diff --git a/CHANGES b/CHANGES
index 246e483..27f1f88 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,7 +1,43 @@
 Revision history for SPIRV-Tools
 
-v2022.2-dev 2022-01-26
-  - Start v2022.2-dev
+v2022.2-dev 2022-04-04
+  - General
+    - Add OpModuleProcessed to debug opcode (#4694)
+  - Optimizer
+    - Complete handling of RayQueryKHR type (#4690)
+    - Have scalar replacement use undef instead of null (#4691)
+    - Optimize Instruction::Instruction (#4705)
+    - Handle propagation of arrays with decorations (#4717)
+    - spirv-opt: Add OpExecutionModeId support (#4719)
+    - Optimize Type::HashValue (#4707)
+    - Optimize DefUseManager allocations (#4709)
+    - Add pass to remove DontInline function control (#4747)
+    - Better handling of 0xFFFFFFFF when folding vector shuffle (#4743)
+    - Reset the id bound on the module in compact ids (#4744)
+    - spirv-opt: (WIP) Eliminate Dead Input Component Pass (#4720)
+    - Support SPV_KHR_uniform_group_instructions (#4734)
+    - Handle shaders without execution model in spread-volatile-semantics (#4766)
+  - Validator
+    - Fix handling of Nontemporal image operand (#4692)
+    - [spirv-val] Allow 0 Component Count for DebugTypeArray for Shader (#4706)
+    - spirv-val: Validate DebugTypeMatrix (#4732)
+    - spirv-val: Label Vulkan VUID 04734 (#4739)
+    - spirv-val: Label VUID 06491 (#4745)
+    - spirv-val: Disallow array of push constants (#4742)
+    - spirv-val: Label Vulkan RuntimeArray VUID (#4749)
+    - spirv-val: Add Vulkan Image VUID 06214 (#4750)
+    - spirv-val: Add Vulkan Dref not allowed 3D dim VUID (#4751)
+    - spirv-val: Label and add test for PSB Aligned (#4756)
+    - spirv-val: Add Vulkan 32-bit bit op Base (#4758)
+    - spirv-val: Add more Vulkan VUID labels (#4764)
+  - Diff
+    - Introduce spirv-diff (#4611)
+    - Stabilize the output of spirv-diff (#4698)
+    - spirv-diff: Handle OpSpecConstant array sizes (#4700)
+    - spirv-diff: Match OpSpecConstantComposite correctly (#4704)
+    - spirv-diff: Use GetSingleWord*Operand (#4768)
+    - spirv-diff: Basic support for OpTypeForwardPointer (#4761)
+    - spirv-diff: Fix OpTypeFunction matching w.r.t operand count (#4771)
 
 v2022.1 2022-01-26
   - General