To find that out, you can use the following GraphQL query. It will output all changes including flow versions, who made those changes and when.
{
flow(where: {name: {_eq: "loguru_flow"}}) {
id
name
version
created_by_user_id
flow_group_id
version_group_id
updated
created_by {
id
first_name
last_name
email
}
}
}