I was wondering if the following can be done in a plugin already:
This is usually done by visiting the group page, for example, here’s our team group on meta
I am aware of that option but in this particular case the threads can get really really long at times and it would be really helpful to just have a way to skip to the next dev post. 
now that they are using discourse i was wondering if this “jump to next dev post”, which on the old forums only worked for the first, could be implemented properly.
You can also do this by simply clicking a user avatar anywhere in the topic and pressing the “filter” button, which filters the topic to just posts by that user.
A common place to do this is at the top of the topic at the topic summary …
… but it works anywhere you see a user avatar in a topic
So does this mean technically it is not possible to implement the feature right now?
It is possible to implement, but it would be a custom feature in a custom plugin. It is super specific to your particular use case.
i know. but knowing that it would be possible is a good start.
Human kind can put a man on the 
I am pretty sure a plugin can be written to introduce a custom topic filter.
It would not be a trivial plugin, would probably take a week of work.
このスレッドに復活投稿します これについても。私が探している、あるいは Blizzard のフォーラムから再現しようとしている機能と完全に一致するためです。
彼らには「追跡済みへジャンプ」ボタンがあり、スレッド内の次の「公式スタッフ投稿（Blue Post）」へ移動できます。これはおそらく、以前の投稿で設定した カスタムグループ に基づいて次の投稿へジャンプするだけのボタンだと思われますが、間違っていたら教えてください。
単に少しのガイダンスを求めているだけです。そのようなカスタムコードや属性をどこに配置すればよいか分からないためです。お時間とご閲覧いただき、ありがとうございます！
例:
