Add Mojo 0.26.1.0

[d5ng4i]

changelog

cc: @Ahajha

[Ahajha]

It won't let me comment on the line, but can you change the index URL line to:

--extra-index-url https://whl.modular.com/nightly/simple

We moved all of our nightly packages to a new registry. Not strictly necessary for the 0.26.1.0 change though.

[Ahajha]

Thanks!

[github-actions]

Build Required

The following additions require CE to build artifacts before deployment:

• cpp.yaml: compilers/c++/cross/gcc/avr 13.2.0 (type: s3tarballs)
• cpp.yaml: compilers/c++/cross/gcc/avr 13.4.0 (type: s3tarballs)
• cpp.yaml: compilers/c++/cross/gcc/avr 14.1.0 (type: s3tarballs)
• cpp.yaml: compilers/c++/cross/gcc/avr 14.2.0 (type: s3tarballs)
• cpp.yaml: compilers/c++/cross/gcc/avr 14.3.0 (type: s3tarballs)
• cpp.yaml: compilers/c++/cross/gcc/avr 13.1.0 (type: s3tarballs)
• cpp.yaml: compilers/c++/cross/gcc/avr 12.5.0 (type: s3tarballs)
• cpp.yaml: compilers/c++/cross/gcc/avr 15.2.0 (type: s3tarballs)
• cpp.yaml: compilers/c++/cross/gcc/avr 12.2.0 (type: s3tarballs)
• cpp.yaml: compilers/c++/cross/gcc/avr 12.3.0 (type: s3tarballs)
• cpp.yaml: compilers/c++/cross/gcc/avr 12.1.0 (type: s3tarballs)
• cpp.yaml: compilers/c++/cross/gcc/avr 12.4.0 (type: s3tarballs)
• cpp.yaml: compilers/c++/cross/gcc/avr 15.1.0 (type: s3tarballs)
• cpp.yaml: compilers/c++/cross/gcc/avr 13.3.0 (type: s3tarballs)

Please ensure these have been built and uploaded to S3 before merging, or coordinate with the CE team.

Build Commands

gh workflow run bespoke-build.yaml -f image=gcc -f version=13.2.0 -f command=build.sh
gh workflow run bespoke-build.yaml -f image=gcc -f version=13.4.0 -f command=build.sh
gh workflow run bespoke-build.yaml -f image=gcc -f version=14.1.0 -f command=build.sh
gh workflow run bespoke-build.yaml -f image=gcc -f version=14.2.0 -f command=build.sh
gh workflow run bespoke-build.yaml -f image=gcc -f version=14.3.0 -f command=build.sh
gh workflow run bespoke-build.yaml -f image=gcc -f version=13.1.0 -f command=build.sh
gh workflow run bespoke-build.yaml -f image=gcc -f version=12.5.0 -f command=build.sh
gh workflow run bespoke-build.yaml -f image=gcc -f version=15.2.0 -f command=build.sh
gh workflow run bespoke-build.yaml -f image=gcc -f version=12.2.0 -f command=build.sh
gh workflow run bespoke-build.yaml -f image=gcc -f version=12.3.0 -f command=build.sh
gh workflow run bespoke-build.yaml -f image=gcc -f version=12.1.0 -f command=build.sh
gh workflow run bespoke-build.yaml -f image=gcc -f version=12.4.0 -f command=build.sh
gh workflow run bespoke-build.yaml -f image=gcc -f version=15.1.0 -f command=build.sh
gh workflow run bespoke-build.yaml -f image=gcc -f version=13.3.0 -f command=build.sh

[mattgodbolt]

Hopefully this will fix:
:)

2026-02-08 16:44:21,458 lib.ce_install  INFO     compilers/mojo 0.25.7.0 is already installed, skipping
Installing compilers/mojo/nightly nightly
ERROR: Could not find a version that satisfies the requirement mojo (from versions: none)
ERROR: No matching distribution found for mojo
2026-02-08 16:44:25,126 lib.ce_install  INFO     compilers/mojo/nightly nightly failed to install: Command '['/tmp/ce-cefs-temp/staging/6c7a435f-325c-47a2-a083-6a9d23c069e9/mojo-nightly/bin/pip', '--no-cache-dir', 'install', '--index-url=https://dl.modular.com/public/nightly/python/simple/', 'mojo']' returned non-zero exit status 1.
Traceback (most recent call last):
  File "/home/ubuntu/infra/bin/lib/ce_install.py", line 763, in install
    installable.install()
  File "/home/ubuntu/infra/bin/lib/installable/python.py", line 122, in install
    self.stage(staging)
  File "/home/ubuntu/infra/bin/lib/installable/python.py", line 110, in stage
    self.install_context.check_output([str(venv / "bin" / "pip"), "--no-cache-dir", "install", *packages])
  File "/home/ubuntu/infra/bin/lib/installation_context.py", line 396, in check_output
    output = subprocess.run(
    ```

[mattgodbolt]

It does! :)