What advancements has Bitcoin Cash made to the Bitcoin Script virtual machine?

Since Bitcoin Cash split from BTC, it has upgraded the Bitcoin Script VM in numerous ways. Such improvements include numerous reenabled opcodes, many new opcodes, malleability fixes, Schnorr signatures, Schnorr signatures for multisig, multiple OP_RETURNs, 64-byte integer support, native introspection, and CashTokens (native consensus-enforced UTXO fungible and non-fungible token primitives and related opcodes). You can find a comprehensive list of all Bitcoin Cash upgrades here while this Stack Exchange answer lists only the changes to the Bitcoin Script VM.

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