;doc: update changelogs

CHANGES.md

@@ -9,7 +9,7 @@
 General changes in the hledger project.
 For package-specific changes, see the hledger package changelogs.
 
-# d124d40e6
+# 12247c876
 
 # 1.29.1 2023-03-16
 

hledger-lib/CHANGES.md

@@ -9,7 +9,7 @@
 Internal/api/developer-ish changes in the hledger-lib (and hledger) packages.
 For user-visible changes, see the hledger package changelog.
 
-# d124d40e6
+# 5ddb6028e
 
 # 1.29.1 2023-03-16
 

hledger-ui/CHANGES.md

@@ -9,7 +9,7 @@
 User-visible changes in hledger-ui.
 See also the hledger changelog.
 
-# d124d40e6
+# 5655c533f
 
 # 1.29.1 2023-03-16
 

hledger-web/CHANGES.md

@@ -9,7 +9,7 @@ __      _____| |__
 User-visible changes in hledger-web.
 See also the hledger changelog.
 
-# d124d40e6
+# 5655c533f
 
 # 1.29.1 2023-03-16
 

hledger/CHANGES.md

@@ -9,7 +9,24 @@
 User-visible changes in the hledger command line tool and library.
 
 
-# d124d40e6
+# 8ec59eafa
+
+Breaking changes
+
+Features
+
+- The new `demo` command plays brief asciinema "screencasts"
+  explaining various features and use cases.
+
+Improvements
+
+- Commands list cleanups
+
+Fixes
+
+Scripts/addons
+
+Docs
 
 # 1.29.1 2023-03-16