diff --git a/CHANGELOG.md b/CHANGELOG.md
index a8707c4ec..e1c7aef76 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,10 @@ This project adheres to [Semantic Versioning], with the exception that minor rel
 
 ## [Unreleased]
 
+## [3.4.0] - 2025-10-15
+
+_If you are upgrading: please see [`UPGRADING.md`](UPGRADING.md#340)._
+
 ### Added
 
 - 👷 Enable testing on Python 3.14 ([#796]) ([**@denialhaag**])
@@ -42,10 +46,10 @@ _If you are upgrading: please see [`UPGRADING.md`](UPGRADING.md#330)._
 
 ### Changed
 
-- **Breaking**: ⬆️ Bump minimum required `mqt-core` version to `3.2.1` ([#720]) ([**@denialhaag**])
-- **Breaking**: ⬆️ Require C++20 ([#720]) ([**@denialhaag**])
-- **Breaking**: ♻️ Neutral Atom Compiler: Merge Placement and Routing stage into a Layout Synthesis stage ([#713]) ([**@ystade**])
-- **Breaking**: ✨ Expose enums to Python via `pybind11`'s new (`enum.Enum`-compatible) `py::native_enum` ([#715]) ([**@denialhaag**])
+- ⬆️ Bump minimum required `mqt-core` version to `3.2.1` ([#720]) ([**@denialhaag**])
+- ⬆️ Require C++20 ([#720]) ([**@denialhaag**])
+- ♻️ Neutral Atom Compiler: Merge Placement and Routing stage into a Layout Synthesis stage ([#713]) ([**@ystade**])
+- ✨ Expose enums to Python via `pybind11`'s new (`enum.Enum`-compatible) `py::native_enum` ([#715]) ([**@denialhaag**])
 
 ### Fixed
 
@@ -58,10 +62,10 @@ _If you are upgrading: please see [`UPGRADING.md`](UPGRADING.md#320)._
 
 ### Changed
 
-- **Breaking**: ♻️ Restructure the Python code to introduce modules ([#665]) ([**@denialhaag**])
+- ♻️ Restructure the Python code to introduce modules ([#665]) ([**@denialhaag**])
 - ♻️ Restructure the C++ code for the Python bindings to mirror the introduced Python modules ([#665]) ([**@denialhaag**])
-- **Breaking**: ⬆️ Bump minimum required `mqt-core` version to `3.1.0` ([#694]) ([**@denialhaag**])
-- **Breaking**: ⬆️ Bump minimum required `pybind11` version to `3.0.0` ([#694]) ([**@denialhaag**])
+- ⬆️ Bump minimum required `mqt-core` version to `3.1.0` ([#694]) ([**@denialhaag**])
+- ⬆️ Bump minimum required `pybind11` version to `3.0.0` ([#694]) ([**@denialhaag**])
 
 ### Fixed
 
@@ -113,19 +117,19 @@ _If you are upgrading: please see [`UPGRADING.md`](UPGRADING.md#300)._
 
 ### Changed
 
-- **Breaking**: 🚚 Move MQT QMAP to the [munich-quantum-toolkit] GitHub organization
-- **Breaking**: ♻️ Use the `mqt-core` Python package for handling circuits ([#418]) ([**@burgholzer**])
-- **Breaking**: ⬆️ Bump minimum required CMake version to `3.24.0` ([#621]) ([**@burgholzer**])
-- **Breaking**: ♻️ Adopt new `NAComputation` in NASP tool ([#608]) ([**@ystade**])
-- **Breaking**: ♻️ Isolate NALAC from the main library ([#608], [#609]) ([**@ystade**])
+- 🚚 Move MQT QMAP to the [munich-quantum-toolkit] GitHub organization
+- ♻️ Use the `mqt-core` Python package for handling circuits ([#418]) ([**@burgholzer**])
+- ⬆️ Bump minimum required CMake version to `3.24.0` ([#621]) ([**@burgholzer**])
+- ♻️ Adopt new `NAComputation` in NASP tool ([#608]) ([**@ystade**])
+- ♻️ Isolate NALAC from the main library ([#608], [#609]) ([**@ystade**])
 - 📝 Rework existing project documentation ([#614]) ([**@burgholzer**])
 
 ### Removed
 
-- **Breaking**: 🔥 Remove teleportation support for the heuristic mapping ([#621]) ([**@burgholzer**])
-- **Breaking**: 🔥 Remove support for `BackendV1` Qiskit backends ([#610]) ([**@burgholzer**])
-- **Breaking**: 🔥 Remove support for `.real`, `.qc`, `.tfc`, and `GRCS` files ([#621]) ([**@burgholzer**])
-- **Breaking**: 🔥 Remove `yaml-cpp` dependency ([#608]) ([**@ystade**])
+- 🔥 Remove teleportation support for the heuristic mapping ([#621]) ([**@burgholzer**])
+- 🔥 Remove support for `BackendV1` Qiskit backends ([#610]) ([**@burgholzer**])
+- 🔥 Remove support for `.real`, `.qc`, `.tfc`, and `GRCS` files ([#621]) ([**@burgholzer**])
+- 🔥 Remove `yaml-cpp` dependency ([#608]) ([**@ystade**])
 
 ## [2.8.0] - 2024-11-18
 
@@ -133,7 +137,8 @@ _📚 Refer to the [GitHub Release Notes] for previous changelogs._
 
 <!-- Version links -->
 
-[unreleased]: https://github.com/munich-quantum-toolkit/qmap/compare/v3.3.1...HEAD
+[unreleased]: https://github.com/munich-quantum-toolkit/qmap/compare/v3.4.0...HEAD
+[3.4.0]: https://github.com/munich-quantum-toolkit/qmap/releases/tag/v3.4.0
 [3.3.1]: https://github.com/munich-quantum-toolkit/qmap/releases/tag/v3.3.1
 [3.3.0]: https://github.com/munich-quantum-toolkit/qmap/releases/tag/v3.3.0
 [3.2.0]: https://github.com/munich-quantum-toolkit/qmap/releases/tag/v3.2.0
diff --git a/UPGRADING.md b/UPGRADING.md
index 4aa362d67..716cb9784 100644
--- a/UPGRADING.md
+++ b/UPGRADING.md
@@ -4,6 +4,8 @@ This document describes breaking changes and how to upgrade. For a complete list
 
 ## [Unreleased]
 
+## [3.4.0]
+
 ### End of support for Python 3.9
 
 Starting with this release, MQT QMAP no longer supports Python 3.9.
@@ -81,7 +83,8 @@ Alternatively, CMake can be conveniently installed from PyPI using the [`cmake`]
 
 <!-- Version links -->
 
-[unreleased]: https://github.com/munich-quantum-toolkit/qmap/compare/v3.3.0...HEAD
+[unreleased]: https://github.com/munich-quantum-toolkit/qmap/compare/v3.4.0...HEAD
+[3.4.0]: https://github.com/munich-quantum-toolkit/qmap/compare/v3.3.0...v3.4.0
 [3.3.0]: https://github.com/munich-quantum-toolkit/qmap/compare/v3.2.0...v3.3.0
 [3.2.0]: https://github.com/munich-quantum-toolkit/qmap/compare/v3.1.0...v3.2.0
 [3.1.0]: https://github.com/munich-quantum-toolkit/qmap/compare/v3.0.0...v3.1.0