The most common and most likely answer to this crossword clue is the 11 letter word TRANSFORMER
I've seen this crossword clue in The Sunday Telegraph
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More clues leading to the result TRANSFORMER
Buddy explains!
The straight part
We know that "Maker of current changes" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case maker of current changes = transformer.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does TRANSFORMER mean?
TRANSFORMER noun- (toys) A toy in the Transformers toyline which has mechanical parts that allow it to be altered in appearance from its original form as a humanoid robot action figure to another form, usually a vehicle, depending on the toy.
- One of the characters in the Transformers franchise who is an alien humanoid robot that can mechanically alter its appearance, or "transform", into a vehicle, creature, or (rarely) a tool.
- Something that transforms, changing its own or another thing's shape.
- A static device that transfers electric energy from one circuit to another by magnetic coupling. Their main use is to transfer energy between different voltage levels, which allows choosing most appropriate voltage for power generation, transmission and distribution separately.