Flowchart subgraph - too many nodes results in a node not rendered under it's subgraph section

[conan-chiles]

Description

hi,
There seems to be a bug with flowchart and subgraphs, if too many nodes exist, results in a node expected to be under a subgraph rendered outside it's expected subgraph

any questions, please let me know, thanks

Steps to reproduce

example of a diagram with one too many nodes

keeping an eye on the node Scan_with_CPU["Scan with CPU"]
should be under the subgraph Sensor_Visibility

for context, noticed while mapping out dependencies for some settings of an application

graph LR
	subgraph Behavior_based_Prevention
		Credential_Dumping["Credential Dumping"]
		NULL_Page_Allocation["NULL Page Allocation"]
		Heap_Spray_Preallocation["Heap Spray Preallocation"]
		SEH_Overwrite_Protection["SEH Overwrite Protection"]
		Code_Injection["Code Injection"]
		Volume_Shadow_Copy_Audit["Volume Shadow Copy - Audit"]
		Force_ASLR["Force ASLR"]
		Volume_Shadow_Copy_Protect["Volume Shadow Copy - Protect"]
		Force_DEP["Force DEP"]
	end
	subgraph Malware_Protection
		Suspicious_Scripts_and_Commands["Suspicious Scripts and Commands"]
		Vulnerable_Driver_Protection["Vulnerable Driver Protection"]
		Driver_Load_Prevention["Driver Load Prevention"]
	end
	subgraph Next_Gen_Antivirus
		Detect_on_Write["Detect on Write"]
		Microsoft_Office_File_Malicious_Macro_Removal["Microsoft Office File Malicious Macro Removal"]
		Sensor_Anti_malware_Prevention["Sensor Anti-malware - Prevention"]
		Quarantine_on_Write["Quarantine on Write"]
		Quarantine_on_Removable_Media["Quarantine on Removable Media"]
		Quarantine_Security_Center_Registration["Quarantine & Security Center Registration"]
		Sensor_Anti_malware_Detection["Sensor Anti-malware - Detection"]
	end
	subgraph Sensor_Visibility
		Scan_with_CPU["Scan with CPU"]
		Additional_User_Mode_Data_AUMD_["Additional User Mode Data (AUMD)"]
		BIOS_Deep_Visibility["BIOS Deep Visibility"]
		Engine_Full_Visibility_["Engine (Full Visibility)"]
		Redact_HTTP_Detections_Details["Redact HTTP Detections Details"]
		Extended_User_Mode_Data_XUMD_["Extended User Mode Data (XUMD)"]
		HTTP_Detections["HTTP Detections"]
		Script_Based_Execution_Monitoring["Script-Based Execution Monitoring"]
		Memory_Scanning["Memory Scanning"]
		Hardware_Enhanced_Exploit_Detection["Hardware-Enhanced Exploit Detection"]
		Interpreter_Only["Interpreter-Only"]
	end	

	Microsoft_Office_File_Malicious_Macro_Removal --> Quarantine_on_Write	

	Suspicious_Scripts_and_Commands --> Interpreter_Only
	Suspicious_Scripts_and_Commands --> Script_Based_Execution_Monitoring
	
	Suspicious_Scripts_and_Commands --> if_ARM64_req_Win11

	Scan_with_CPU --> Memory_Scanning
	Scan_with_CPU --> Additional_User_Mode_Data_AUMD_
	Scan_with_CPU --> Intel_CPU

	Credential_Dumping --> Additional_User_Mode_Data_AUMD_

	NULL_Page_Allocation --> Additional_User_Mode_Data_AUMD_
	
	Quarantine_on_Write --> Detect_on_Write

	Vulnerable_Driver_Protection --> Driver_Load_Prevention
	
	BIOS_Deep_Visibility --> physical_host	

	Heap_Spray_Preallocation --> Additional_User_Mode_Data_AUMD_	

	SEH_Overwrite_Protection --> Additional_User_Mode_Data_AUMD_	

	Redact_HTTP_Detections_Details --> not_windows_server	

	Code_Injection --> Additional_User_Mode_Data_AUMD_

	Quarantine_on_Removable_Media --> Quarantine_Security_Center_Registration

	HTTP_Detections --> not_windows_server

	Force_ASLR --> Additional_User_Mode_Data_AUMD_

	Volume_Shadow_Copy_Protect --> Volume_Shadow_Copy_Audit

	Force_DEP --> Additional_User_Mode_Data_AUMD_

	Script_Based_Execution_Monitoring --> if_ARM64_req_Win11
	Script_Based_Execution_Monitoring --> Quarantine_Security_Center_Registration

