Real world examples of trouble due to poor UUID implementations

[ctavan]

Let's collect examples of where usage of poor UUID generators fell on peoples feet to underpin the motivation of this standardization effort:

• PouchDB:
  • https://pouchdb.com/2017/07/13/pouchdb-6.3.0.html
  • https://github.com/pouchdb/pouchdb/blob/5bb2edebb47034cc74939882cb690070456e6f2e/docs/_posts/2017-07-13-pouchdb-6.3.0.md#replacing-uuid-function-with-node-uuid
  • https://github.com/pouchdb/pouchdb/pull/6565/files
• uuidv4 npm module: https://github.com/thenativeweb/uuidv4/issues/1

[broofa]

https://stackoverflow.com/questions/6906916/collisions-when-generating-uuids-in-javascript

... article refers to a dead link on devoluk.com, but cached version is available here. Chrome has since improved their Math.random implementation.