love.graphics.setIcon Removed in LÖVE 0.9.0 Moved to the love

World:getAllowSleeping Available since LÖVE 0.8.0 This method is not supported in earlier versions. Removed in LÖVE

WheelJoint:setSpringFrequency Available since LÖVE 0.8.0 This method is not supported in earlier versions. Sets a new spring frequency.

Mesh:isAttributeEnabled Available since LÖVE 0.10.0 This function is not supported in earlier versions. Gets whether a specific vertex attribute

CircleShape:getWorldCenter Removed in LÖVE 0.8.0 This method is not supported in that and later versions. Get the center of the circle in world

Contact:setRestitution Available since LÖVE 0.8.0 This function is not supported in earlier versions. Sets the contact restitution.

love.image.newEncodedImageData Removed in LÖVE 0.8.0 This function is not supported in that and later versions. Encodes ImageData.

love.system.getOS Available since LÖVE 0.9.0 This function is not supported in earlier versions. Gets the current operating system. In general

SpriteBatch:lock This has been changed to SpriteBatch:bind

MouseJoint:setDampingRatio Available since LÖVE 0.8.0 This method is not supported in earlier versions. Sets a new damping ratio.