The new function "generatePronouncable" generates pronounceable passwords using the Koremutake syllabic representation. It is executed when 'Generate()' method is called with Algorithm set to 'AlgoPronouncable'. Additionally, significant changes were made to enhance the readability and performance of the 'GetCharRangeFromConfig' and 'checkMinimumRequirements' methods. In 'mode_test.go', the error message format has been updated for clear and concise display.