1. Create a new script in inventory (not a prim):
default { state_entry() { llOwnerSay(llGetScriptName()); } }
  1. Select Compiler > LSL Mono
  2. Save
  3. Close and re-open the script
  4. Compiler now says "LSL 2025 VM" (incorrect)
  5. Drop the script in a prim
  6. Open the script in the prim
  7. Compiler now says "LSL Mono" (correct)
"LSL Legacy LSO2" also has this issue. "LSL 2025 VM" and "SLua" do not