As of my last knowledge update in January 2023, there isn't specific information available regarding "JRS Tacking." It's possible that there have been developments or changes since then, or the term might be specific to a certain context or industry that is not widely known.

If "JRS Tacking" refers to a recent development, product, technology, or any specific context, I recommend checking the latest and most relevant sources for the information you're seeking. This could include official websites, press releases, news articles, or documentation related to the subject.

If you can provide additional details or context about "JRS Tacking," I would be happy to try and assist you further based on the information available up to my last update in January 2023.