Frequency of Lightroom Classic releases
Adobe releases a new version of Lightroom Classic every 52 days (7.4 weeks) on average.
It releases a version supporting new cameras every 61 days (8.7 weeks) on average.
It releases a new major version (12.0, 12.1, 12.2, ...) every 65 days (9.3 weeks) on average. New features (as opposed to bug fixes) are usually released in major versions only.
These averages exclude version 9.3, released on 6/16/20, 126 days after 9.2, which was at the beginning of COVID-19 as companies scrambled to adjust.

