Make changelog

Author: albertomercurio

CHANGELOG.md

@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased](https://github.com/qutip/QuantumToolbox.jl/tree/main)
 
 - Support for single `AbstractQuantumObject` in `sc_ops` for faster specific method in `ssesolve` and `smesolve`. ([#408])
+- Change save callbacks from `PresetTimeCallback` to `FunctionCallingCallback`. ([#410])
 
 ## [v0.27.0]
 Release date: 2025-02-14
@@ -143,3 +144,4 @@ Release date: 2024-11-13
 [#404]: https://github.com/qutip/QuantumToolbox.jl/issues/404
 [#405]: https://github.com/qutip/QuantumToolbox.jl/issues/405
 [#408]: https://github.com/qutip/QuantumToolbox.jl/issues/408
+[#410]: https://github.com/qutip/QuantumToolbox.jl/issues/410