18112: add a note to the upgrade log.

Arvados-DCO-1.1-Signed-off-by: Ward Vandewege <ward@curii.com>

diff --git a/doc/admin/upgrading.html.textile.liquid b/doc/admin/upgrading.html.textile.liquid
index 3c3211b61dc7c73f698547259474f9db4d6c497d..399ec35d2b75f381d0aed546e4d44e2ee10216a2 100644 (file)
--- a/doc/admin/upgrading.html.textile.liquid
+++ b/doc/admin/upgrading.html.textile.liquid
@@ -35,10 +35,14 @@ TODO: extract this information based on git commit messages and generate changel
 <div class="releasenotes">
 </notextile>
 
-h2(#main). development main (as of 2021-09-02)
+h2(#main). development main (as of 2021-09-07)
 
 "Upgrading from 2.2.0":#v2_2_0
 
+h3. Ubuntu 18.04 packages for arvados-api-server and arvados-workbench now conflict with ruby-bundler
+
+Ubuntu 18.04 ships with Bundler version 1.16.1, which is no longer compatible with the Gemfiles in the Arvados packages (made with Bundler 2.2.19). The Ubuntu 18.04 packages for arvados-api-server and arvados-workbench now conflict with the ruby-bundler package to work around this issue. The post-install scripts for arvados-api-server and arvados-workbench install the proper version of Bundler as a gem.
+
 h3. Removed unused @update_uuid@ endpoint for users.
 
 The @update_uuid@ endpoint was superseded by the "link accounts feature":{{site.baseurl}}/admin/link-accounts.html, so it's no longer available.