2020 TPVD meeting week #42: summary

Isolation’s Passengers – blog post

The following notes are taken from the TPV Developer meeting held on Friday, October 16th, 2020. These meetings are generally held every other week, unless otherwise noted in any given summary. The embedded video is provided to Pantera – my thanks to her for recording and providing it. Time stamps are included with the notes will open the video at the point(s) where a specific topic is discussed. Note these summaries are not intended to be a full reporting on all topics discussed, but focus on those items that are more directly user-facing.

Another exceptionally brief meeting, with some discussion in chat, so please refer to the video as well.

SL Viewer News

[0:15-2:18]

As per my CCUG meeting notes, the Mesh Uploader RC was promoted this week to de facto release status – refer to the release notes (link below) for details of the cosmetic and informational changes made to the uploader (which are in part based on contributions by Beq Janus of the Firestorm team). This leaves the current official viewer release list as follows:

  • Current release viewer version 6.4.10.549686, formerly the Mesh Uploader RC released October t and promoted on October 14 – NEW.
  • Release channel cohorts:
    • Cachaça Maintenance RC viewer, version 6.4.10.549752, issued October 1.
  • Project viewers:
    • Project Jelly project viewer (Jellydoll updates), version 6.4.10.549690, October 1.
    • Custom Key Mappings project viewer, version 6.4.5.544079, June 30.
    • Copy / Paste viewer, version 6.3.5.533365, December 9, 2019.
    • Project Muscadine (Animesh follow-on) project viewer, version 6.4.0.532999, November 22, 2019.
    • Legacy Profiles viewer, version 6.3.2.530836, September 17, 2019. Covers the re-integration of Viewer Profiles.
    • 360 Snapshot project viewer, version 6.2.4.529111, July 16, 2019.

General Viewer Notes

  • As per this week’s CCUG meeting, Vir is hopeful that the Legacy Profiles project viewer may be able to move forward soon using a workaround to get it past the current blocker of needing some web-side updates.
  • The Custom Key Mappings project viewer is being considered from promotion to RC status with its next update.
  • There is an upcoming RC viewer featuring some UI changes – possibly including the update to give HUD items in inventory their own inventory icon, as discussed by Steeltoe Linden in the CCUG week #40 meeting. Thus might be appearing in the next week or so.
The proposal UI change to distinguish HUD items from other objects in inventory.Left: how things are now, with HUDs using the same cube icon as other objects. Right: the proposed new HUD cog icon.
  • [5:24-6:54] There have been some issues with viewer documentation not appearing on the relevant web pages, leading to concerns that such documentation might be “going away”.
    • The problem has actually been caused by the mechanism used to generate the information not having been updated for some time (and also not even using current information), so when it was migrated to AWS services, it “fell apart”.
    • Rather than try to fix the issue, the decision has been made so that once uplift has been completed, the mechanism will be replaced with an easier to maintain process. However, it does mean that for the time being, some viewer related documentation may not be available.

In Brief

  • [9:20-10:00] BUG-228679: Media-on-a-Prim doesn’t register keystrokes correctly on Mac – unfortunately, no progress to report.
  • [12:12-13:40] A couple of TPVs have been holding off making a formal release of the Environment Enhancement Project (EEP) updates beyond their current beta releases in case LL make further EEP update releases like the recent Love Me Render #4 viewer release. However, the advice from the Lab to these TPVs is:
    • To consider the high-priority EEP fixes as being “done”, as the Graphics team is now focused on priority long-term architecture work (including moving the viewer beyond OpenGL).
    • That future EEP fixes, when made, will form a part of the regular Maintenance RC viewer releases, rather than having any dedicated RC viewer updates.
  • [13:49-16:58] EEP performance issues:
    • Some TPVs have reported significant performance / FPS drop-off with EEP (around 15%). However, the Lab is not seeing anything close to this with the official viewer.
    • Unless there are detailed reports filed on the issue – using the official release viewer – that provide information on where / when / how the issue is being witnessed (e.g. the kind of test carried out, where in-world, the hardware configuration and viewer settings used, the results obtained, etc.), that allow LL to reproduce the problems, they do not see what can be done by way of investigation / fixes.
      • It was pointed out that comparable testing on the official viewer is difficult due to the limited amount of video memory available (512 MB compared to a minimum of 1 GB on most TPVs), which also affects performance, and so might skew results / how results are seen (e.g. are they EEP or are they due to texture load issues?).
      • Vir indicated that the amount of assigned texture memory is something the Lab will be looking at in the future.

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