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KBnote.png Note: This list was recently migrated from the old mailman list to a new Google Group.
Invitations were sent to all existing list members but may have been eaten by spam filters or other mail monsters; see below for how to subscribe.

This list is for discussion of issues related to developing and contributing to Second Life viewers.

IMPORTANT: Please be sure to read the #Posting Policies and Guidelines below before posting to this mailing list.


To subscribe to the list, send an email to (content does not matter).


Posting Policies and Guidelines

The opensource-dev mailing list is for development issue related to Second Life open source code. The following policies are meant to ensure we can keep conversation civil and on-topic. "Policies" are rules that need to be followed to ensure continued posting privileges. "Guidelines" have more wiggle room, but should be considered before posting.


  • This mailing list is for discussing problems and ideas that software developers can directly address and for collaboration on solutions and improvements, not for turning Linden Lab development staff into proxies to reach other parts of Linden Lab (e.g. legal, executive, human resources, etc).
  • Please adhere to the community participation guidelines . We're going to preemptively set the "moderated" bit for repeat violators.
  • Constructive criticism is welcome, but general complaints which only serve to discourage use of Second Life or discourage cooperation with Linden Lab should be taken elsewhere.
  • If you have auto-reply email software (such as out-of-office notification), please make sure that it's configured correctly. Failure to do so will cause you to receive moderated access until you assure us it's fixed. See the Autoreply Software section below for more details.
  • If someone else is violating mailing list policy, do not reply to them on the list. Reply to them offlist if you feel you need to engage them. If you feel disciplinary action is required, send mail to the list administrator (<>). Engaging with them on-list is itself disruptive, and so may result in the moderation bit being set on your account.


In addition to the policies above, here's some guidelines. These aren't hard-and-fast rules, but rather, good etiquette. There are a lot of people on this list (800+ as of this writing), so please follow these guidelines when you post:

  • Please remember the old mantra "praise in public, criticize in private". On-list reprimands are rarely of interest to the general mailing list.
  • Keep threads on topic. If you want to talk about something unrelated to the subject of a thread, please do not begin your new topic by replying to an existing message. Even if you change the Subject line, most threaded email readers and archives will still think that your reply is related and will sort it incorrectly. This not only disrupts the thread you replied to, it can cause people to miss your message entirely. Send a new message to the list address with your new topic.
  • If the topic is not specifically a Second Life development-related topic, it should be redirected to an appropriate forum immediately.
  • This list is not for LSL questions or other SL issues besides open source software development.

Autoreply Software

If you have autoreply software to notify people that you are out of the office, please make sure that the software complies with the "Personal Responder" guidelines defined in RFC 3834 - Recommendations for Automatic Responses to Electronic Mail. In particular:

Personal and Group responses whose purpose is to notify the sender of a message of a temporary absence of the recipient (e.g., "vacation" and "out of the office" notices) SHOULD NOT be issued unless a valid address for the recipient is explicitly included in a recipient (e.g., To, Cc, Bcc, Resent-To, Resent-Cc, or Resent-Bcc) field of the subject message. Since a recipient may have multiple addresses forwarded to the same mailbox, recipient SHOULD be able to specify a set of addresses to the responder which it will recognize as valid for that recipient.

If your autoreply software sends mail to the opensource-dev mailing list, you will be marked as a moderated member of the mailing list, meaning that all messages you send to the mailing list will need to be approved by a list moderator. You may request to be switched to an unmoderated member only after you can assure the list moderators that your autoreply software has been upgraded to comply with RFC 3834.