We know they
separated after Ben became Kylo Ren
But are they separated but still married, or divorced?
The film's novelisations would seem to strongly indicate that they have remained married.
Husband and wife stood regarding each other for the first time in years. Amid the smoke and drifting embers, neither said a word. Emerging from behind the figure in the portal, C-3PO walked out into the scorched field to confront the motionless droid beside Han.
Left alone again, husband and wife also embraced. Han murmured over her shoulder, “I saw him. He was here.”
Once the droids were gone, husband and wife shared a moment together, alone. “You changed your hair,” Han said. She raised an eye at his outfit. “Same jacket.”
“I’ll get you there,” Han said, without hesitation.
General Organa turned to her husband. “Han, how?”
Han gave her the same crooked grin Finn had seen him give Rey. “If I told you, you wouldn’t like it.”
Moments before the command center holoscreens had relayed the detonations, she had felt the sharpest and deepest of pains. As if her heart had ruptured. Her husband. Han. He was gone. Those who knew Leia considered her to be someone who had suffered much yet had always emerged from that suffering stronger and wiser. But immersed in her present grief, Leia found no strength. She found no wisdom. She found only anguish and emptiness. She’d failed to prevent her son from succumbing to the darkness of Darth Vader. Now her husband was dead. Her brother lost.
According to Writers Guild of America (WGA) leaked script, they are still "husband and wife", meaning still married.
And standing there is LEIA.
She sees Han and is stunned. A silent beat, husband and wife reunited for the first time in years. In the smoke and embers, no one says a word.