Commit 1aec28d1b3 for aom
commit 1aec28d1b31e98cdafd3c688347a220c5f9a2168
Author: Julio Barba <juliobbv@gmail.com>
Date: Tue Mar 24 17:26:26 2026 -0400
Update CHANGELOG with new features and bug fixes
Change-Id: I396126e7513c181e7b193792382d5b61736e622e
diff --git a/CHANGELOG b/CHANGELOG
index a826d7dd4d..2d9cca46de 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,15 +1,41 @@
yyyy-mm-dd next version
This release is ABI compatible with the last release.
+ This release includes significant compression efficiency and perceptual
+ quality improvements for layered image encoding, in addition to bug
+ fixes.
+
+ - New Features
+ * Tuning modes AOM_TUNE_IQ and AOM_TUNE_SSIMULACRA2 now work with
+ inter-frame encoding modes (good-quality and realtime), enabling
+ efficient layered image encoding.
+ * Variance Boost (deltaq-mode 6) support has been extended to
+ include good-quality and realtime modes.
+ * New value 2 for use_fixed_qp_offsets: disallow the application of
+ per-frame QP offsets, enabling full control of each frame's QP, by
+ adjusting rc_cfg.cq_level between each encoded frame.
+
- Compression Efficiency Improvements
+ * When encoding 2-layered images with AOM_TUNE_IQ vs. AOM_TUNE_SSIM:
+ - Good-quality mode: up to 15% gains at similar SSIMULACRA 2 scores.
+ - Realtime mode: up to 30% gains at similar SSIMULACRA 2 scores.
* Some minor quantization matrix formula and delta chroma q tweaks for the
AOM_TUNE_SSIMULACRA2 tuning mode, with up to 0.2% SSIMULACRA 2 score
efficiency gains.
+ - Perceptual Quality Improvements
+ * AOM_TUNE_IQ improves the visual quality of layered image encoding
+ compared to AOM_TUNE_SSIM.
+
- Speedups
* Make Adaptive CDEF more decoder friendly by limiting CDEF application to
only regions where high filter strengths are needed.
+ - Bug Fixes
+ * Commits 4cc0867f, 74aaa1ef: fix AOM_SCALING_MODE crashes when
+ restoration filtering or compound mask prediction modes are used by the
+ encoder.
+
2026-03-17 v3.13.2
This release includes several bug fixes. This release is ABI
compatible with the last release. See