	Memory_Scanning --> physical_host
	Memory_Scanning --> Intel_CPU_SkyLake_or_later

	Detect_on_Write --> x86_64
	Sensor_Anti_malware_Prevention --> x86_64
	Suspicious_Scripts_and_Commands --> x86_64
	NULL_Page_Allocation --> x86_64
	Quarantine_on_Write --> x86_64
	BIOS_Deep_Visibility --> x86_64
	Engine_Full_Visibility_ --> x86_64
	Heap_Spray_Preallocation --> x86_64
	SEH_Overwrite_Protection --> x86_64

same diagram with one less node

removed SEH_Overwrite_Protection --> x86_64
Scan_with_CPU["Scan with CPU"] is now under the subgraph Sensor_Visibility

graph LR
	subgraph Behavior_based_Prevention
		Credential_Dumping["Credential Dumping"]
		NULL_Page_Allocation["NULL Page Allocation"]
		Heap_Spray_Preallocation["Heap Spray Preallocation"]
		SEH_Overwrite_Protection["SEH Overwrite Protection"]
		Code_Injection["Code Injection"]
		Volume_Shadow_Copy_Audit["Volume Shadow Copy - Audit"]
		Force_ASLR["Force ASLR"]
		Volume_Shadow_Copy_Protect["Volume Shadow Copy - Protect"]
		Force_DEP["Force DEP"]
	end
	subgraph Malware_Protection
		Suspicious_Scripts_and_Commands["Suspicious Scripts and Commands"]
		Vulnerable_Driver_Protection["Vulnerable Driver Protection"]
		Driver_Load_Prevention["Driver Load Prevention"]
	end
	subgraph Next_Gen_Antivirus
		Detect_on_Write["Detect on Write"]
		Microsoft_Office_File_Malicious_Macro_Removal["Microsoft Office File Malicious Macro Removal"]
		Sensor_Anti_malware_Prevention["Sensor Anti-malware - Prevention"]
		Quarantine_on_Write["Quarantine on Write"]
		Quarantine_on_Removable_Media["Quarantine on Removable Media"]
		Quarantine_Security_Center_Registration["Quarantine & Security Center Registration"]
		Sensor_Anti_malware_Detection["Sensor Anti-malware - Detection"]
	end
	subgraph Sensor_Visibility
		Scan_with_CPU["Scan with CPU"]
		Additional_User_Mode_Data_AUMD_["Additional User Mode Data (AUMD)"]
		BIOS_Deep_Visibility["BIOS Deep Visibility"]
		Engine_Full_Visibility_["Engine (Full Visibility)"]
		Redact_HTTP_Detections_Details["Redact HTTP Detections Details"]
		Extended_User_Mode_Data_XUMD_["Extended User Mode Data (XUMD)"]
		HTTP_Detections["HTTP Detections"]
		Script_Based_Execution_Monitoring["Script-Based Execution Monitoring"]
		Memory_Scanning["Memory Scanning"]
		Hardware_Enhanced_Exploit_Detection["Hardware-Enhanced Exploit Detection"]
		Interpreter_Only["Interpreter-Only"]
	end	

	Microsoft_Office_File_Malicious_Macro_Removal --> Quarantine_on_Write	

	Suspicious_Scripts_and_Commands --> Interpreter_Only
	Suspicious_Scripts_and_Commands --> Script_Based_Execution_Monitoring
	
	Suspicious_Scripts_and_Commands --> if_ARM64_req_Win11

	Scan_with_CPU --> Memory_Scanning
	Scan_with_CPU --> Additional_User_Mode_Data_AUMD_
	Scan_with_CPU --> Intel_CPU

