While investigating CVE-2021-45105, we determined that our transitive dependency on log4j was unnecessary, so we removed it.
datadog-lambda-java:1.4.3 should behave exactly the same as 1.4.2.
https://search.maven.org/artifact/com.datadoghq/datadog-lambda-java/1.4.3/jar
Latest corresponding dd-trace-java layer ARN:
arn:aws:lambda:<AWS_REGION>:464622532012:layer:dd-trace-java:4