# Rain World Patch Notes 1.11.5 - Improving Performance Optimizations - Product: Rain World (https://whatsnew.fyi/product/rain-world) - Vendor: Videocult - Date: 2025-12-17 - Original notes: https://store.steampowered.com/news/app/312520/view/532118242491105958 - Permalink: https://whatsnew.fyi/product/rain-world/releases/2025-12-17-patch-notes-1.11.5-improving-performance-optimiza What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog. Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'. --- - **fixed** — Fixed a large number of memory leak issues that could lead to the game crashing randomly over an extended play session, especially on the Nintendo Switch version - **changed** — Made a large number of miscellaneous performance optimizations that should improve frame rates with some creatures or in certain areas of the game - **fixed** — Fixed color palettes rendering incorrectly inside ripple rifts and within the Migration Path region on the Nintendo Switch version - **fixed** — Fixed flashing graphical artifacts that could randomly occur on the Nintendo Switch version in the presence of Sentient Rot floater particles - **fixed** — Fixed graphics sometimes glitching out for a single frame, or sand terrain colors glitching for a single frame, when switching between rooms or screens on the Nintendo Switch version - **fixed** — Fixed some graphics and particle effects unintentionally rendering with solid square borders on PlayStation and Nintendo Switch versions - **changed** — Warp points now pull important key items from a larger radius so there's less chance of them accidentally getting left behind - **fixed** — Relocated a couple player-generated warp target destinations so they won't ever spawn above bottomless bodies of water that can swallow player's important items after traveling through the warp - **fixed** — Fixed pearls not getting brought through the portal into Ancient Urban sometimes - **fixed** — Fixed the map icon still showing a region as being rotted even after all rooms in that region have had their rot purified - **fixed** — Fixed rot lizards still remaining as rotted on subsequent cycles even after the rot has been purified from the room they spawned in - **fixed** — Fixed the Prince not giving the player the mark during Watcher's final ending sequence if the game was set to certain languages - **fixed** — Fixed additional issues with key item trackers that could cause the game to crash if loading into a room adjacent to another room with a tracked key item - **fixed** — Fixed rooms containing void spawns crashing the game in Jolly Co-op mode if Player 1 got killed in a way that despawns their corpse - **fixed** — Fixed the Friends Sheltered counter on the statistics screen always incrementing every cycle when Jolly Co-op is enabled, even if a friend wasn't sheltered that cycle - **fixed** — Fixed an occasional crash with Drill Crabs due to their data in the save file being saved incorrectly - **fixed** — Fixed adult and baby sandgrub spawning working improperly in Sandbox mode, where the number of adults and babies placed didn't match the amount that actually spawned - **fixed** — Fixed two of the dens in the Drill Site arena being impossible to enter - **fixed** — Fixed the player needing to visit the Prince throne room more times than necessary if they had previously visited the throne room with an insufficient ripple level - **fixed** — Tweaked light sources in underwater sections of Fetid Glen to make them less of a photosensitivity issue and provide better guidance for navigation around the maps Hey Slugcats, We released a patch which fixed a large number of memory leaks issues that could lead to the game crashing randomly over an extended play session, made a large number of miscellaneous performance optimizations, and more. This might be the longest patch notes I have ever received. It takes up almost two pages in the Google Doc I am reading from. If you would like to read the full patch notes, you can read them below! ##### Patch Notes - Fixed a large number of memory leak issues that could lead to the game crashing randomly over an extended play session (especially on the Nintendo Switch version). - Made a large number of miscellaneous performance optimizations that should improve frame rates with some creatures or in certain areas of the game. - Fixed color palettes rendering incorrectly inside ripple rifts and within the Migration Path region on the Nintendo Switch version of the game. - Fixed flashing graphical artifacts that could randomly occur on the Nintendo Switch version of the game in the presence of Sentient Rot floater particles. - Fixed graphics sometimes glitching out for a single frame, or sand terrain colors glitching for a single frame, when switching between rooms or screens on the Nintendo Switch version of the game. - Fixed some graphics and particle effects unintentionally rendering with solid square borders on PlayStation and Nintendo Switch versions of the game. - Warp points now pull important key items from a larger radius so there's less chance of them accidentally getting left behind. - Relocated a couple player-generated warp target destinations so they won't ever spawn above bottomless bodies of water that can swallow player's important items after traveling through the warp. - Fixed pearls not getting brought through the portal into Ancient Urban sometimes. - Fixed the map icon still showing a region as being rotted even after all rooms in that region have had their rot purified. - Fixed rot lizards still remaining as rotted on subsequent cycles even after the rot has been purified from the room they spawned in. - Fixed the Prince not giving the player the mark during Watcher's final ending sequence if the game was set to certain languages. - Fixed additional issues with key item trackers that could cause the game to crash if loading into a room adjacent to another room with a tracked key item. - Fixed rooms containing void spawns crashing the game in Jolly Co-op mode if Player 1 got killed in a way that despawns their corpse. - Fixed the "Friends Sheltered" counter on the statistics screen always incrementing every cycle when Jolly Co-op is enabled, even if a friend wasn't sheltered that cycle. - Fixed an occasional crash with Drill Crabs due to their data in the save file being saved incorrectly. - Fixed one of the Watcher tutorial messages not having been translated outside of English. - Fixed adult and baby sandgrub spawning working improperly in Sandbox mode, where the number of adults/babies placed didn't match the amount of adults/babies that actually spawned. - Fixed two of the dens in the Drill Site arena being impossible to enter. - Fixed incompatibility between the Region Kit mod and Watcher's Vortex arena map. - Fixed Sandbox mode issues shortly after disabling Watcher in Remix Menu, due to the Peach lizard sandbox unlock still being present in the absence of Watcher. - Fixed the player needing to visit the Prince throne room more times than necessary, if they had previously visited the throne room with an insufficient ripple level. - Fixed a possible unintentional Game Over scenario during Watcher's final ending due to ripple creatures. - Fixed certain Downpour tutorials never displaying if you had previously been shown the starvation tutorial during other slugcat campaigns. - Excluded certain minor creatures like batflies, leeches, and coalescipedes from spawner tracking, which could cause the no creature spawning glitch to still occur in cert _[Truncated at 4000 characters — full notes: https://store.steampowered.com/news/app/312520/view/532118242491105958]_