haha just totally rabbit holed it, shaved that yak so hard even @Mark Drew (he/him) would blush started out by trying to create a testcase for stringbuilder for bytecode https://luceeserver.atlassian.net/browse/LDEV-2712 ended up with https://luceeserver.atlassian.net/browse/LDEV-4601 https://luceeserver.atlassian.net/browse/LDEV-4602 https://luceeserver.atlassian.net/browse/LDEV-4603 turns out https://luceeserver.atlassian.net/browse/LDEV-2712 helps a lot, but parsing larger cfml files still does seem to get exponentially slower