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+<!--
+.. title: Release candidate 2.1.0rc1 available
+.. slug: rc-2.1.0rc1-available
+.. date: 2026-01-16 16:21:42 UTC
+.. tags: Releases
+.. category:
+.. link:
+.. description:
+.. type: text
+-->
+
+The first release candidate for Mosquitto 2.1.0 is now available for testing.
+If no release critical issues are reported, this will become 2.1.0 on
+2026-01-26.
+
+The source and binary packages are available:
+
+* [Source](https://mosquitto.org/files/source/mosquitto-2.1.0rc1.tar.gz)
+* [Windows 64-bit](https://mosquitto.org/files/binary/win64/mosquitto-2.1.0rc1-install-windows-x64.exe)
+* [Windows 32-bit](https://mosquitto.org/files/binary/win32/mosquitto-2.1.0rc1-install-windows-x86.exe)
+* [Debian (amd64, armhf)](https://mosquitto.org/files/binary/debian) (note: the final release version will be available in the normal repository)
+* [Ubuntu (amd64)](https://mosquitto.org/files/binary/ubuntu) (note: the final release version will be available in the normal repository)
+* Snap (amd64): `snap refresh --edge mosquitto` or `snap install --edge mosquitto`