The 13 JP Morgan ETFs are now restored to the constituentdata42.csv file as follows:

JPMorgan Disciplined High Yield ETF JPHY Global Fixed Income ETF
JPMorgan Divers Ret Eurp Ccy Hdgd ETF JPEH Commodity Based ETF
JPMorgan Divers Ret Intl Ccy Hdgd ETF JPIH Global Equity ETF
JPMorgan Divers Ret US Mid Cp Eq ETF JPME US Equity ETF
JPMorgan Divers Ret US Small Cap Eq ETF JPSE US Equity ETF
JPMorgan Diversified Alternative ETF JPHF Global Equity ETF
JPMorgan Diversified Return Eurp Eq ETF JPEU Global Equity ETF
JPMorgan Diversified Return Glbl Eq ETF JPGE Global Equity ETF
JPMorgan Diversified Return US Eq ETF JPUS US Equity ETF
JPMorgan Diversified Rt Intl Eqty ETF JPIN Global Equity ETF
JPMorgan Global Bond Opportunities ETF JPGB Global Fixed Income ETF
JPMorgan Ultra-Short Income ETF JPST US Equity ETF
JPMorganDiversified Return Emerging Markets Equity ETF JPEM Global Equity ETF

They did not make this easy.  Sometimes ETF sponsors forget that unusable data is worthless and they will ultimately pay the price where it hurts most.  PDF holdings lists are unusable to most users.