The Robin Romance Mod

This mod makes Robin datable and able to be married. It does so through making her a Custom NPC. Robin is now divorced from Demetrius and living with Leah. Her sister Veronica will replace Robin at the carpentry shop. Courtesy of Shadowfire1223, Veronica now has nice sprite/portrait artwork.

If Veronica is a dealbreaker, disable her in the config menu (if you have Generic Mod Config Menu) or the config file: This will simply add Robin as above but without Veronica. This means the normal Robin will continue to appear in the game aside the new Robin with no mention of each other. The datable Robin's birthday will be shifted by 1 day (Fall 22).

Look under Docs, or head to the official Stardew Valley Forums, to find the Robin Romance Guide, detailing how to trigger heart events, gift preferences, etc. Be warned that it may contain spoilers for the mod!

Mod Compatibility

Generally compatible with almost any mod. If a mod affects Robin specifically (sprites & portraits usually), and is not made to support Robin Romance, you will need to edit the mod to prevent it from applying to Veronica (sometimes deleting the sprites/portraits is sufficient). All mods that don't support this mod and target "Robin" target Veronica in this mod, not Robin (the custom NPC that you can romance). This also means that dialogue that targets Robin will affect Veronica in theses situations and may break some lore/continuity within this mod.

Stardew Valley Expanded, Pregnancy Choice (coming soon), and Gender Neutrality mods fully supported. Also has support for Bachelor/Bachelorette gender swap mods (use the config options to set their names). The mod runs fine with Expanded, but as they update their mod, there may be new changes that aren't incorporated within this mod, especially in regards to Veronica.

If you have custom dialogue for various NPCs (Demetrius, Maru, etc.) and this mod seems to be interfering, try disabling the RRomanceAdditionalDialogue config option. Most of the other NPCs are being altered through the use of that part of the mod, though there are a few stray lines in the various content.json in the Robin Romance and Veronica files.

I was unable to obtain full permissions (I did receive it from some modders, but not others), so I have no ability to support seasonal outfits for this mod. Please don't ask.

Shadowfire1223

created the new Veronica portraits and sprites, as well as an alternate spritesheet for Robin complete with a unique wedding dress. Check out their profile here.

Warhorse

for proofreading the mod and helping with not only testing events for me, but spelling, grammar, and wording errors.