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• jetstream-1.5.0.5 2179e7b626

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  Slipstream Jetstream 1.5.0.5 Pre-release

  sky_line released this 2026-10-23 17:11:37 +00:00 | 222 commits to main since this release

  Slipstream Jetstream 1.5.0.5 -- jetstream-1.5.0.5 (2179e7b626).

  Linux x86_64 (glibc >= 2.38, x86-64-v2 CPU): *_x86_64.tar.xz
  Ubuntu 24.04+ / Debian 13+ / Mint 22+: *_amd64.deb (sudo apt install ./)
  Windows x64 (unsigned; SmartScreen: More info > Run anyway): *_Setup.exe installer, or *_win64.zip to unpack anywhere

  Changes since jetstream-1.5.0.4.

  Fixes

  • #87: GI disocclusion history fix -- a settled texel does not pull a young neighbour's sparkle in (no halo) (bea07b8476)
  • Fixes #969: Links tab dock shows Object + Contents panels for a picked link (8d6222ea3c)

  Other changes

  • #87 / #91: GI defaults -- emissive surfaces light by default, radiance cache on, cache-first hit ambient (2179e7b626)
  • #87 x #859: the reflection back-face stop's window is the depth behind the face, not the distance along the ray (9c9693ff8b)
  • #87 x #859: RT reflection rays stop at a near back face -- a corner-seam receiver no longer reflects the world outside the sealed room (5e35178f4a)
  • #87: GI ray origin lifted by the receiver's pixel footprint -- no dark patches from the back-face stop (57f75a67d3)
  • #87: GI back-face stop ignores terrain -- no dark patches over the ground (a12ba22509)
  • #91: emissive light continuous across grid cells -- the lit kernels blend the 8 surrounding cells (no horizontal line on the legs) (f4b023b6ba)
  • #87 x #859: RT reflection hits under GI carry no sky-lit haze in a sealed room (812a3bbafd)
  • #87 x #859: RT reflection hit-terms debug view (RenderVKRTReflectionsHitTermsDebug) (ab700f847a)
  • #962: under DLSS the RT signals run at full render resolution (RenderVKDlssFullResSignals) (fb0a3aa347)
  • #91: emissive triangle light no longer flickers -- the undenoised unshadowed sum is deterministic; animated textures use draw time (1ad20773e8)
  • #87: GI disocclusion -- silhouettes keep / rebuild their history after camera motion (no edge speckles after a zoom) (7ca56d9134)
  • #91: emissive stats show the live triangle cap; comment touch-ups (ff89a02b8b)
  • #91: emissive lights are TRIANGLES, not boxes -- no cut line on whatever stands on a big emitter, textured colour (612ae216f4)
  • #87: GI re-shade gain cap -- a reused sample re-shaded for a changed light can't sparkle (9c4d9614af)
  • #87 x #859: RT reflection hit occlusion ray never starts behind the wall (curved GREEN bands) (33ff400ac0)
  • #87 GI: edge sparkles -- GI rays stop at back faces (no leaking out of geometry / seams), point lights shadowed at GI hits, sparkle-cause debug view (972bac070d)
  • #87 x #859: RT reflection hit occlusion ray runs to 4 km -- a reflection-length cut-off is not an escape to the sky (8c2bcba379)
  • Volumetric fog: point lights occluded by geometry (ray-traced pick) (ff29894b0e)
  • #87 GI: re-shade reused samples a changed light reaches (instead of dropping them); no cache restarts for changed lights (f495b749af)
  • #91: emitter shadow samples converge -- no converged-texel shortcut for emitter picks, R3 box points (a66f0bb6f8)
  • #91 / #869: emissive surfaces light the world -- emitter records as ReSTIR DI area lights (+ GI split) (0ee0832604)
  • #87 x #859: gold cube bright patch -- alpha-blend / alpha-mask walls leaked sky + sun into RT reflections under GI; hit-occlusion debug view (20e017a11b)
  • #970: snow and wetness in ray-traced reflections (weather at RT hits + lying-snow height-field march) (4fadccb491)
  • #971: the network draw distance never exceeds 512 m (28fcd673d2)
  • #971 Advanced graphics: Load neighbouring regions within (SLNetDrawDistanceMax) slider + effective-value readout (f923cbc938)
  • #87 GI: edge fireflies (grazing reservoir weights, unclamped stored W) + colour blotches under club lights (stale reused radiance) (7a179e6081)
  • #87 x #859: RT reflection hits under GI stop reflecting the sky inside sealed rooms (hall of mirrors) (56537732b4)
  • Weather: wind direction variation (WeatherWindDirVariation, wdirvar= tag key) (85c67bd4f0)
  • Advanced graphics: Ray-traced lighting section (GI, shadows from all lights, stochastic / merged RT shadows) (d7d6285626)

  Tickets

  • #969 (Fixes)

  SHA-256 of each file is listed in its job log and below as uploads land.

  6c128819181bd860c2f2c397987ca83d8ae5695171f6f38dc940641ca576f71b Slipstream_1.5.0-jetstream.5_x86_64.tar.xz

  4f4aeb6372d393087a643ffce2b75538d0864da77db33c2920a19275affe4657 Slipstream_1.5.0-jetstream.5_win64.zip

  4021db978b2d268882a180910da7a07909842d6e8f98c5a8fdc79f0f84922ea8 Slipstream_1.5.0-jetstream.5_Setup.exe

  b7a7933ad8093028111297e9639f76e5239933b907c79b68ba946f635967dcb5 update-manifest.json

  Signed checksums: SHA256SUMS + SHA256SUMS.asc (key C28FDB4A40AA8360D8DF0470AD8E61526C06E929). Verify: https://slipstreamviewer.org/wiki/verify/

  Downloads

  • Source code (ZIP)
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  • Source code (TAR.GZ)
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  • SHA256SUMS
    1 download · 2026-10-23 18:17:58 +00:00 · 406 B
  • SHA256SUMS.asc
    1 download · 2026-10-23 18:17:58 +00:00 · 228 B
  • Slipstream_1.5.0-jetstream.5_Setup.exe
    9 downloads · 2026-10-23 18:15:22 +00:00 · 219 MiB
  • Slipstream_1.5.0-jetstream.5_win64.zip
    4 downloads · 2026-10-23 18:15:21 +00:00 · 294 MiB
  • Slipstream_1.5.0-jetstream.5_x86_64.tar.xz
    7 downloads · 2026-10-23 18:09:05 +00:00 · 198 MiB
  • update-manifest.json
    15 downloads · 2026-10-23 18:15:29 +00:00 · 911 B