diff --git a/docs/architecture.md b/docs/architecture.md
index 71c9560f..b8866878 100644
--- a/docs/architecture.md
+++ b/docs/architecture.md
@@ -18,8 +18,8 @@ cpal or muda. Everything in L0 to L4, the egui UI and the web app also build for
 | L0 | `color` | sRGB and linear, HSL/HSV, luminance, the 38 blend modes, label colors |
 | L0 | `vp9enc` | VP9 intra-frame encoder (profile 0, 8-bit 4:2:0; lossless at quality 100) for WebM export, from the VP9 bitstream specification |
 | L0 | `opusenc` | Opus encoder: RFC 6716 SILK (NB/MB/WB), hybrid (SWB/FB) and CELT (FB) modes chosen by bitrate and application (audio / voice), 48 kHz 20 ms packets, mono/stereo, and the RFC 7845 `OpusHead`, for WebM export audio |
-| L0 | `hevcenc` | HEVC (H.265) encoder from ITU-T H.265: Main / Main 10 4:2:0, IDR + P slices, CABAC, bitrate or constant-QP rate control, for MP4 (`hvc1`) export |
-| L0 | `av1enc` | AV1 encoder from the AV1 bitstream specification: Main profile 8/10-bit 4:2:0, key + inter frames, for MP4 (`av01`) and WebM export |
+| L0 | `hevcenc` | HEVC (H.265) encoder from ITU-T H.265: Main / Main 10 4:2:0, IDR + P slices (quarter-pel motion, merge/AMVP), CABAC, deblocking, bitrate or constant-QP rate control, for MP4 (`hvc1`) export |
+| L0 | `av1enc` | AV1 encoder from the AV1 bitstream specification: Main profile 8/10-bit 4:2:0, key + inter frames (quarter-pel motion), deblocking, for MP4 (`av01`) and WebM export |
 | L1 | `raster` | Premultiplied float images, sampling, affine and projective warps, blurs, compositing (parallel with rayon) |
 | L1 | `keyframe` | Animated values, keyframes with temporal ease and spatial Bezier, roving, hold, velocity |
 | L1 | `psd` | Photoshop PSD/PSB reader (layers, groups, masks, blend modes, text, layer effects, adjustment layers; 8/16/32-bit; RGB/CMYK/Gray/Lab) and a minimal writer, from Adobe's published format specification |
diff --git a/docs/parity.md b/docs/parity.md
index dc49af2e..17a07564 100644
--- a/docs/parity.md
+++ b/docs/parity.md
@@ -32,7 +32,7 @@ Tracking 96%, Effects 85%, Web 65%.
 What is left, in priority order: the web app's depth (threads, storage, audio, non-blocking
 renders); stroke taper/wave and multi-segment dashes; variable mask feather points; camera iris/bokeh and focus-link commands; 
 approximated effects (Key Cleaner) and Liquify's viewer brush; text in imported
-PDF/AI files and Illustrator procset EPS; and more codecs. Face tracking and a true Subspace Warp
+PDF/AI files and Illustrator procset EPS; and codec depth (B-frames, SAO/CDEF; HEVC and AV1 export and Opus SILK/hybrid landed in M13.4). Face tracking and a true Subspace Warp
 landed in M13.3. ScriptUI (dialogs that block `show()`, palettes, dockable ScriptUI panels, File ▸ Scripts install
 and sample scripts), puppet pin recording and the remaining "better than After Effects" items — a
 versioned effect plug-in API with sandboxed WebAssembly plug-ins ([plugins.md](plugins.md)),
@@ -122,7 +122,7 @@ the disk cache in the formats wave; the 3D Camera Tracker in M12.6.)
 | Area | Weighted parity | Remaining (agent-hours) | Biggest gaps |
 |---|---|---|---|
 | Layers | 88% | 4.8 | frame blending, collapse transformations, slip edit |
-| Output | 97% | 0.8 | Render Settings complete (field render + 3:2 pulldown, effects/solo/guide/depth/blending/blur overrides, time sampling, storage overflow), Output Module crop/ROI/resize, alpha modes, post-render actions, PCM formats, templates with defaults, render logs, Notify (M10.2); WebM VP9 key + inter frames with motion search, loop filter and rate control. Left: Opus is CELT-only, Photoshop sequence output, overflow for movies only checks at file creation |
+| Output | 97% | 0.8 | Render Settings complete (field render + 3:2 pulldown, effects/solo/guide/depth/blending/blur overrides, time sampling, storage overflow), Output Module crop/ROI/resize, alpha modes, post-render actions, PCM formats, templates with defaults, render logs, Notify (M10.2); WebM VP9 key + inter frames with motion search, loop filter and rate control; M13.4: HEVC export (MP4 `hvc1`, `effectcraft-hevcenc`: Main / Main 10, IDR + P slices, quarter-pel motion, deblocking, bit-exact with ffmpeg) and AV1 export (MP4 `av01` and WebM, `effectcraft-av1enc`: 8/10-bit key + inter frames, quarter-pel motion, loop filter, bit-exact with libdav1d) with profile, level, bitrate / constant-quality and key-frame interval options; Opus SILK (NB/MB/WB, mid/side stereo) and hybrid (SWB/FB) modes chosen by bitrate and Audio/Voice tuning, with the Opus bitrate in the Output Module. HEVC/AV1 import decodes through FilmCraft (MP4/MOV/MKV/WebM). Left: HEVC/AV1 have no B-frames, multi-reference, SAO/CDEF/restoration or alpha (compression below mature encoders); Opus has no FEC/DTX and only 20 ms frames; Photoshop sequence output, overflow for movies only checks at file creation |
 | Audio | 85% | 0.5 | audio to keyframes |
 | Import | 94% | 1.0 | text and images inside PDF/AI files, Illustrator EPS relying on Adobe procsets, smart-object perspective/warps, PSD 3D layers (PDF / PDF-compatible AI / EPS vector footage with Continuously Rasterize, layered composition import and Create Shapes from Vector Layer, and PSD smart objects with embedded files landed in M13.2; PSD as footage/composition/retain layer sizes, SVG footage earlier) |
 | Automation | ≈ 97% | 0.3 | `.jsxbin`, sockets, ScriptUI resource strings and custom `onDraw` graphics (the core object model landed in M14.4; ScriptUI windows/dialogs/dockable panels with `scriptui.*` agent commands, File ▸ Scripts install + sample scripts, and the effect plug-in API (EFF-6, WebAssembly) landed in M13.1) |