maint: post-release administrivia

* NEWS: Add header line for next release.
* .prev-version: Record previous version.
* cfg.mk (old_NEWS_hash): Auto-update.
diff --git a/.prev-version b/.prev-version
index 6a6a3d8..097a15a 100644
--- a/.prev-version
+++ b/.prev-version
@@ -1 +1 @@
-2.6.1
+2.6.2
diff --git a/NEWS b/NEWS
index 57cefca..9d0eda9 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,8 @@
 NEWS - list of user-visible changes between releases of GNU Libtool
 
+* Noteworthy changes in release ?.? (????-??-??) [?]
+
+
 * Noteworthy changes in release 2.6.2 (2026-07-16) [stable]
 
   Please see beta release 2.6.1 and alpha release 2.6.0 for a list of
diff --git a/cfg.mk b/cfg.mk
index 2b7735c..491a994 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -29,7 +29,7 @@
 		m4/libtool.m4
 
 # Set format of NEWS.
-old_NEWS_hash := ef051f2b97daaa0bb76a58402f5da76b
+old_NEWS_hash := e6216384cc3760013b7ba2ae1b3872f3
 
 manual_title = Portable Dynamic Shared Object Management