X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/347c7205cde8e9e969975ea79dca4135e9f2ce5a..d33c63515b46bd5d9ad4dc07efc734743b7d530b:/doc/admin/upgrading.html.textile.liquid

diff --git a/doc/admin/upgrading.html.textile.liquid b/doc/admin/upgrading.html.textile.liquid
index 3527a5c93f..02ded1fc42 100644
--- a/doc/admin/upgrading.html.textile.liquid
+++ b/doc/admin/upgrading.html.textile.liquid
@@ -28,10 +28,14 @@ TODO: extract this information based on git commit messages and generate changel
 <div class="releasenotes">
 </notextile>
 
-h2(#main). development main (as of 2023-04-17)
+h2(#main). development main (as of 2023-04-18)
 
 "previous: Upgrading to 2.6.1":#v2_6_1
 
+h3. UseAWSS3v2Driver option removed
+
+The old "v1" S3 driver for keepstore has been removed. The new "v2" implementation, which has been the default since Arvados 2.5.0, is always used. The @Volumes.*.DriverParameters.UseAWSS3v2Driver@ configuration key is no longer recognized. If your config file uses it, remove it to avoid warning messages at startup.
+
 h2(#v2_6_1). v2.6.1 (2023-04-17)
 
 "previous: Upgrading to 2.6.0":#v2_6_0