr](https://discourse.slicer.org/u/jcfr)\ **Replies:** 1\ **Last updated:** [March 21, 2023, 8:11pm UTC](https://discourse.slicer.org/t/how-to-prevent-meeting-from-disappearing-after-it-expires/28508 "2023-03-21T20:11:30Z")
From @lassoan The calendar on the Slicer Forum’s Weekly meeting category (Weekly meetings - 3D Slicer Community) shows up empty for me. Probably the meeting disappeared from the calendar when it expired. I could not f… --- ## [Voting plugin enabled for feature request category](https://discourse.slicer.org/t/voting-plugin-enabled-for-feature-request-category/28507)
**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\ **Replies:** 1\ **Last updated:** [March 21, 2023, 3:36am UTC](https://discourse.slicer.org/t/voting-plugin-enabled-for-feature-request-category/28507 "2023-03-21T03:36:07Z")
Voting plugin is available now and enabled for feature request category. Should we try to use this instead of the current recommendation of adding a “thumbs up” on github? (the adding thumbs-up reaction to issues hasn’t … --- ## [Calendar plugin and associated events feature](https://discourse.slicer.org/t/calendar-plugin-and-associated-events-feature/28506)
**Author:** [@jcfr](https://discourse.slicer.org/u/jcfr)\ **Replies:** 2\ **Last updated:** [March 21, 2023, 1:45pm UTC](https://discourse.slicer.org/t/calendar-plugin-and-associated-events-feature/28506 "2023-03-21T13:45:49Z")
I experimented with the now available calendar plugin and also enabled the experimental events feature: This post includes an event The event is now listed in a calendar displayed at the beginning of the category … --- ## [Should we enable the new discourse sidebar?](https://discourse.slicer.org/t/should-we-enable-the-new-discourse-sidebar/26588)
**Author:** [@jcfr](https://discourse.slicer.org/u/jcfr)\ **Replies:** 6\ **Last updated:** [December 6, 2022, 8:48pm UTC](https://discourse.slicer.org/t/should-we-enable-the-new-discourse-sidebar/26588 "2022-12-06T20:48:00Z")
Discourse allows to enable a new sidebar feature for streamlining access to categories an other useful links. See Try out the new sidebar and notification menus! - announcements - Discourse Meta It can be enabled on ou… --- ## [Search the script repository lags](https://discourse.slicer.org/t/search-the-script-repository-lags/26603)
**Author:** [@rbumm](https://discourse.slicer.org/u/rbumm)\ **Replies:** 2\ **Last updated:** [December 6, 2022, 3:24pm UTC](https://discourse.slicer.org/t/search-the-script-repository-lags/26603 "2022-12-06T15:24:33Z")
Pressing “CTRL + F” on the 3D Slicer script repository page creates a small, noticeable and somewhat disturbing delay until appears. Could we make this show up faster or have a search box on that page? --- ## [Release announcements?](https://discourse.slicer.org/t/release-announcements/24127)
**Author:** [@shai-ikko](https://discourse.slicer.org/u/shai-ikko)\ **Replies:** 3\ **Last updated:** [July 4, 2022, 8:24am UTC](https://discourse.slicer.org/t/release-announcements/24127 "2022-07-04T08:24:42Z")
Hi, I’m quite new to this community, and I thought that by checking the website from time to time, I could find out when releases are made. But as it happened, 5.0 was released, and even 5.0.1 and 5.0.2, apparently with… --- ## [Showroom category for Slicer](https://discourse.slicer.org/t/showroom-category-for-slicer/23797)
**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\ **Replies:** 6\ **Last updated:** [June 10, 2022, 4:02pm UTC](https://discourse.slicer.org/t/showroom-category-for-slicer/23797 "2022-06-10T16:02:38Z")
In another forum using discourse, I saw that the community established a category/channel called Showroom where they are encouraged to post the pictures of what they have done with the software. I thought that might be a… --- ## [No longer receiving posts by mail](https://discourse.slicer.org/t/no-longer-receiving-posts-by-mail/22568)
**Author:** [@chir.set](https://discourse.slicer.org/u/chir.set)\ **Replies:** 4\ **Last updated:** [March 17, 2022, 6:42pm UTC](https://discourse.slicer.org/t/no-longer-receiving-posts-by-mail/22568 "2022-03-17T18:42:08Z")
Since about 3 days, I’m no longer receiving any email for posts in the forum. This has been working for years. Turning ‘Mailing list mode’ to ‘On’ does not change anything. For about 2 days before this, my mailbox was s… --- ## [download.slicer.org down?](https://discourse.slicer.org/t/download-slicer-org-down/22407)
**Author:** [@karischoonbee](https://discourse.slicer.org/u/karischoonbee)\ **Replies:** 1\ **Last updated:** [March 9, 2022, 1:44pm UTC](https://discourse.slicer.org/t/download-slicer-org-down/22407 "2022-03-09T13:44:28Z")
I’m unable to access download.slicer.org today and my old download I tried yesterday failed and keeps failing when I try to restart it. Are there any alternative download links? I’m looking for the latest stable OS X dmg… --- ## [Mailing list mode turned itself on?](https://discourse.slicer.org/t/mailing-list-mode-turned-itself-on/22367)
**Author:** [@dzenanz](https://discourse.slicer.org/u/dzenanz)\ **Replies:** 3\ **Last updated:** [March 8, 2022, 9:50pm UTC](https://discourse.slicer.org/t/mailing-list-mode-turned-itself-on/22367 "2022-03-08T21:50:16Z")
Yesterday, I started getting emails for each message on the forum. This morning I tried to explain it to myself. I thought I accidentally created a new account and new accounts had “mailing list mode” turned on by defaul… --- ## [Apply for OSI open source license status](https://discourse.slicer.org/t/apply-for-osi-open-source-license-status/17791)
**Author:** [@Christian\_Kleineidam](https://discourse.slicer.org/u/Christian_Kleineidam)\ **Replies:** 4\ **Last updated:** [January 31, 2022, 6:54pm UTC](https://discourse.slicer.org/t/apply-for-osi-open-source-license-status/17791 "2022-01-31T18:54:04Z")
OSI is generally used as a registry for which licenses are real open source licenses. The 3D Slicer license currently isn’t listed with OSI. The License Review Process | Open Source Initiative provides an easy way to reg… --- ## [Images on Slicer wiki are not available anymore](https://discourse.slicer.org/t/images-on-slicer-wiki-are-not-available-anymore/19048)
**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\ **Replies:** 1\ **Last updated:** [August 4, 2021, 2:00pm UTC](https://discourse.slicer.org/t/images-on-slicer-wiki-are-not-available-anymore/19048 "2021-08-04T14:00:36Z")
At many places we link to images on the Slicer wiki with URLs like this: https://www.slicer.org/w/images/b/b1/SliceTracker\_Logo\_1.1\_128x128.png However, recently these return “Error 404 - page not found”. The images c… --- ## [How to prioritize feature requests?](https://discourse.slicer.org/t/how-to-prioritize-feature-requests/16360)
**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\ **Replies:** 6\ **Last updated:** [March 25, 2021, 8:16pm UTC](https://discourse.slicer.org/t/how-to-prioritize-feature-requests/16360 "2021-03-25T20:16:30Z")
We get a number of feature requests and it is not obvious how to prioritize them. Discourse has an excellent topic voting feature that is developed exactly for this. The nice thing is that it limits the number of votes,… [Next page](https://discourse.slicer.org/c/forum-feedback/10.md?no_subcategories=false&page=1)