In the future, I would suggest the other direction.  Ask me or Stefan to
close the ticket at the Eglot tracker.

Anyway, I think this two-liner patch fixes the problem and doesn't have any
unintended side-effects for M-x eglot-reconnect.

diff --git a/eglot.el b/eglot.el
index ff94d5ca5f..3b1b1a9536 100644
--- a/eglot.el
+++ b/eglot.el
@@ -796,6 +796,8 @@ treated as in `eglot-dbind'."
   :documentation
   "Represents a server. Wraps a process for LSP communication.")

+(cl-defmethod initialize-instance :before ((_server eglot-lsp-server)
&optional args)
+  (cl-remf args :initializationOptions))

 ;;; Process management
 (defvar eglot--servers-by-project (make-hash-table :test #'equal)

On Sat, Sep 17, 2022 at 5:41 PM Stefan Kangas <stefankangas@gmail.com>
wrote:

> Augusto Stoffel <arstoffel@gmail.com> writes:
>
> > Yes, please close this ticket here at the Emacs tracker.
>
> Done.
>


-- 
João Távora