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This PR changes the way we install the development versions of PennyLane, Lightning, and Catalyst (PLC) to support building from RC versions during feature freeze.

Previously, the tool would install the latest versions of PLC from test-pypi or directly from the repo. This would mean that during feature freeze the dev build pipeline would be building against the next-to-next release, rather than the release coming up. To address this, a few changes have been made to dev builds:

  • Always install PLC from test-pypi if building and executing the dev demos
  • Use a new constraints file specifically for PLC dev versions.

By pinning the upper bound of the PLC versions to be less than the next-to-next release version, the dev build pipeline will continue to use the RC pre-releases uploaded to test-pypi during feature freeze. Once the new versions of PLC are released, we can bump the dev PLC constraints long with the stable build constraints.

@doctorperceptron doctorperceptron requested a review from a team as a code owner November 21, 2025 18:14
Comment on lines +5 to +6
- cron: '0 5 * * 1,3,5' # At 05:00 (12am EST) on Sunday (Monday am), Tuesday (Wednesday am), Thursday (Friday am).
#- cron: '0 10 * * *' # At 10:00 (5am EST) on every day-of-week. Use this during feature freeze.
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Updated the old cron job to account for UTC and added a commented out cron to use during feature freeze.

@doctorperceptron doctorperceptron changed the title Build daily from testpypi Build dev from test-pypi, use RCs Nov 21, 2025
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3 participants