US Patent 11803371 Symbol-matching between software versions

Disclosed herein are techniques for matching symbols between code sets. Techniques include accessing a first symbol associated with a first version of software; accessing a second symbol associated with a second version of the software; comparing the first symbol to the second symbol; determining, based on the comparing, whether the second symbol is a functional equivalent of the first symbol; and performing a designation action based on whether the second symbol is a functional equivalent of the first symbol.