SputnikVM, also called evm, is a Rust implementation of Ethereum Virtual Machine. A custom stateful precompile can use the "is_static" parameter to determine if the call is executed in a static context (via "STATICCALL"), and thus decide if stateful operations should be done. Prior to version 0.36.0, the passed "is_static" parameter was incorrect -- it was only set to "true" if the call came from a direct "STATICCALL" opcode. However, once a static call context is entered, it should stay static. The issue only impacts custom precompiles that actually uses "is_static". For those affected, the issue can lead to possible incorrect state transitions. Version 0.36.0 contains a patch. There are no known workarounds.