This bug report is a parity issue with Java.
Summary:
In the Java version, when frozen in powder snow, skeletons turn into stray, and in the bedrock version, they only receive damage.
Steps to Reproduce:
Place the skeleton in powder snow.
Wait for the skeleton to freeze.
Observed Results:
The skeleton will freeze and take damage.
Expected Results:
The skeleton will freeze and turn into a stray.
Video:
affects 1.17.0.52