Update 0.991 is out! - Gemini OBC updates, lot's of fixesSat, 14 January 2023
The 0.991 update is all about fixing issues and improving existing systems. It comes packed with multiple fixes and aims to improve the overall experience while playing Reentry - An Orbital Simulator. The major changes are bug fixes across all programs, the introduction of UI scaling, and some great improvement to the Gemini Onboard Computer.Note: If you are experiencing issues with this update, you can always revert to an earlier build using the Steam Betas Tab.
Gemini Computer updatesThe Gemini Onboard Computer (OBC) has received some major changes and will break some of the procedures you are used to. The Gemini Computer and Gemini Burns lessons has been updated to reflect the changes.

In short, the COMP light is used as a cue to when you should execute the burn. After the planned burn parameters has been inserted into the computer and the catch-up program enters its closed-loop functionality (basically everything is set up for the burn), the COMP light will extinguish 2 minutes before the burn, and illuminate again when you should execute the burn. This can be used together with/replace the use of the Event Timer for Gemini Burns.

The MDIU (Gemini Display) has also become more realistic by spending time (up to 3,5 seconds) to display data, and plays a sound effect as the dials rolls to the target value.
The Memory Core map checklist has been updated, as well as the checklists for burns (circularize and rendezvous). Most importantly, you will need to use Core 84 as the time to ignition if you need this, but its recommended to use GET from Ground, or the time from the PAD to know this.

You will need to press CLEAR before any new input string to the OBC (should already be a habit), and new logic will reset the display (all digits return to zero) if you enter a string incorrectly (exactly 2 digits for READ OUT and 7 digits for ENTER). Computer lesson will walk you through this as well.
I have also started to convert a lot of the internal data and messages shown on the OBC from metric to imperial (nmi alt etc).
UI ScalingThis is the first iteration of a UI scaling solution and provides you the capability to change the size of the UI. Currently it can be changed from the Main Menu -> Settings, and lets you scale it between 0.5x to 2x. The scaling will affect most of the in-game elements, and once I see if the system is working, I will apply this to the rest as well.
Apollo ECS timescale stabilityI have improved the stability of the Command Module ECS, the Lunar Module ECS and the CSM Fuel Cells during time scaling. This should trigger less master alarms and false warning lights while time scaling. It requires more work but its a good start.
Gemini OAMS and jet thruster updatesI have been fixing the Gemini OAMS and jets when it comes to logic and fuel consumption.
Mercury attitude during entryI have applied a similar logic to Mercury as both Gemini and Apollo has, where the Mercury capsule should follow its aerodynamic attitude during atmospheric flight.
Critical fixesThe full list of changes can be seen in the bottom of this post but I wanted to highlight some of the more critical bug fixes this update will address.
1. Stuttering
The dynamic skybox caused stuttering at frequent intervals during pad operations. This has been addressed and fixed.
2. S-IVB rotating when extracting the LM
The Apollo Saturn S-IVB stage rotates independently from the CSM as the CSM is docked with the Lunar Module, while the Lunar Module is attached to the S-IVB. This looks strange but also prevents you to extract the Lunar Module.
3. More comms during Mercury pad operations
After watching the streams from Raiz Space as he was playing Mercury, I wanted to improve the comms and feedback while performing ground operations. I have added more messages and feedback as you switch to internal power and perform abort tests.
4. Checklist Guidance System fixes
I have fixed bugs and issues on the Checklist Guidance System. Specifically one bug worth mentioning was that when you press RUN on a checklist, the first switch would not be visible and you would need to either clear the checklist or find it yourself. This has been fixed, finally. Also fixed so that the highlighter would stop showing a spring switch as an "error" because it springs back from for example UP to MIDDLE.
5. Fixed the coloring of the Lunar Module Guidance Computer display warning lights and made the CO2 gauge functional again. Also improved the Lunar Module light test logic.

6. Updates to the Gemini lock on radar and ranging, and made the suit/cabin temperature selectors between the seats functional.

