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BitPush
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BitPush is an esolang created by MJM (homepage), and first publically described in 2021 on User:Truttle1's discord server. Code and data are both stored on an array of stacks of bits.
The following is the original description, word-wrapped to 60 columns:
BITPUSH Bitpush data is contained within blocks of binary, which are executed in sequence. Bitpush source code is put into the first block before execution. All other blocks start empty. When the block pointer reaches an empty block, the program will halt. The instructions are as follows: 0J Jumps to the beginning of the specified block, where J=0 is the previous block and J=1 is the next block. 1DJ Inserts bit D at the beginning of the specified block, where J=0 is the previous block and J=1 is the next block.