The user name that appears in head.php, says Hello _____!, doesn't update when you change your name in User Profiles.
Here is the fix, together with: pre-fill Contact Publisher form with logged-in user's Name/Email/Phone.
oc-includes/osclass/frm/Contact.form.class.php
Current:
     static public function your_name() {
        parent::generic_input_text("yourName", "", null, false);
        return true ;
    }
    
    static public function your_email($value = null) {
        parent::generic_input_text("yourEmail", , null, false);
        return true ;
    }
    
    static public function your_phone_number() {
        parent::generic_input_text("phoneNumber", "", null, false);
        return true ;
    }
Replace with:
    static public function your_name() {
        parent::generic_input_text("yourName", osc_logged_user_name(), null, false);
        return true ;
    }
    
    static public function your_email($value = null) {
        parent::generic_input_text("yourEmail", osc_logged_user_email(), null, false);
        return true ;
    }
    
    static public function your_phone_number() {
        parent::generic_input_text("phoneNumber", osc_logged_user_phone(), null, false);
        return true ;
    }
oc-includes/osclass/helpers/hUsers.php
Find ~line 31:
            Session::newInstance()->_set('userId', $user['pk_i_id']) ;
            Session::newInstance()->_set('userName', $user['s_name']) ;
            Session::newInstance()->_set('userEmail', $user['s_email']) ;
            return true ;
Replace with:
            Session::newInstance()->_set('userId', $user['pk_i_id']) ;
            Session::newInstance()->_set('userName', $user['s_name']) ;
            Session::newInstance()->_set('userEmail', $user['s_email']) ;
            Session::newInstance()->_set('userPhone', 
				($user['s_phone_mobile'])? $user['s_phone_mobile'] : $user['s_phone_land']) ;
            return true ;
Find ~line 48:
    function osc_logged_user_name() {
        return Session::newInstance()->_get('userName') ;	
    }
After, add:
    function osc_logged_user_phone() {
        return Session::newInstance()->_get('userPhone') ;
    }
login.php
Find ~line 55:
								Session::newInstance()->_set('userId', $user['pk_i_id']) ;
								Session::newInstance()->_set('userName', $user['s_name']) ;
								Session::newInstance()->_set('userEmail', $user['s_email']) ;
Replace with:
								Session::newInstance()->_set('userId', $user['pk_i_id']) ;
								Session::newInstance()->_set('userName', $user['s_name']) ;
								Session::newInstance()->_set('userEmail', $user['s_email']) ;
								Session::newInstance()->_set('userPhone', 
									($user['s_phone_mobile'])? $user['s_phone_mobile'] : $user['s_phone_land']) ;
oc-includes/osclass/user.php (or UserActions.php)
Find ~line 103:
        function edit($userId)
        {
            $input = $this->prepareData(false) ;
            $this->manager->update($input, array('pk_i_id' => $userId)) ;
After, add:
				// Update user vars in $_SESSION
				Session::newInstance()->_set('userName', $input['s_name']) ;
				Session::newInstance()->_set('userPhone', 
					($input['s_phone_mobile'])? $input['s_phone_mobile'] : $input['s_phone_land']) ;
user-non-secure.php
Find ~line 39:
						$userManager->update(
							array('s_email' => $userEmailTmp['s_new_email'])//, 's_pass_code' => $code)
							,array('pk_i_id' => $userEmailTmp['fk_i_user_id'])
						);
After, add:
						// Update user vars in $_SESSION
						Session::newInstance()->_set('userEmail', $userEmailTmp['s_new_email']) ;
Now when user changes their name, changes to header.php will appear immediately,
instead of at next login.
Now when user is viewing item page, the "contact publisher" fields Name/Email/Phone will be pre-filled with logged-in user's data.