Hence, you don't need to agree on writing a maturity essay separately with your supervisor.
When you submit your thesis with an abstract completed according to the instruction in the master's thesis template, your maturity essay is considered done.
The supervisor of the thesis can also work as the advisor.
At the beginning of the thesis process, the supervisor and the student (and possibly advisor(s)) should organize an initial master's thesis meeting (template here).
Your supervisor will write the evaluation statement on the basis of this electronic version.
Also this version is the one that will be evaluated by the degree programme committee.
The topic is valid for one year from topic approval.
In order to have your Master's thesis approved: Please make sure that the electronic version submitted in the application is the final and corrected version of your thesis.
The evaluation of the Master's thesis is based on the School of Electrical Engineering common When submitting the application for the thesis approval you must indicate if you have already held the seminar presentation or inform the agreed date of the presentation.
The presentation must be held by the date of the degree programme committee where the thesis is approved.