of the ORM (v2.6.0) that we could easily backport to v2.5.x.

Total issues resolved: **13**

- [5904: Fixed overwriting explicit cache namespace](https://github.com/doctrine/doctrine2/pull/5904) thanks to @JanJakes
- [6167: Fails to insert to a PostgreSQL master-slave config due to SequenceGenerator(NEXTVAL) issues](https://github.com/doctrine/doctrine2/issues/6167) thanks to @mkurzeja
- [6168: Fixed #6167 - Forced SELECT NEXTVAL to be run on master](https://github.com/doctrine/doctrine2/pull/6168) thanks to @mkurzeja
- [6682: SequenceGenerator crashes with non-numeric value encountered when using XML Driver](https://github.com/doctrine/doctrine2/issues/6682) thanks to @alextech
- [6683: Supply default values for optional values in sequence mapping if omitted by driver.](https://github.com/doctrine/doctrine2/pull/6683) thanks to @alextech
- [6699: setParameter issue when mixing :name and ?0 syntax](https://github.com/doctrine/doctrine2/issues/6699) thanks to @Seb33300
- [6705: Fix parameter name comparison in AbstractQuery regarding different types (fixes #6699)](https://github.com/doctrine/doctrine2/pull/6705) thanks to @Majkl578
- [6740: Fix operator when using criteria on ManyToMany](https://github.com/doctrine/doctrine2/pull/6740) thanks to @mduplouy
- [6810: BasicEntityPersister::count() return type contract violation in 2.5.x branch](https://github.com/doctrine/doctrine2/issues/6810) thanks to @vkurdin
- [6818: BasicEntityPersister::count() return type fix](https://github.com/doctrine/doctrine2/pull/6818) thanks to @vkurdin
- [6821: Make test suite compatible with PHP 7.2](https://github.com/doctrine/doctrine2/pull/6821) thanks to @remicollet
- [6848: Fixed overwriting explicit cache namespace](https://github.com/doctrine/doctrine2/pull/6848) thanks to @lcobucci
- [6852: Backport #6167 from 2.6 to 2.5.x branch](https://github.com/doctrine/doctrine2/pull/6852) thanks to @gigi