1. A method comprising: identifying a first code configuration formed by a combination of an original behavioral code portion, an original user interface style code portion, and an original user interface structural components portion, wherein the first code configuration implements a first UI feature, wherein the original user interface structural component portion comprises HTML markup, and wherein the original user interface style code portion comprises CSS code, and wherein the original behavioral code portion comprises JavaScript; generating a second code configuration that implements a second UI feature, the second code configuration formed by a new behavioral code portion, a new user interface style code portion, and a new user interface structural component portion, wherein the second code configuration implements the second UI feature; and releasing a third code configuration that emulates an appearance of the first code configuration with the second UI feature from the second code configuration, the third code configuration formed by new behavioral code portion, an emulation of the original user interface style code portion, and at least one of: (1) an emulation of the original user interface structural component portion or (2) the new user interface structural component portion.