• Add normalized occlusion query visibility API - [New Feature] by RaananW (#18919)
• Frame graph: support Gaussian splats, sprites, and particles in geometry rendering - by Popov72 (#18930)
• WGSL: pass shadowTexture to computeShadowWithCSMPCF1 in the cascade blend branch - [Bug Fix] by increasinglyHuman (#18920)
• Avoid blob URL round-trip for in-memory ImageBitmap sources - [Bug Fix] by RaananW (#18924)
• Fix Gaussian splatting with horizontal fixed FOV - [Bug Fix] by Popov72 (#18921)
• Fix WebGPU occlusion query begin sequencing - [Bug Fix] by RaananW (#18918)
• Fix: static Gaussian Splatting part disappears after compacting a streaming compound - by raymondyfei (#18917)

• Inspector v2: Display mesh bounding box dimensions - [New Feature] by Jeggery (#18875)

• Frame graph: support Gaussian splats, sprites, and particles in geometry rendering - by Popov72 (#18930)

2026-09-18

• Components [text] add isTruncated expose (#24822 by @rzzf)

• Components [table] defer multiple filters until confirm (#24749 by @william-xue)
• Components [form] avoid warning for zero label width (#24820 by @wjp980108)
• Components [select/v2] avoid circular tag width calculation (#24743 by @rzzf)
• Components [upload] preserve dropped directory paths (#24838 by @rzzf)
• Components prevent duplicate keyboard handling in dates picker (#24860 by @ixyzorg)
• Components [loading] memory leak (#24865 by @btea)

• Ads: Report the last ad of a pod as complete when using SVTA tracking (#10576) (5c23a03), closes #10545
• Demo: Avoid requesting missing UI locales repeatedly (#10610) (959c271)
• enforce paused state when seeking from ended state (#10579) (6389f43), closes #10410
• HLS: Add missing AV2 video codec detection (#10594) (612b093)
• HLS: Avoid TypeError when a media playlist fails during load() (#10560) (0e3f38f)
• Keep captions working when periods disagree on caption vs subtitle (#10600) (1af2c7e), closes #10599
• TTML: Clip each sample of a multi-sample stpp segment to its own time (#10602) (6588698), closes #10597

• Ads: Report the last ad of a pod as complete when using SVTA tracking (#10576) (b6d5cda), closes #10545
• Demo: Avoid requesting missing UI locales repeatedly (#10610) (2005fcb)
• enforce paused state when seeking from ended state (#10579) (38f209f), closes #10410
• HLS: Add missing AV2 video codec detection (#10594) (4fb74f4)
• HLS: Avoid TypeError when a media playlist fails during load() (#10560) (26ee806)
• Keep captions working when periods disagree on caption vs subtitle (#10600) (193ac0e), closes #10599
• TTML: Clip each sample of a multi-sample stpp segment to its own time (#10602) (cc6b1f0), closes #10597

• Demo: Avoid requesting missing UI locales repeatedly (#10610) (9264af8)
• enforce paused state when seeking from ended state (#10579) (a64c992), closes #10410
• HLS: Add missing AV2 video codec detection (#10594) (f258442)
• HLS: Avoid TypeError when a media playlist fails during load() (#10560) (64a7244)
• Keep captions working when periods disagree on caption vs subtitle (#10600) (de583ec), closes #10599

• Demo: Avoid requesting missing UI locales repeatedly (#10610) (3bc67f0)
• enforce paused state when seeking from ended state (#10579) (e2e717b), closes #10410
• HLS: Add missing AV2 video codec detection (#10594) (318bcd8)
• HLS: Avoid TypeError when a media playlist fails during load() (#10560) (fc53a52)
• Keep captions working when periods disagree on caption vs subtitle (#10600) (251e5ad), closes #10599

• Throw on a write to an imported binding without losing concatenation. (by @alexander-akait in #22141)

• Keep the </html> a page was written with, whatever opened the element. (by @aryanraj45 in #22103)

• Look an attribute up by what its value decodes to, not how it was spelled. (by @aryanraj45 in #22107)

• Minify HTML by what a value says rather than how it was spelled. (by @alexander-akait in #22154)

• Follow HTML template form and frameset rules during tree construction. (by @dependabot in #22129)

• Keep the whitespace calc() needs around + and - in a custom property. (by @alexander-akait in #22150)

• Keep an attribute's delimiter and spell its value back where quoting is frozen. (by @alexander-akait in #22119)

• Rewrite an attribute value the source spelled with character references. (by @aryanraj45 in #22110)

• Unquote an HTML attribute value carrying a vertical tab. (by @alexander-akait in #22162)

• Keep a shadow's spread and canonicalize a merged selector list. (by @alexander-akait in #22101)

• Leave out an implied tag and merge adjacent runs on the first pass. (by @aryanraj45 in #22121)

• Minify in one pass what a second pass of the CSS minifier used to find. (by @alexander-akait in #22106)

• Cover the CSS lookup tables no stylesheet in the corpus reaches. (by @aryanraj45 in #22126)

• Keep initial where an engine reads the property's initial keyword apart. (by @aryanraj45 in #22128)

• Join the CSS rules a cut leaves adjacent, and keep a value an escape ate. (by @alexander-akait in #22108)

• Drop the dead CSS a cut leaves, and join more of the blocks that print alike. (by @alexander-akait in #22111)

• Run the printer equivalence suite against Firefox as well as Chrome. (by @aryanraj45 in #22151)

• Finish in one CSS pass the joins, drops and collapses left to a second. (by @alexander-akait in #22117)

• Move the context module sources into lib/context/. (by @alexander-akait in #22115)

• Declare loader context types in JSDoc instead of hand-written .d.ts files. (by @alexander-akait in #22116)

• Emit a failing module's stack relative, and name what a tap failed with. (by @alexander-akait in #22122)

• Finish in one CSS pass the drops, layer gathers and joins left to a second. (by @alexander-akait in #22120)

• Speed up CSS parsing by stepping over dropped selector preludes in bytes. (by @alexander-akait in #22142)

• Record hoisted, module and block declarations while parsing, not by re-walking. (by @alexander-akait in #22147)

• Fold more enumerated attribute values and drop those naming no keyword. (by @alexander-akait in #22148)

• Halve the CSS minifier's browser-version tables by narrowing their element type. (by @alexander-akait in #22140)

• Make each optimization.minimize.css switch govern its own rewrite alone. (by @alexander-akait in #22140)

• Join the rules a top-level @layer gather leaves meeting at the seam. (by @alexander-akait in #22140)

• Gather a CSS layer past a rule that writes only a different one. (by @alexander-akait in #22154)

• Order HTML attributes by what reaches the output, and read values decoded. (by @alexander-akait in #22146)

• Drop a fallback declaration every browserslist target reads past. (by @alexander-akait in #22158)

• Fix module library exports lost under cache or missing behind a re-export. (by @hai-x in #22114)

• #8248 3e9f40b Thanks @sidharthv96! - Support Mermaid 12 in the ZenUML plugin while retaining Mermaid 10 and 11 compatibility.

• #8248 3e9f40b Thanks @sidharthv96! - Support Mermaid 12 in the tidy-tree layout package while retaining Mermaid 11 compatibility.

• #4201 fafd989 Thanks @linux-universe! - Add 1 new icon: fluxer