The core premise and emotional driver remain traditional teen/young adult romance without systemic oppression narratives or critiques of patriarchy or traditional norms. However, the season inherits deliberate changes from prior seasons and the source books: Belly's race was altered from white in the novels to half-Korean with an Asian mother (Jackie Chung), and Jeremiah was made bisexual rather than straight.

A nonbinary character, Skye, introduced in season 2, is absent here, with only minor references to Jeremiah's bisexuality appearing as occasional jokes. Creator Jenny Han has stated the diversity additions were intended to reflect contemporary times and showcase Asian-American talent in a natural-feeling way.

These elements influence casting and character backgrounds but do not drive the narrative or subplots. Audience discourse centers overwhelmingly on the romance and fan shipping rather than ideological messaging, with backlash primarily involving bullying over character choices rather than progressive content.