After using A Nether portal to get new chunks for 1.17.0 for the second time,as it was working just fine the first time butthe second time  the Nether portal has been teleporting me to a random location with no portal or with one randomly at times and all portals are broken after using them once each having a different spawn for each, this bug keeps getting fixed and returning please fix this guys Flying to New chunks has been the only workaround.