Updates to the Groups.io service.


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October 1, 2025

  • CHANGE: Now when attempting to subscribe to a subgroup and you are not already subscribed to the main group, it handles it correctly. If the main group is restricted, you will be subscribed to the subgroup after your main group subscription has been approved. When viewing pending members in the parent group that also have pending subscriptions in one or more subgroups, those will be listed as well. https://beta.groups.io/g/main/message/39749
  • BUGFIX:  We keep the HTML img tag width and height attributes if they are smaller than the original image. Previously we were setting them to the dimensions of the image.

September 26, 2025


September 25, 2025

  • CHANGE: We now resize inline images only if they have a dimension larger than 2048 pixels.
  • CHANGE: We no longer restrict individual messages in a digest to showing 2 images.

September 23, 2025

  • CHANGE: Updated the examples in the API docs to use the new API key authentication method, and also included sample Go and Javascript code.
  • BUGFIX: Made the export group and export user code smarter about properly dealing with filenames, which I am hoping will fix an issue with unzipping these files on Windows.

September 22, 2025

  • BUGFIX: Some API endpoints weren't working properly with the new API key authentication method.

September 19, 2025

  • BUGFIX: Pagination was broken in the Banned Domains list. I also cleaned up the formatting on the page.
  • BUGFIX: When pasting an image into the editor, we were not properly setting the width and height attributes of the image tag, which in some circumstances would cause the image to look blurry.
  • DOCS: Updates from Nina. https://groups.io/helpcenter/single/revisionhistory

September 18, 2025

  • INTERNAL: We're now dumping all incoming email connections with IP addresses that reverse to `*.bc.googleusercontent.com`, which should not be sending email.

September 15, 2025

  • CHANGE: When approving pending messages on the web, disable the Approve button once it's been clicked, to avoid double clicks.

September 12, 2025

  • NEW: New database column type Github Identity, which does an Oauth authentication step to fetch a Github profile.
  • CHANGE: Updated/cleaned up several database and group profile pages, so that they hopefully look and work nicer now.
  • BUGFIX: In some cases, the notification email to moderators about group sponsorships had an incorrect amount listed.

September 11, 2025

  • NEW: Added new event creation and modification endpoints to the API.
  • BUGFIX: Fixed a couple of dark mode color issues with the API documentation.

September 9, 2025

  • NEW: The API now supports API keys, configurable at https://groups.io/settings/apikeys

September 8, 2025

  • BUGFIX: For Reply To Sender groups, if a message subject line was encoded, the link in the footer of the message did not properly decode the subject for replies.
  • NEW: For Enterprise groups, we now support SAML-based SSO services, including specifically Microsoft Entra.
  • CHANGE: In the post editor, we now handle pasted inline images differently as the message is entered; we now remove/resize the inline images immediately instead of when the message is posted to the group.

September 7, 2025

  • CHANGE: Changed how we DKIM sign emails, changing from relaxed/simple to relaxed/relaxed and also changed which header fields we sign, in order to address some spurious DKIM signing errors we were seeing.
  • BUGFIX: Fixed various issues with Github Oauth token refreshing.
  • BUGFIX: Improved parsing of invite email lists.

September 5, 2025


September 4, 2025


August 29, 2025


August 28, 2025

  • CHANGE: Added show password buttons to the login and register pages.

August 23, 2025


August 22, 2025

  • CHANGE: You can now include much more information when direct adding members.

August 21, 2025

  • CHANGE: When deleting a wiki page, you now must type 'I understand' before the deletion will occur.