Labels

Block headers, Merkle roots, witness commitments, and block validity

Consensus validation, block connection, UTXO transition, and reorg correctness

Named constants and appendix constant tables

Protocol state, UTXO model, rule context, transitions, and invariants

Mempool admission, relay policy boundaries, package behavior, and orphan handling

Notation, hashes, identifiers, cryptographic relations, and shared symbols

Peer-to-peer messages, handshake, inventory, sync, compact blocks, and address relay

Network parameters and historical consensus exceptions

nBits, target decoding, difficulty adjustment, chainwork, and chain selection

RPC appendix and interface consistency surface

Script execution, signature messages, opcodes, Taproot, and Tapscript

Encoding rules, byte order, CompactSize, vectors, weight, and vsize

Transaction records, txid/wtxid, locktime, sequence, fees, and coinbase rules

Something isn't working

Improvements or additions to documentation

This issue or pull request already exists

New feature or request

Good for newcomers

Extra attention is needed

This doesn't seem right

Consensus-critical or highly visible issue

Important correctness, usability, or publication issue

Minor cleanup or polish

Further information is requested

Needs technical review before merge

Needs a primary source, BIP, or Bitcoin Core reference before acceptance

LaTeX, PDF rendering, assets, Makefile, or generated output

Source references, BIP citations, Bitcoin Core evidence, or bibliography work

Text that needs clearer wording without changing intended behavior

Incorrect, incomplete, or misleading specification text