For issues you find with the Switch and Console releases, please follow this link and give as much detail as possible. This is the speediest way to get info to Pipeworks and get a hotfix in the works.
For issues you find with the Mobile 1.3 update, please follow this link and give as much detail as possible. This is the speediest way to get info to DR Studios to look at your issue. Also, some troubleshooting hints here.
Also,what if you make a mini-"biome"?,like a laboratory where you can find some upgrades,the laboratory could have a lot of "futuristic" traps,(turrets that fire a laser,pipes or tubes that spawn enemies,etc).You can find chests with some boss summoners or even the metroid capsules
I have another suggestion,What if you make X-parasites(with variations)spawn in all biomes?,you can absorb them with the fusion suit(like @Kojiro_S says).They can heal 20/10 of health (10 on expert mode),and the healing mechanic is disabled if you fight a boss (to avoid exploiting or taking...