It’s unclear exactly what “http qlcd3utezilsips2onion patched” refers to — it looks like a fragment that might involve:

The 16-character string "qlcd3utezilsips2.onion" refers to a legacy v2 onion address that was decommissioned in October 2021 following the Tor Project's transition to more secure v3 addresses. These older services were retired due to security vulnerabilities, rendering this specific link inactive on current Tor browsers.

The v3 address format (56 characters) was introduced to fix many issues that plagued v2, including:

: A special-use domain that provides anonymity by routing traffic through multiple encrypted layers.

The identifier qlcd3utezilsips2onion was assigned to the patch to track the specific code correction applied to the HTTP stack.