I've taken some Workspaces created in 2015/2016 and saved them as 2017.0.1.1 Workspaces. I've removed Readers and Writers and added them in fresh. In some cases I get this report in the log:
Workbench: Workspace integrity check during load found one or more readers/writers with configuration issues.
Workbench: Backed up current workspace as: E:\\AddressBase\\Plus\\FME\\LACHS (backup).fmw
Workbench: Fixed reader/writer configuration issues.
I know this means the issues should be fixed, but it raised the question in my mind about the best way to upgrade Workspaces. I know old ones should generally run in a later version of FME but in these cases I'm changing the Reader(s) and/or Writer(s) so I might as well update the Workspace version.
Some Workspaces have a lot of transformers in, so is a good upgrade path to create a blank Workspace, add the Reader(s) and Writer(s) then copy and paste the transformers from the old Workspace (then upgrade transformers and edit parameters if necessary)?