The field of coding theory is witnessing significant developments, driven by advancements in algebraic structures and their applications. Researchers are exploring new avenues to classify and construct codes, leveraging nonassociative algebras and novel definitions of equivalence and isometry. These efforts aim to provide tighter classifications and more efficient constructions of codes with desirable properties, such as maximum distance separability and self-duality. Notably, the use of nonassociative algebras is enabling the classification of skew polycyclic codes up to isometry and equivalence, while the study of group algebras over finite chain rings is leading to new insights into additive group codes. Furthermore, the investigation of Hermitian self-dual twisted generalized Reed-Solomon codes is yielding new constructions and characterizations of these codes. Some noteworthy papers in this area include: The paper on isometry and equivalence for skew constacyclic codes, which proposes new definitions of equivalence and isometry that exactly capture all Hamming-preserving isomorphisms. The paper on Hermitian self-dual twisted generalized Reed-Solomon codes, which establishes a sufficient and necessary condition for these codes to be self-dual and presents new constructions with flexible parameters.