Issue Summary

Fetching from https://developer.atlassian.com/cloud/jira/platform/rest/v2/api-group-issues/#api-rest-api-2-changelog-bulkfetch-post returns inconsistencies/duplicates depending on the maxResults parameter.

Steps to Reproduce

1. Make the API call with maxResults=10000, and we observe that total changelogs and unique changelogs are same.
2. Then make the API call with maxResults=100 and we see that multiple pages return duplicate changelogs.

Expected Results

It is expected the same number of changelogs regarding of the maxResults parameter.

Actual Results

There are no issues when maxResults is set to 10000 and all records are returned in a single batch. Also, with maxResults set to 1000, all changelog history records are returned in multiple batches. However, when the maxResults is set to 100, only part of the unique changelog history record IDs are returned.

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available