changelog

pybamm-team · Nov 12, 2024 · 2d83ec6 · 2d83ec6
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 ## Features
 
+- Added `CoupledVariable` which provides a placeholder variable whose equation can be elsewhere in the model. ([#4556](https://github.com/pybamm-team/PyBaMM/pull/4556))
 - Adds support to `pybamm.Experiment` for the `output_variables` option in the `IDAKLUSolver`. ([#4534](https://github.com/pybamm-team/PyBaMM/pull/4534))
 - Adds an option "voltage as a state" that can be "false" (default) or "true". If "true" adds an explicit algebraic equation for the voltage. ([#4507](https://github.com/pybamm-team/PyBaMM/pull/4507))
 - Improved `QuickPlot` accuracy for simulations with Hermite interpolation. ([#4483](https://github.com/pybamm-team/PyBaMM/pull/4483))
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 - Removed the `start_step_offset` setting and disabled minimum `dt` warnings for drive cycles with the (`IDAKLUSolver`). ([#4416](https://github.com/pybamm-team/PyBaMM/pull/4416))
 
 ## Bug Fixes
+- Added error for binary operators on two concatenations with different numbers of children. Previously, the extra children were dropped. ([#4562](https://github.com/pybamm-team/PyBaMM/pull/4562))
+- Fixed bug where Q_rxn was dropped from the total heating term in half-cell models. ([#4562](https://github.com/pybamm-team/PyBaMM/pull/4562))
+- Fixed bug where Q_rxn was set to 0 for the negative electrode in half-cell models. ([#4557](https://github.com/pybamm-team/PyBaMM/pull/4557))
 - Fixed bug in post-processing solutions with infeasible experiments using the (`IDAKLUSolver`). ([#4541](https://github.com/pybamm-team/PyBaMM/pull/4541))
 - Disabled IREE on MacOS due to compatibility issues and added the CasADI
   path to the environment to resolve issues on MacOS and Linux. Windows