- Optimized performance. - Fixed an issue where the distance between cars would increase on the default map.

- Optimized performance. - Fixed an issue where the distance between cars would increase on the default map.

- Add-on Emissive Color and Additive Blend are now supported. - Add-on Couplers and Bogies are now supported, and default spacing between cars has been applied. - Fixed an issue where B3D objects were not being loaded. - Fixed an issue causing some texture mappings to appear corrupted. - Fixed issues where curves/gradients were missing and stop positions were incorrectly configured.

- Partial support for Add-on animations has been added. - Route Include is now supported for Add-ons. - The object placement method during Add-on execution has been improved, significantly increasing loading speed and optimizing memory usage. - Fixed an issue where Korean text was displayed incorrectly in the Add-on list, and the list is now sorted alphabetically. - Fixed an issue where some motor sounds were played incorrectly. - Fixed an issue where some objects were missing.

- Partial support for Add-on animations has been added. - Route Include is now supported for Add-ons. - The object placement method during Add-on execution has been improved, significantly increasing loading speed and optimizing memory usage. - Fixed an issue where Korean text was displayed incorrectly in the Add-on list, and the list is now sorted alphabetically. - Fixed an issue where some motor sounds were played incorrectly.

- Memory usage has been optimized. - Added a Texture Size setting. (Use this when running large Add-ons.) - Added car movement functionality to the External Camera. (See the tutorial for controls.) - Added two-finger pinch zoom controls to both the Cab Camera and External Camera. - Fixed an issue where station movement was not possible after restarting. - Applied a minimum stop time of 15 seconds during Auto Drive for Add-ons without a timetable. - Fixed an issue where the next speed limit message would appear even when no upcoming speed limit existed.

Hmmsim 2 has been reborn with Unreal Engine. - Dynamic Sky / Shadow Hmmsim Legacy features dynamic skies and shadows. This feature is available not only in the default maps, but also in Add-ons. You can also adjust the sun’s position and angle in the game to create morning or evening scenery. - Headlight Headlight effects have also been added to Hmmsim Legacy. This allows for a more immersive experience when driving in dark areas. - Add-on Hmmsim Legacy natively supports BVE Add-ons. No conversion process is required anymore, and Add-ons can be added simply by compressing them into a ZIP file. Support for the iOS Files app also makes adding Add-ons even more convenient.

This update from Apple will improve the functionality of this app. No new features are included. 1.2.7 - Added Tutorial - Added Japanese language - Fixed Diagram bug

1.2.6 - Added Announcement sounds - Fixed Diagram bug

1.2.5 - Fixed Time bug - Fixed Diagrams

1.2.3 - Added Diagrams - Added Trains - Added Auto drive - Added German language - Improved Manual - Abolished Score mode

1.2.2 1. Outer view improved 2. Train object bug fixed

1.2.1 1. Activate the basic manual 2. Fix the texture error of the Animated object 3. Fix the error of BVE station position 4. Fix the error of BVE Ground, Pole arrangement