[PATCH 4.15 3/3] CHANGELOG.md: Glean some information from SUPPORT.md

[Ian Jackson <iwj@xxxxxxxxxxxxxx>]

Signed-off-by: Ian Jackson <iwj@xxxxxxxxxxxxxx>
---
 CHANGELOG.md | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4ecd157a35..ccdbb82c2e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,16 @@ The format is based on [Keep a 
Changelog](https://keepachangelog.com/en/1.0.0/)
 
 ## [Unreleased](https://xenbits.xen.org/gitweb/?p=xen.git;a=shortlog)
 
+## Added / support upgraded
+ - Linux device model stubdomains (Tech Preview)
+ - Xen PV display protocol "backend allocation" mode (Experimental)
+ - ARM IOREQ servers (device emulation etc.) (Tech Preview)
+ - Renesas IPMMU-VMSA (Supported, not security supported; was Tech Preview)
+ - ARM SMMUv3 (Tech Preview)
+
+## Removed / support downgraded
+ - qemu-xen-traditional as host process device model, now "No security 
support, not recommended".  (Use as stub domain device model is still supported 
- see SUPPORT.md.)
+
 ## 
[4.14.0](https://xenbits.xen.org/gitweb/?p=xen.git;a=shortlog;h=RELEASE-4.14.0) 
- 2020-07-23
 
 > Pointer to release from which CHANGELOG tracking starts
-- 
2.20.1