Difference between 想象 and 想像
规范 dictionary’s definition of 想像 has the following note:

现在一般写作“想象”。
注意 全国科学技术名词审定委员会和国家语言文字工作委员会已确定“想象”为推荐词形。

Which basically says that the word is usually written 想象 &amp; that 想象 is the recommended “spelling.”