diff --git a/index.bs b/index.bs
index 3489ad3d..c4e43d44 100644
--- a/index.bs
+++ b/index.bs
@@ -2755,6 +2755,19 @@ class Bar {
Qx.y indicates that it is stored as a (x+y+1)-bit, signed, two’s complement fixed-point value with y fractional bits. That is, a (x+y+1)-bit signed (two’s complement) integer, that is implicitly multiplied by the scaling factor \(2^{−y}\).
+# Changes Since V1.0.0 Release # {#change-list}
+
+- Typo Correction: Sample Entry Type -> Box Type, in IAConfigurationBox.
+- Bug Fixing: Temporal Delimiter OBU may be present for Simple profile.
+- Bug Fixing: IASampleEntry contains a child box to store configOBUs.
+- Reference Fixing: Update references for ACN and SN3D.
+- Clarification: Not allowed duplicated values of audio_element_ids in one MixPresentation.
+- Clarification: On merging of IA Sequence Headers.
+- Clarification: Annex A4 and Annex A4.1 are merged to Annex A4.
+- Clarification: On ID linking scheme section.
+- Typo Correction: In profile section.
+- Convert to Working Draft.
+
# Annex # {#annex}
## Annex A: IAMF Generation Process (Informative) ## {#iamfgeneration}