Good news for HTC One users on 1.54 hboot and waiting for working S-off method. XDA senior member Theshawty posted an image confirming that s-off achieved for his HTC One on 1.54 hboot , thanks to beaups, recognized developer at XDA who earlier introduced moonshine s-off for many HTC devices including HTC One and rumrunner s-off for Verizon HTC One.
Stay tuned to this thread at XDA for steps to get your HTC One on 1.54 hboot s-off’ed.
S-off has been released.
Source : HTC One Forums @ xda-developers