The following notes were taken from the Tuesday, July 7, 2026 Simulator User Group (SUG) meeting. These notes form a summary of the items discussed, and are not intended to be a full transcript. They were taken from the video recording by Pantera, embedded at the end of this summary – my thanks to Pantera for providing it.
Meeting Overview
- The Simulator User Group (also referred to by its older name of Server User Group) exists to provide an opportunity for discussion about simulator technology, bugs, and feature ideas is held every other Tuesday at 12:00 noon, SLT (holidays, etc., allowing), per the Second Life Public Calendar.
- The “SUG Leviathan Hour” meetings are held on the Tuesdays which do not have a formal SUG meeting, and are chaired by Leviathan Linden. They are more brainstorming / general discussion sessions.
- Meetings are held in text in-world, at this location.
Simulator Deployments
- No deployments for the week, just restarts
- The next simulator update will be called Mango.
In Brief
- Rider Linden:
- Has merged in the rulebuilder code for Lua, so that’s ready to go. He noted that if any one wants to volunteer to fill out the tables for some functions it would be much appreciated.
- This week he is on-call and hopes to hunt down an issue that’s causing some regions to fail to grant caps. He has ideas on the cause, and so is hopeful he can fix it.
- Is also working on object publishing (prims as virtual filesystem that can be interacted with directly from VSCode, so it is possible to access and create scripts and notecards in a prim directly from VSCode rather than to have to keep switching focus between prims in world).
- Leviathan Linden:
- Is back working on game_control, currently doing an overhaul of the preferences UI and how the settings get formatted.
- Notes the goal is to make it possible to map buttons to avatar movement actions (i.e. DPAD buttons to MOVE_FWD and MOVE_BACK)
- Currently, the game_control viewer code is distinct from the Lua viewer code, but Leviathan plans on using that viewer in code merges with the game_control code.
- Roxie Linden noted that:
- Has been working on the WebRTC p2p IM bug where sessions fail to start, and is making progress. The issue seems to be a race condition in the back-end chat handling code; however, given the exact cause is hard to reproduce, there is no guarantee the fix in progress will correct all instances of session start failure, but Roxie optimistic.
- On the viewer-side, has been working on changes to pull in a more recent libwebrtc + reduce some audio hiss.
- Harold Linden (LUA):
- Has been busy with personal matters, but is now hoping to get back on top of Lua PRs and resuming work on bringing the SL Lua back in-line with Luau upstream. This is seen as important as many things added to Luau upstream which would be useful for the Lua project (e.g. 64-bit integers and classes).
- Commenting on the general state of the project, Harold added:
[the work is] Mainly polish at this point. I’d like our integer implementation to be based on Luau’s even if it’s not entirely the same under the hood so LSL can perform well, and I’d to have all scripts share a GC so that we don’t have separate memory allocators for each and every script as we do currently.
- Monty Linden noted that lsl-definitions have been updated recently but not baked into a release and cycled around yet – this will happen “soonish”.
General Discussion
Please refer to the video below for more on the following.
- One of the issues with Lua on the simulator side has been the simulator crash rates. Rider described these as now being “encouraging”, many of the issues are “known and on the list to address”.
- Harold’s comments on adopting upstream updates from Luau led to a discussion on 64-bit and 32-bit Lua support.
- This in turn led to a discussion on Lua and llhttp.request.
- A discussion on documentation.
Date of Next Meetings
- Leviathan Linden: Tuesday, July 14, 2026.
- Formal SUG meeting: Tuesday, July 21, 2026.
Inara Pey: Living in a Modemworld 