When the storm subsides: what happened to grassroots initiatives assisting refugees?

Back in 2015, cardboard placards bearing the words ‘Refugees Welcome’ that were shown in public spaces became an important way for ordinary European citizens to demonstrate solidarity with refugees and other migrants arriving en masse in Europe at the time. Citizen-led initiatives staffed by volunteers mushroomed, providing crucial assistance to refugees when humanitarian organisations were surprised and overwhelmed. But has something changed over the years as the amount of refugees entering Europe became smaller? What happened to these smaller grassroots initiatives as state and professional humanitarian actors gradually took over?