The Bank of Japan was expected and has maintained its key interest rates at today’s meeting, continuing to defend low rates with bond-buying but is uber dovish and pessimistic in its guidance.
The yen is now pushed above 129 the figure and that is where it will need to stay for a convincing prospect of a continuation for the foreseeable future.
What we know so far, as comments and statements are dripped fed through the wires vs Reuters as follows...
More to come...
Prior to the decision, the yen was on the backfoot, testing hourly resistance:

The pair was already breaking the ceiling of the bull-flag n the daily chart:

Meanwhile, the yen has dropped and is now through 129 the figure, scoring a high of 129.47 so far:

BoJ Interest Rate Decision is announced by the Bank of Japan. Generally, if the BoJ is hawkish about the inflationary outlook of the economy and rises the interest rates it is positive, or bullish, for the JPY. Likewise, if the BoJ has a dovish view on the Japanese economy and keeps the ongoing interest rate, or cuts the interest rate it is negative, or bearish.