v1.3.0

Good News, Everyone! 🎉

It's time for a new LimboAI release—please welcome the freshly baked version 1.3.0! Packed with fixes and improvements, this edition might be the last in the Godot 4.3 series. Time will tell 😉
I’ve highlighted some of the most interesting changes—as usual, follow the links for more details. Cheers!

What's Changed

⭐ - highlights

• ⭐ Implement task multiple selection and drag and drop by @ydeltastar in #210
• Fix BTForEach crash if elements are removed from the array during iteration by @limbonaut in #211
• Fix BBNode::get_value() crash with a freed object using GDExtension by @limbonaut in #212
• Fix BTSetAgentProperty name generation by @limbonaut in #213
• Fix loop variables used as copy by @limbonaut in #214
• GHA: Add an option to create GDExtension debug builds by @limbonaut in #216
• Prefetch nodes set directly in the BehaviorTree's BlackboardPlan by @limbonaut in #215
• Fix duplicate entries in Misc->Layout by @monxa in #219
• Remember loaded BehaviorTrees of last session by @ydeltastar in #225
• Fix invalid access errors on exit in LimboHSM by @limbonaut in #226
• Fix and update docs by @limbonaut in #230
• GHA: Fix Vulkan SDK installation step by @limbonaut in #233
• ⭐ Implement Tree Search Functionality with Highlighting and Filtering by @monxa in #229
• GHA: Code style checks for PRs and commits by @limbonaut in #234
• Doc: Clarify Blackboard.get_var() and set_var() by @limbonaut in #235
• ⭐ GHA: Build iOS GDExtension libraries by @limbonaut in #163
• GHA: Fix Vulkan SDK on iOS by @limbonaut in #237
• Duplicate BBParam instances in typed arrays in BTTask::clone() by @limbonaut in #239
• Call both native and script _setup/_enter/_exit in BTTask by @limbonaut in #227
• ⭐ LimboHSM: Ability to specify per-transition guard function by @limbonaut in #241
• Fix re-parenting an agent interrupts its state machine by @limbonaut in #242
• Improve saving for built-in BTs attached to scenes by @limbonaut in #243
• Improve workflow with built-in BT resources by @limbonaut in #244
• ⭐ Feature: Bind BlackboardPlan variables to node properties in the Inspector by @limbonaut in #245
• GHA: Improve Windows builds: MinGW/GCC with LTO, D3D12, ANGLE by @limbonaut in #252
• Fix: Keep BTInstance alive until update is finished (fixes #254) by @limbonaut in #255
• Add missing 'not' in HSM state example by @namelessvoid in #258
• Doc: Add Contributing page by @limbonaut in #260
• Suggestion on re-arranging the docs by @namelessvoid in #262
• Fix crash with VSCode and GDExtension by @limbonaut in #261
• Remove arbitrary limit on user task directories by @Pheubel in #263
• Add Blackboard.print_state() by @limbonaut in #264
• Fix documentation links in the editor by @limbonaut in #265
• Enable existing BlackboardPlan features for NIL variables by @dpalais in #267
• Amend logic error in BlackboardPlan variable listing by @dpalais in #269
• doc: clarify scoping for BTState by @laurentsenta in #271
• Update copyright notices across the project files & in LICENSE.md by @limbonaut in #272

New Contributors

• @namelessvoid made their first contribution in #258
• @Pheubel made their first contribution in #263
• @laurentsenta made their first contribution in #271

Full Changelog: v1.2.2...v1.3.0

v1.2.2

What's Changed

a5c318b Update class docs
65a1a3d, 5766922 Fix prefetching failing for nodes set directly in BehaviorTree's BlackboardPlan resource
5ac6cda Fix BTSetAgentProperty name generation
fd1ac1c Fix BBNode::get_value() crash with a freed object in GDExtension
644c589 Fix BTForEach crash if elements are removed from the array during iteration
1cb8580 Fix mem leaks in the demo

Full Changelog: v1.2.1...v1.2.2

v1.2.1

What's Changed

• Fix custom scene root is not used in BTPlayer and BTState by @limbonaut in #202
• Fix editor setting initialization for GDExtensions by @monxa in #204
• Generalize EDITOR_DEF macro to fix potential editor setting issues by @monxa in #205
• Override _to_string() to give useful info about objects in GDExtension by @limbonaut in #206

New Contributors

• @monxa made their first contribution in #204

Full Changelog: v1.2.0...v1.2.1

v1.2.0

Good News, Everyone! 🎉

LimboAI version 1.2.0 is out! This release focuses on the shiny new Godot Engine 4.3 and also brings a bunch of improvements and fixes. Due to the use of a newer API, it is no longer compatible with Godot 4.2.
While there are some breaking changes, most projects should remain unaffected. You can check the details in the linked ⚡PR below.

