Is this yellow stuff wallpaper glue? Can we just paint over it

10 Common Wallpaper Dilemmas and How To Solve Them

Why is my wall weirdly textured after 2nd coat of paint? : r/HomeImprovement

What is this wall material and how can I patch it? : r/HomeImprovement

Painting over Wallpaper Glue: Essential Advice

Best Temporary Wallpaper: 13 Affordable Peel and Stick Brands

1961 drywall? Chalky paste under wallpaper question : r/drywall

Plaster over wallpaper? : r/diynz

Cleaning month old dried paint off vinyl : r/CleaningTips

How to Make Your Own Painting Texture for Your Artwork

What is this blue/black stuff under wallpaper? : r/DIYUK