7. Corrected so that the 0.05G light in Mercury is green, and not red.
THANK YOU!!I'm very happy with what the game has evolved to become, and it's already way beyond what I ever imagined the title would become when I first started out back in 2015. This is all thanks to the invaluable feedback and active participation of you, our dedicated player base and community. With over 2,500 members on the Official Reentry Discord server and 1,500 subscribers on YouTube, I'm grateful to have each and every one of you alongside me in shaping this game. Thank you!
What you now see in the 0.9 patches will be close to what you can expect for Reentry - An Orbital Simulator 1.0. I have a solid fundament of all the core systems needed for the Mercury, Gemini and Apollo missions and the tech to support a lunar mission with a landing on the Moon, including lessons and campaigns to well cover all of the crafts. However, this is a dynamic product, meaning that 1.0 is just the beginning of the journey towards 2.0. After the 1.0 milestone and the removal of the Early Access flag, the focus will remain on improving what the game currently is, while also introducing completely new features and space crafts to the game. If you are curious about the Early Access foundation for the game, I recommend you to read the Early Access interview accessible from the games page on Steam.
So again, thanks to everyone who have been reporting issues, providing feedback and testing the game, and a special shoutout to the community and the Test Pilots!
Apollo 9 in real-time in the "Project Apollo - NASSP" add-on for OrbiterXPBoeing is currently performing the full Apollo 9 mission in NASSP for Orbiter live on YouTube. If you are interested in learning more about the Apollo Command Module and the Lunar Module, this guy plays the entire Apollo 9 mission in real-time (yes, many days) following the sleep schedule and the real flight plan astronauts and mission control used during Apollo 9 over 50 years ago. There is a lot to learn here for those who want to dive into Apollo.
You can see the videos here:
0.991 release notesMade so that the Gemini COMP light gives you a cue to when you should burn. It will now extinguish 2 minutes before a planned burn, and illuminate when the burn should start.
Remade the MDIU logic. Digits will now spin in sequence and make some noise as irl.
Changes to the OBC:
--> Clear needs the be pressed before inserting a new string of data (2 digits for READ OUT, 7 for ENTER)
--> The INPUT will CLEAR if you try to enter an illegal input string (it is required to input 2 digits for READ OUT and 7 for ENTER, no less, even if the next digits would complete your input string.
Fixed the issue that made the S-IVB rotate even when docked with the LM as it's still attached to the LV
Fixed the Apollo CM pre-flight states (basically the panel state used in for example the T-25 min state)
Mercury: Added more comms/messages when executing pre-flight tasks like abort capability test
Fixed some bad stuttering in the Apollo CSM during pad operations
Updated the Gemini MEMORY CORE checklist
Converted some of the internal values in the Gemini OBC from metric to imperial
Corrected bug that occasionally prevents the Checklist Guidance System to highlight first switch when running a checklist
Updated the Gemini Burn tutorial to mention the new use of the COMP light before a burn
Updated the Gemini OBC tutorial to reflect the new OBC MDIU changes
Updated the coloring of the Lunar Module LGC warning lights
Initial stabilization of the CSM ECS during timescale
Initial stabilization of the LM ECS during timescale
Fixed the CO2 gauge in the Lunar Module
Updates to the Gemini Radar and its Lock-On light
Fixed so the material on the light bulbs in Gemini works again
Minor updates to the Gemini ECS system
Added the Gemini Suit/Cabin temp selector (between the seats, center)
Updates to the Lunar Module academy lesson 1 - ingress and lesson 2 - activation to correct the initial panel state and lesson logic
Fixed so a mission command that requests a switch (highlighter shows) will be removed when the switch is correctly set
Fixed so that the highlighter would stop showing a spring switch as an "error" because it springs back from for example UP to MIDDLE.
Updated the logic behind the CM and LM light-tests and caut lights in the Lunar Module
Updates to the CSM and LM ECS systems
Fixed more typos here and there
Fixed the red/amber 0.05 g light in Mercury, it should be green
Generic Canvas Scaling setting
Gemini OBC core updates. Procedures should be changed and the core memory map should be updated, along with missions and lessons.
IMU STBY/OPER timer issues corrected
Lot's of LM lesson 5 and 6 updates
COAST -> COAS texture change in the CM LEB
Apollo LES thrusting updates
Checklist Editor step rendering info updates
Added a Description field to the checklist that will make it easier to read the file manually (json)
Overhaul of the OAMS fuel system
Overhaul of the OAMS jet system
Updates to the Gemini OBC Cores
Gemini Star Rendering updates
Reversed the CSM FWD HATCH PRESS EQUAL vlv
Lunar Map ap/pe flag labels set to apolune and perilune
Mercury dynamic entry attitude updates
Doubled the resolution of panel 225, 226 and 229 in the CSM