Published version is 2.26.115, available in the Google Play Store [LINK] and direct download [HERE].
If you'd like to help test early versions, please join the Beta program [here].
Other versions are here: [version 2.26.119 (Beta)] [version 2.26.115] [version 2.25.107] [version 2.24.93] [version 2.23.83] [version 2.22.69] [version 2.21.65] [version 2.20.59] [version 2.19.55] [version 2.18.1] [version 2.17] [version 2.16] [version 2.15] [version 2.14.2] [version 2.13] [version 2.12] [version 2.11] [version 2.10] [version 2.9] [version 2.8.2] [version 2.7] [version 2.5] [version 2.4] [version 2.3] [version 2.2] [version 2.1] [version 2.0] [version 1.9] [version 1.8] [version 1.7] [version 1.6] [version 1.5] [version 1.4] [version 1.3] [version 1.2] [version 1.1] [version 0.9]
Note: for manual install, turn on "Allow unknown sources" in Settings, manually uninstall earlier versions, then download desired version to your device and follow the prompts to install.