What's Changed

⭐ - highlights
⚡ - breaking changes, follow PR link for details

• GHA: Build Android platform libs in GDExtension workflow by @limbonaut in #147
• ⭐ Add support for Godot 4.3 by @Rubonnek in #64
• Register and call virtual methods on scripts in GDExtension by @limbonaut in #149
• Fix: GDExtension load fails due to Expression used without Ref<> by @limbonaut in #150
• ⭐ Generate built-in documentation header in GDExtension variant by @limbonaut in #151
• GHA improvements by @limbonaut in #154
• Replace deprecated set_auto_translate call with set_auto_translate_mode by @dpalais in #155
• ⭐ Improved layout for large displays (optional) by @limbonaut in #157
• Fix BlackboardPlan arrays shouldn't be shared between instanced agents by @limbonaut in #158
• Improve documentation tooltips by @limbonaut in #159
• Fix new task script path don't update after changing the setting by @ydeltastar in #161
• Fix error when opening scene with a BTPlayer by @ydeltastar in #162
• ⭐ HSM improvements by @limbonaut in #164
• Fix BTPlayer.restart() crash by @limbonaut in #172
• GHA: Fix iOS builds by @limbonaut in #173
• GHA: Add Linux & Windows ARM64 builds by @limbonaut in #174
• LimboHSM: Fix process_input is not enabled in active substate by @limbonaut in #176
• Hide update_mode property for non-root HSMs by @limbonaut in #177
• Fix error if changed signal is already connected in several tasks by @limbonaut in #180
• ⚡ Breaking: Implement BTInstance - runtime instance of BehaviorTree by @limbonaut in #181
• Allow monitoring BT performance in BTState by @limbonaut in #182
• ⭐ BTPlayer: Allow switching BT instance at runtime by @limbonaut in #183
• Allow supplying custom scene root for behavior tree instantiation by @limbonaut in #184
• Editor setting to prefer online docs, and open builtin docs by default by @limbonaut in #185
• ⭐ Edit task script on double-click (open help for core task) by @limbonaut in #186
• Fix C# exports print errors due to missing ClassDB binding by @limbonaut in #188
• Make player filter in the debugger case-insensitive by @ydeltastar in #189
• Improved dev setup for GDExtension by @limbonaut in #190
• Fix renaming BehaviorTree files doesn't update tab names by @ydeltastar in #191
• Fix monitor_performance screwing C# exports by @limbonaut in #193
• BlackboardPlan: Fix mapping failing for NodePath variables with prefetch enabled by @limbonaut in #195
• GHA: Preserve nuget version for C# builds by @limbonaut in #197
• Don't overwrite exisiting blackboard variables in BTState upon initialization by @limbonaut in #198
• GHA: .NET build workflow fixes by @limbonaut in #199
• GHA: Build additional .NET templates - Android & iOS by @limbonaut in #200
• Fix editor undo polluting scene history if BehaviorTree is not saved to a file by @limbonaut in #201

New Contributors

• @ydeltastar made their first contribution in #161

Full Changelog: v1.1.0...v1.2.0

v1.2-rc

Hey, folks! Are you excited about shiny new Godot goodies? This pre-release is focused on Godot 4.3, and it's not compatible with 4.2.
I believe it is quite stable. But if you come upon some bugs, don't forget to report them! Thanks.

