Index: app/models/issue.rb
===================================================================
--- app/models/issue.rb	(revision 13139)
+++ app/models/issue.rb	(working copy)
@@ -358,7 +358,7 @@
   safe_attributes 'project_id',
     :if => lambda {|issue, user|
       if issue.new_record?
-        issue.copy?
+        Setting.new_issue_select_project? || issue.copy?
       elsif user.allowed_to?(:move_issues, issue.project)
         Issue.allowed_target_projects_on_move.count > 1
       end
Index: app/views/settings/_issues.html.erb
===================================================================
--- app/views/settings/_issues.html.erb	(revision 13139)
+++ app/views/settings/_issues.html.erb	(working copy)
@@ -7,6 +7,8 @@
 
 <p><%= setting_check_box :issue_group_assignment %></p>
 
+<p><%= setting_check_box :new_issue_select_project %></p>
+
 <p><%= setting_check_box :default_issue_start_date_to_creation_date %></p>
 
 <p><%= setting_check_box :display_subprojects_issues %></p>
Index: config/locales/en.yml
===================================================================
--- config/locales/en.yml	(revision 13139)
+++ config/locales/en.yml	(working copy)
@@ -397,6 +397,7 @@
   setting_commit_logtime_activity_id: Activity for logged time
   setting_gantt_items_limit: Maximum number of items displayed on the gantt chart
   setting_issue_group_assignment: Allow issue assignment to groups
+  setting_new_issue_select_project: Allow project selection for new issues
   setting_default_issue_start_date_to_creation_date: Use current date as start date for new issues
   setting_commit_cross_project_ref: Allow issues of all the other projects to be referenced and fixed
   setting_unsubscribe: Allow users to delete their own account
Index: config/settings.yml
===================================================================
--- config/settings.yml	(revision 13139)
+++ config/settings.yml	(working copy)
@@ -138,6 +138,8 @@
   default: 'tree'
 issue_group_assignment:
   default: 0
+new_issue_select_project:
+  default: false
 default_issue_start_date_to_creation_date:
   default: 1
 notified_events: