CoinVoice has recently learned that according to the official latest information, Fractal Bitcoin said that the Fractal version of ord has been released with source code (a variant of the Bitcoin mainnet ord). This implementation is designed to help developers build specifically for Ordinals on Fractal, and all changes will take effect at block height 21,000.

It is reported that the main modifications of the Fractal version of ord compared with the Bitcoin mainnet are: ordinal activation is set at block height 21000. Rune activation is set at block height 84000, and the ticket name setting is adjusted from AZ of the Bitcoin mainnet to az of Fractal. The sats index is adjusted to reflect the difference in total supply between Fractal and Bitcoin.

All changes will take effect at block height 21000. [Original link]