This likely refers to specific 2021 re-releases, high-definition (HD) encodings, or platform tags used by third-party sites to categorize recent uploads. Where to Watch Legally
If you are looking for this film via "11xmovies" or similar piracy sites: 11xmoviesmomin like flynn 2018 dual audio h 2021
: This usually designates a high-definition (HD) version or a specific 2021 digital upload. Official Viewing Platforms high-definition (HD) encodings