Symfony 2.1.8 is a maintenance version released yesterday, fixing about 30 bugs, most interesting ones include :
- b2080c4: [HttpFoundation] Remove Cache-Control when using https download via IE<9 (fixes #6750)
- 3e40c17: [HttpKernel] fixed locale management when exiting sub-requests
- 42d3c4c: added support for the X-Forwarded-For header (closes #6982, closes #7000)
- 6a9c510: fixed the IP address in HttpCache when calling the backend
- 87f3db7: [EventDispathcer] Fix removeListener
- 3615e19: [Security] fixed session creation on login (closes #7011)
- ddf4678: [HttpFoundation] fixed the creation of sub-requests under some circumstancies (closes #6923, closes #6936)
- 8ca00c5: [Security] fixed session creation when none is needed (closes #6917)
More information and download at http://symfony.com/