Tags added to the graph are not propagated in v0.2.x (worked in v0.1.x)

[zoltan-fedor]

Checked other resources

• This is a bug, not a usage question. For questions, please use GitHub Discussions.
• I added a clear and detailed title that summarizes the issue.
• I read what a minimal reproducible example is (https://stackoverflow.com/help/minimal-reproducible-example).
• I included a self-contained, minimal example that demonstrates the issue INCLUDING all the relevant imports. The code run AS IS to reproduce the issue.

Example Code

from langgraph.graph import StateGraph

workflow = StateGraph(AgentState)
...
workflow.compile().with_config(tags=["mygraph"])

Error Message and Stack Trace (if applicable)

No response

Description

In v0.1.x I could add a tag to a graph with either of the following:

from langgraph.graph import StateGraph

workflow = StateGraph(AgentState)
...
workflow.compile().with_config({"run_name": "my_run", "tags": ["mygraph"]})

Or with:

workflow = StateGraph(AgentState)
...
workflow.compile().with_config(run_name="my_run", tags=["mygraph"])

In v0.1.x the added tag (mygraph) shows up in the metadata of the events:

{
  tags: [
    0: "seq:step:3",
    1: "mygraph"    <=== TAG IS HERE
  ]
  langgraph_step: "1"
  langgraph_node: "agent"
  langgraph_triggers: [
    0: "start:agent"
  ]
}

In v0.2.x the added tag is not in the metadata:

{
  tags: [
    0: "seq:step:3"   <=== NO 'mygraph' TAG!!!
  ]
  langgraph_step: "1"
  langgraph_node: "agent"
  langgraph_triggers: [
    0: "start:agent"
  ]
}

Is it possible that the new tags added to the v0.2.x codebase like TAG_HIDDEN overwrite the user-supplied tags somewhere instead of appending to it and so the user-supplied tags gets lost?

See TAG_HIDDEN:

langgraph/libs/langgraph/langgraph/constants.py

Line 19 in effddca

TAG_HIDDEN = sys.intern("langsmith:hidden")

Ps,:

• The run_name can be successfully propagated from the with_config() method, only the tags are not propagated in v0.2.x
• The issue was the same with the latest version of Langchain and also with older version like langchain==0.2.9, once langgraph got upgraded to v0.2.x the tags stopped propagate both with langchain==0.2.9 and langchain==0.2.17

System Info

System Information

OS: Linux
OS Version: #115~20.04.1-Ubuntu SMP Mon Apr 15 17:33:04 UTC 2024
Python Version: 3.11.9 (main, Apr 6 2024, 17:59:24) [GCC 9.4.0]

Package Information

langchain_core: 0.2.43
langchain: 0.2.17
langchain_community: 0.2.19
langsmith: 0.1.147
langchain_cli: 0.0.35
langchain_openai: 0.1.25
langchain_text_splitters: 0.2.4
langgraph: 0.2.60
langserve: 0.2.2

Other Dependencies

aiohttp: 3.11.11
async-timeout: Installed. No version info available.
dataclasses-json: 0.6.7
fastapi: 0.115.6
gitpython: 3.1.43
gritql: 0.1.5
httpx: 0.27.0
jsonpatch: 1.33
langgraph-checkpoint: 2.0.9
langgraph-sdk: 0.1.48
langserve[all]: Installed. No version info available.
langsmith-pyo3: Installed. No version info available.
numpy: 1.26.4
openai: 1.58.1
orjson: 3.10.12
packaging: 24.2
pydantic: 2.10.4
pyproject-toml: 0.0.10
PyYAML: 6.0.2
requests: 2.32.3
requests-toolbelt: 1.0.0
SQLAlchemy: 2.0.36
sse-starlette: 1.8.2
tenacity: 8.5.0
tiktoken: 0.8.0
tomlkit: 0.13.2
typer[all]: Installed. No version info available.
typing-extensions: 4.12.2
uvicorn: 0.34.0