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@@ -2,6 +2,7 @@
 
 ## Features
 
+-   Added `BackwardIndefiniteIntegral` symbol ([#1014](https://github.com/pybamm-team/PyBaMM/pull/1014))
 -   Added SEI film resistance as an option ([#994](https://github.com/pybamm-team/PyBaMM/pull/994))
 -   Added tab, edge, and surface cooling ([#965](https://github.com/pybamm-team/PyBaMM/pull/965))
 -   Added functionality to solver to automatically discretise a 0D model ([#947](https://github.com/pybamm-team/PyBaMM/pull/947))