What is the relationship between WeChat and Tencent in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

Tencent (HKSE: 0700-OL.HK - news ) , which makes the WeChat software -- used by 500 million in China -- said it had repaired the flaw and that there had been "no theft (or) leakage of users' information or money."

Answer: developer