Upon updated to 14.3.0, Docker could no longer build Asterisk with bundled pjproject due to a md5 verification failure with the download. Upon debugging, the size of the pjproject tarball was larger than what was expected, which accounted for the md5 failure.
In previous versions, the Makefile would toss out garbage that had been appended to the tarball:
This garbage was being appended due to the progress bar being used with curl:
Removing the progress bar and setting curl to use silent mode (-s) resolves the issue.