If you have a file that looks like a precompilation fingerprint Show archive.org snapshot , the Rails asset pipeline will not see it. So don't have filenames like this:

8e21264d-f678-4005-b90c-8d8288a0d179.ttf

Rails Long Term Support

Rails LTS provides security patches for old versions of Ruby on Rails (2.3, 3.2, 4.2 and 5.2)

The asset pipeline does not like files that look like fingerprints