release libmamba 2.4.0, micromamba 2.4.0, libmambapy 2.4.0

Signed-off-by: Julien Jerphanion <[email protected]>

Author: jjerphan

CHANGELOG.md

@@ -1,3 +1,22 @@
+## 2025.11.21
+
+Release: 2.4.0 (libmamba, mamba, micromamba, libmambapy)
+
+Enhancements:
+
+- [micromamba, libmamba] Support for `mambajs`'s environment lockfile format by @Klaim in <https://github.com/mamba-org/mamba/pull/4085>
+- [all] Logging impl separation by @Klaim in <https://github.com/mamba-org/mamba/pull/4016>
+
+Bug fixes:
+
+- [micromamba] fix: Update URL of lock files by @jjerphan in <https://github.com/mamba-org/mamba/pull/4097>
+- [micromamba] Fix Windows tests by @JohanMabille in <https://github.com/mamba-org/mamba/pull/4086>
+
+Maintenance:
+
+- [all] build(deps): bump actions/upload-artifact from 4 to 5 by @app/dependabot in <https://github.com/mamba-org/mamba/pull/4088>
+- [libmamba] Removed deprecated libcurl backend by @JohanMabille in <https://github.com/mamba-org/mamba/pull/4083>
+
 ## 2025.11.18
 
 Release: 2.4.0.rc0 (libmamba, mamba, micromamba, libmambapy)

libmamba/CHANGELOG.md

@@ -1,3 +1,15 @@
+## libmamba 2.4.0 (November 21, 2025)
+
+Enhancements:
+
+- Support for `mambajs`'s environment lockfile format by @Klaim in <https://github.com/mamba-org/mamba/pull/4085>
+- Logging impl separation by @Klaim in <https://github.com/mamba-org/mamba/pull/4016>
+
+Maintenance:
+
+- build(deps): bump actions/upload-artifact from 4 to 5 by @app/dependabot in <https://github.com/mamba-org/mamba/pull/4088>
+- Removed deprecated libcurl backend by @JohanMabille in <https://github.com/mamba-org/mamba/pull/4083>
+
 ## libmamba 2.4.0.rc0 (November 18, 2025)
 
 Enhancements:

libmamba/include/mamba/version.hpp

@@ -13,12 +13,12 @@
 #define LIBMAMBA_VERSION_MAJOR 2
 #define LIBMAMBA_VERSION_MINOR 4
 #define LIBMAMBA_VERSION_PATCH 0
-#define LIBMAMBA_VERSION_IS_PRERELEASE 1
+#define LIBMAMBA_VERSION_IS_PRERELEASE 0
 #if LIBMAMBA_VERSION_IS_PRERELEASE == 1
-#define LIBMAMBA_VERSION_PRERELEASE_NAME "rc0"
+#define LIBMAMBA_VERSION_PRERELEASE_NAME ""
 #endif
 
-#define LIBMAMBA_VERSION_STRING "2.4.0.rc0"
+#define LIBMAMBA_VERSION_STRING "2.4.0"
 #define LIBMAMBA_VERSION                                                                           \
     (LIBMAMBA_VERSION_MAJOR * 10000 + LIBMAMBA_VERSION_MINOR * 100 + LIBMAMBA_VERSION_PATCH)
 

libmambapy/CHANGELOG.md

@@ -1,3 +1,13 @@
+## libmambapy 2.4.0 (November 21, 2025)
+
+Enhancements:
+
+- Logging impl separation by @Klaim in <https://github.com/mamba-org/mamba/pull/4016>
+
+Maintenance:
+
+- build(deps): bump actions/upload-artifact from 4 to 5 by @app/dependabot in <https://github.com/mamba-org/mamba/pull/4088>
+
 ## libmambapy 2.4.0.rc0 (November 18, 2025)
 
 Enhancements:

libmambapy/src/libmambapy/version.py

@@ -1,5 +1,5 @@
 version_info = ("2", "4", "0")
-version_prerelease = "rc0"
+version_prerelease = ""
 __version__ = ".".join(map(str, version_info))
 if version_prerelease != "":
     __version__ = f"{__version__}.{version_prerelease}"

micromamba/CHANGELOG.md

@@ -1,3 +1,19 @@
+## micromamba 2.4.0 (November 21, 2025)
+
+Enhancements:
+
+- Support for `mambajs`'s environment lockfile format by @Klaim in <https://github.com/mamba-org/mamba/pull/4085>
+- Logging impl separation by @Klaim in <https://github.com/mamba-org/mamba/pull/4016>
+
+Bug fixes:
+
+- fix: Update URL of lock files by @jjerphan in <https://github.com/mamba-org/mamba/pull/4097>
+- Fix Windows tests by @JohanMabille in <https://github.com/mamba-org/mamba/pull/4086>
+
+Maintenance:
+
+- build(deps): bump actions/upload-artifact from 4 to 5 by @app/dependabot in <https://github.com/mamba-org/mamba/pull/4088>
+
 ## micromamba 2.4.0.rc0 (November 18, 2025)
 
 Enhancements:

micromamba/src/version.hpp

@@ -13,12 +13,12 @@
 #define UMAMBA_VERSION_MAJOR 2
 #define UMAMBA_VERSION_MINOR 4
 #define UMAMBA_VERSION_PATCH 0
-#define UMAMBA_VERSION_IS_PRERELEASE 1
+#define UMAMBA_VERSION_IS_PRERELEASE 0
 #if UMAMBA_VERSION_IS_PRERELEASE == 1
-#define UMAMBA_VERSION_PRERELEASE_NAME "rc0"
+#define UMAMBA_VERSION_PRERELEASE_NAME ""
 #endif
 
-#define UMAMBA_VERSION_STRING "2.4.0.rc0"
+#define UMAMBA_VERSION_STRING "2.4.0"
 #define UMAMBA_VERSION                                                                             \
     (UMAMBA_VERSION_MAJOR * 10000 + UMAMBA_VERSION_MINOR * 100 + UMAMBA_VERSION_PATCH)