This is the artifact associated with the paper "Demystifying Issues, Challenges, and Solutions for Multilingual Software Development" (ICSE 2023). It contains the following material: Scrapy tool - a tool for capturing posts on StackOverflow. LDA topic model - is used to extract the development-issue-relevant topic words in posts Random sampling for the codebook - obtain some posts to generate the codebook. Random sampling for the coding process - obtains some posts for manual analysis. The datasets - were obtained through various filtering conditions in data collection process. Analysis scripts - that are used and not used in paper