	Credential_Dumping --> Additional_User_Mode_Data_AUMD_

	NULL_Page_Allocation --> Additional_User_Mode_Data_AUMD_
	
	Quarantine_on_Write --> Detect_on_Write

	Vulnerable_Driver_Protection --> Driver_Load_Prevention
	
	BIOS_Deep_Visibility --> physical_host	

	Heap_Spray_Preallocation --> Additional_User_Mode_Data_AUMD_	

	SEH_Overwrite_Protection --> Additional_User_Mode_Data_AUMD_	

	Redact_HTTP_Detections_Details --> not_windows_server	

	Code_Injection --> Additional_User_Mode_Data_AUMD_

	Quarantine_on_Removable_Media --> Quarantine_Security_Center_Registration

	HTTP_Detections --> not_windows_server

	Force_ASLR --> Additional_User_Mode_Data_AUMD_

	Volume_Shadow_Copy_Protect --> Volume_Shadow_Copy_Audit

	Force_DEP --> Additional_User_Mode_Data_AUMD_

	Script_Based_Execution_Monitoring --> if_ARM64_req_Win11
	Script_Based_Execution_Monitoring --> Quarantine_Security_Center_Registration

	Memory_Scanning --> physical_host
	Memory_Scanning --> Intel_CPU_SkyLake_or_later

	Detect_on_Write --> x86_64
	Sensor_Anti_malware_Prevention --> x86_64
	Suspicious_Scripts_and_Commands --> x86_64
	NULL_Page_Allocation --> x86_64
	Quarantine_on_Write --> x86_64
	BIOS_Deep_Visibility --> x86_64
	Engine_Full_Visibility_ --> x86_64
	Heap_Spray_Preallocation --> x86_64

Screenshots

with one too many

with one less

Code Sample

with one too many

https://mermaid-js.github.io/mermaid-live-editor/edit/#pako:eNqVV9tu2zgQ_ZWBHhZdoH4oUARFHhZwYqcJYDdZu2kLrBYEIzExNzKppagkRtF_7wxJUbItOU6BotbMOXPnkP2ZZDoXyWnyYHi5gtkiVamt6jv_eSZW_Elqw-54JXJ2Y8STUFZqRajUnhuR0zcv2KRel1I9_JMmrRCCME3-9fgvt7MZu-EPgo2LQmecLCGDxEBiaMWRcyl4yZal4Rtyz7s8UoFTwZYqcpfTS3b9JMyzkVYgXVuRBS6qIKqgVUXuOZaFXan_IoMEEAUR900X9Vqw5Yrn-pmd63LDxnUuLTK8CrwKSAUjcMrIvtAmw2osZwvEuw-gj0PWQ6xD9oN6x8NkehMd4O-gFSrfavecF8_cdCsV6lhXpcykriu2zIwsbcW4yjGc9Rr_raicEQEBAaiBBtHmUxdKGH5XYEhGYv23u9Kqwav7OhOIM827E4nsQCEFdEa1P9cv4sWyz0KxMaKepKmrYF2QP6YV-06jQWadBLQCJ4lxzGVmdKXvLbu-v5dY5AuJaWENQ6nmHPVsIdb6iRdoJ-LB44HwEPHg8BDw7QwLVeEBpCjZOvank7UHAAFGAeDGYCf_1P5dc8NRpEQ3u1a6n-E2w0dGrZuLXPI9btSD0_dZWYqsRg8bdo6xYQ8X4kFW1jQHumPvD2iw4LHQxR6sju_XoeJExMBsBKvfZCXvZIExBGcZV-xZ2hU7v7kl4_gN9A34HUMa53jA0TYuxdsKc5zTIplwy9n4dj5hyGsRQAggBBAC3hHkz2jq7Op6iemIshMK8kkMJIZOhA1nqh6o0hd1UXRY5NZr4B2pOszW3ULkHEf_8uvXm7aIFf3ksqBT7gFAgLaGFQRAG8ILVRTvi538f4T8G_1e9j-2st-Jgxb-tuN2CtzKYWfukpq-4OCQHj0rabXx15LHjBwGIgZaTHuucY7NhlF3led6CTSSNkJucjdyU7XiKnPOy0JLuzWDDWrUoCCg9uYwtVc06qURdDiuVUHd7ohGJOrMrE3dgn7TIoLR6C_oWQWNsVd2vaPvRnks79U-uSIcaUzes_FifvKRGfE_-y7Vhw8hge4pdcidhvaDXjm2_SQqREFf3vX-e-hI06r_bXRsYPS3p6WOvnOfeWeHrmHP6r1jG199e8nRytWmkhlGutKVbSZq6AV3VHbNVA685N5i4_B6c5aUtthghc-piqEldNiQt5-Dx7f14BW6exYPXY-hltvBDwXtsO3b8vhwh9-bzsbQY7frEJ-Xx_t7dSMMH_UjuW8q786m6JnpAVBcBGz5uJnxR-y2YQW3vheAf3bOoWO9fDphJx-9_vA7bx9-xIbs4gfXSxc0tEO6mMGz3wUNPEL2cAdXw1a6h86_Bybvk7Uway5z_N_sT6KliV2JNT5nT_Fnzs1jmqTqF-LqMsfWTHOak-T0nheVeJ_w2urlRmVR4FETyfFRuA7SX78BcN2aFw


