Latest version in the Debian repository is 2.4.2. Latest version overall is 3.0.4. Audacity first updated from version 2.4.2 on March 17th this year, and since has released more updates. The first update after 2.4.2 fixed over 160 bugs. Please update this as soon as possible. Thank you for your time and dedication.
https://packages.debian.org/sid/audacity https://github.com/audacity/audacity/releases