What's Changed

⭐ - highlights
⚡ - breaking changes, follow PR link for details

• GHA: Build Android platform libs in GDExtension workflow by @limbonaut in #147
• ⭐ Add support for Godot 4.3 by @Rubonnek in #64
• Register and call virtual methods on scripts in GDExtension by @limbonaut in #149
• Fix: GDExtension load fails due to Expression used without Ref<> by @limbonaut in #150
• ⭐ Generate built-in documentation header in GDExtension variant by @limbonaut in #151
• GHA improvements by @limbonaut in #154
• Replace deprecated set_auto_translate call with set_auto_translate_mode by @dpalais in #155
• ⭐ Improved layout for large displays (optional) by @limbonaut in #157
• Fix BlackboardPlan arrays shouldn't be shared between instanced agents by @limbonaut in #158
• Improve documentation tooltips by @limbonaut in #159
• Fix new task script path don't update after changing the setting by @ydeltastar in #161
• Fix error when opening scene with a BTPlayer by @ydeltastar in #162
• ⭐ HSM improvements by @limbonaut in #164
• Fix BTPlayer.restart() crash by @limbonaut in #172
• GHA: Fix iOS builds by @limbonaut in #173
• GHA: Add Linux & Windows ARM64 builds by @limbonaut in #174
• LimboHSM: Fix process_input is not enabled in active substate by @limbonaut in #176
• Hide update_mode property for non-root HSMs by @limbonaut in #177
• Fix error if changed signal is already connected in several tasks by @limbonaut in #180
• ⚡ Breaking: Implement BTInstance - runtime instance of BehaviorTree by @limbonaut in #181
• Allow monitoring BT performance in BTState by @limbonaut in #182
• ⭐ BTPlayer: Allow switching BT instance at runtime by @limbonaut in #183
• Allow supplying custom scene root for behavior tree instantiation by @limbonaut in #184
• Editor setting to prefer online docs, and open builtin docs by default by @limbonaut in #185
• ⭐ Edit task script on double-click (open help for core task) by @limbonaut in #186
• Fix C# exports print errors due to missing ClassDB binding by @limbonaut in #188
• Make player filter in the debugger case-insensitive by @ydeltastar in #189
• Improved dev setup for GDExtension by @limbonaut in #190
• Fix renaming BehaviorTree files doesn't update tab names by @ydeltastar in #191
• Fix monitor_performance screwing C# exports by @limbonaut in #193
• BlackboardPlan: Fix mapping failing for NodePath variables with prefetch enabled by @limbonaut in #195
• GHA: Preserve nuget version for C# builds by @limbonaut in #197

New Contributors

• @ydeltastar made their first contribution in #161

Full Changelog: v1.1.0...v1.2-rc

v1.1.1

Work on release for Godot 4.3 continues. In the meantime, I cherry-picked some bug fixes for this patch release, plus it comes with Android GDExtension libs.

What's Changed

• GHA: Build Android platform libs in GDExtension workflow by @limbonaut in #147
• Fix potential rare var name conflict in BTCooldown
• Fix connected signal error when loading BT for the second time
• Fix BlackboardPlan arrays shouldn't be shared between instanced agents
• Defer banner actions to not crash upon restart
• Fix new task script path don't update after changing the setting (thanks @ydeltastar)
• Fix BTPlayer.restart() crash
• Fix process_input is not enabled in active substate
• Fix error if changed signal is already connected to a BBParam in a bunch of tasks
• Fix C# exports print errors due to missing ClassDB binding

Full Changelog: v1.1.0...v1.1.1

v1.1.0

Good News, Everyone! 🎉

LimboAI version 1.1.0 is out now, bringing new quality-of-life improvements and various bug fixes. As usual, this release targets the latest stable Godot version (4.2.2 currently).
Don't miss out on the new mapping feature!