with one less

https://mermaid-js.github.io/mermaid-live-editor/edit/#pako:eNqVV1Fv2zgM_iuEHw47YHkYMBRDHw5Im3QtkKy9ZN0GnA-CaquNro7kk-W2wbD_PlKSZSex07RAUYv8PpIiKUr9mWQ6F8lp8mB4uYLZIlWpreo7vzwTK_4ktWF3vBI5uzHiSSgrtSJUas-NyGnNCzap16VUD_-kSSuEIEyTfz3-y-1sxm74g2DjotAZJ0vIIDGQGFpx5FwKXrJlafiG3PMuj1TgVLClitzl9JJdPwnzbKQVSNdWZIGLKogqaFWRe45pYVfqv8ggAURBxH3TRb0WbLniuX5m57rcsHGdS4sMrwKvAlLBCJwysi-0yTAby9kC8W4BtDhkPcQ6ZD-odzxMpjfRAX4HrVD5VrnnvHjmppupkMe6KmUmdV2xZWZkaSvGVY7hrNf4t6J0RgQEBKAGGkS7n7pQwvC7AkMyEvO_XZVWDV7dV5lAnGne7UhkBwopoNOq_Xv9Il4s-ywUGyPqSZq6CtYF-WNase_UGmTWSUArcJIYx1xmRlf63rLr-3uJSb6QuC3MYUjVnKOeLcRaP_EC7UQ8eDwQHiIeHB4Cvu1hoSo8gBQlW8f6dHbtAUCAUQC4NtjZf2r_rrnhKFKiu7tWur_DbYaPjEo3F7nke9yoB6fvs7IUWY0eNuwcY8MaLsSDrKxpDnTH3h_QYMFjoYs9mB1fr0PJiYiB3ghWv8lK3skCYwjOMq7Ys7Qrdn5zS8ZxDbQGXMeQxjkecLSNQ_G2wj3OaZBMuOVsfDufMOS1CCAEEAIIAe8I8mc0dXZ1vcTtiLITCvJJDCSGToQNZ6oeKNMXdVF0WOTWa-AdqTrM1t1C5Bxb__Lr15s2iRV9clnQKfcAIECbwwoCoA3hhTKK98XO_n-E_Tf6vd3_2Nr9Thw08Lcdt13gRg47c5fU9AUbh_ToWUmrjb-WPGbkMBAx0GLac419bDaMqqs810ugkbQRcpO7lpuqFVeZc14WWtqtHmxQowYFAbXXh6m9olYvjaDDca0KqnZHNCJRp2dt6gb0mwYRjEZ_Qc8oaIy9MusdfTfKY3mv1skl4Uhj8p6NF_OTj8yI_9l3qT58CBvonlKH3CloP-iVY9tPokQUtPKu999DR5pW_W-jYwOj356SOvrOfeadHbqGPav3jm189c0lRytXm0pmGOlKV7bpqKEX3FG7a7py4CX3FhuHx5uzpLTFAit8TlUMLaHDhrz9HDy-rAev0N2zeOh6DLncDn4oaIdt35bHhzv83nQ2hh67XYf4vDze36sTYfioH8l9U3p3JkVPTw-A4iBgy8fNjD9itQ0ruPW1APzZOYeO9fLphJ189PrD77x9-BETsosfHC9d0NAM6WIGz34XNPAI2cMdHA0emLxP1sKsuczxn9SfREsTuxJrfKWe4mfOzWOapOoX4uoyx4xPcyp_cnrPi0q8T3ht9XKjsijwqInk-NZbB-mv3wqzjLo

Setup

is consistent between the mermaid live preview using both Firefox and Edge, a VS Code Mermaid Preview extension (link below), and in GitHub issues markdown renderer

https://marketplace.visualstudio.com/items?itemName=bierner.markdown-mermaid

Suggested Solutions

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Additional Context

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[ArtjomE]

@conan-chiles here reported issue by me is the same #2291