: Companies like AV Create and Adult Empire expanded their subtitled offerings, attempting to provide a legal alternative to the "grey market" sites that dominated the "javsub" search results.

The growth of the "javsub" keyword in 2021 also brought up discussions regarding the legality and ethics of the industry.

: Much of the "javsub" content in 2021 was the result of dedicated fan-translation groups. These groups operated on forums and private trackers, meticulously translating cultural nuances that automated tools often missed.

: There was a noticeable shift toward story-heavy productions. Subtitles became essential for these titles, which often featured complex "slice-of-life" or office-drama scenarios that rely on dialogue to build tension.