What's Changed

⭐ - highlights
⚡ - breaking changes, follow PR link for details

• Blackboard: Add create parameter to bind_var_to_property and link_var by @limbonaut in #89
• BTDecorator: Add default _tick implementation by @limbonaut in #95
• Add tests for nested HSM flow, tests for dispatch() and get_root(), and fix BBParam saved_value initializing to null by @limbonaut in #101
• Add note about how to run demo/tutorial by @TranquilMarmot in #100
• Add pre-commit configuration by @limbonaut in #103
• ⭐ ⚡ Breaking: Allow specifying agent in BTPlayer node via inspector by @limbonaut in #102
• GHA: Use older toolchain for SteamDeck compatibility by @limbonaut in #107
• ⭐ Mapping variables by @limbonaut in #106
• Editor: Check if variable is of correct type for BBParam subtypes by @limbonaut in #110
• GHA: Generate .import files for GDExtension icons by @limbonaut in #116
• GHA: Use godotengine buildroot mirror by @limbonaut in #117
• Doc: Add first steps by @limbonaut in #118
• ⭐ Implement tab navigation in the editor by @limbonaut in #120
• Fix compile-time errors with updated godot-cpp by @limbonaut in #123
• Editor: Add tab context menu option "Jump to Owner" by @limbonaut in #122
• Show version info in the editor by @limbonaut in #124
• API: Add Blackboard methods to enable iteration, state inspection & serialization by @limbonaut in #125
• Add unit tests for Blackboard and fix Blackboard.unbind_var() by @limbonaut in #127
• Fix custom task issues - a rare crash & a sticky name/script issue, and improve error handling by @limbonaut in #130
• Fix reparenting an agent deactivates its HSM by @limbonaut in #131
• Fix crash when freeing agent with performance monitoring enabled by @limbonaut in #133
• Fix folding/unfolding selected composite task is not working by @limbonaut in #136
• Fix task tree warnings column always taking up space by @limbonaut in #142
• Support light themes for editor icons in GDExtension by @limbonaut in #145

New Contributors

• @TranquilMarmot made their first contribution in #100

Full Changelog: v1.0.2...v1.1.0

v1.1-rc

What's Changed

⚡ - compatibility breaking, follow PR link for details.

• Blackboard: Add create parameter to bind_var_to_property and link_var by @limbonaut in #89
• BTDecorator: Add default _tick implementation by @limbonaut in #95
• Add tests for nested HSM flow, tests for dispatch() and get_root(), and fix BBParam saved_value initializing to null by @limbonaut in #101
• Add note about how to run demo/tutorial by @TranquilMarmot in #100
• Add pre-commit configuration by @limbonaut in #103
• ⚡ Breaking: Allow specifying agent in BTPlayer node via inspector by @limbonaut in #102
• GHA: Use older toolchain for SteamDeck compatibility by @limbonaut in #107
• Mapping variables by @limbonaut in #106
• Editor: Check if variable is of correct type for BBParam subtypes by @limbonaut in #110
• GHA: Generate .import files for GDExtension icons by @limbonaut in #116
• GHA: Use godotengine buildroot mirror by @limbonaut in #117
• Doc: Add first steps by @limbonaut in #118
• Implement tab navigation in the editor by @limbonaut in #120
• Fix compile-time errors with updated godot-cpp by @limbonaut in #123
• Editor: Add tab context menu option "Jump to Owner" by @limbonaut in #122
• Show version info in the editor by @limbonaut in #124
• API: Add Blackboard methods to enable iteration, state inspection & serialization by @limbonaut in #125
• Add unit tests for Blackboard and fix Blackboard.unbind_var() by @limbonaut in #127
• Fix custom task issues - a rare crash & a sticky name/script issue, and improve error handling by @limbonaut in #130
• Fix reparenting an agent deactivates its HSM by @limbonaut in #131

New Contributors

• @TranquilMarmot made their first contribution in #100

Full Changelog: v1.0.2...v1.1-rc

v1.0.2

What's Changed

• GHA: Provide version.txt with GDExtension builds & demo project by @limbonaut in #87
• GHA: Build .NET binaries for macOS by @limbonaut in #88
• HSM: Delay state transition till update is finished by @limbonaut in #91
• Support multiple debugger sessions by @limbonaut in #92
• Fix LimboState::get_root and dispatch freeze the process in case of nested HSMs by @limbonaut in #93
• Documentation update - BTSubTree by @onze in #96

New Contributors

• @onze made their first contribution in #96

Full Changelog: v1.0.1...v1.0.2

Update (May 27)

Builds were updated using a different toolchain to support Steam Deck and older Linux distributions. All the packages were updated to the new build.

v1.0.1

What's Changed

• Fix blackboard plan issues by @limbonaut in #82
• BTSubtree: Fix subtree blackboard plan is not property utilized by @limbonaut in #84
• BlackboardPlan fixes by @limbonaut in #85

Full Changelog: v1.0...v1.0.1