Reiomy In addition to Inkstone, you can directly upload your chapters through the Webnovel application. Of course, the features in Inkstone are more detailed, but if you just want to upload a finished chapter and change a few minor details, you can do so more easily through the application.
It appears that you have misunderstood. Webnovel hasn't really added a feature to change writing fonts, such as bold fonts, light fonts, etc, so it's not Inkstone's fault. Another piece of advice from me. Never use Chinese, Japanese, or Korean words [characters] in your story, or your book will be banned.