slackListsItemsCreate most likley has typo in field.

[knubonrk]

The method slackListsItemsCreate sends initial_fields as intial_fields according to debug output:

list_id=F0B9LENTXND&intial_fields=...

Using the APIs directly works as expected.

Reproducible in:

[INFO] | +- com.slack.api:slack-api-model:jar:1.49.0:compile
openjdk version "25.0.3" 2026-04-21 LTS
OpenJDK Runtime Environment Temurin-25.0.3+9 (build 25.0.3+9-LTS)
OpenJDK 64-Bit Server VM Temurin-25.0.3+9 (build 25.0.3+9-LTS, mixed mode, sharing)
ProductName: macOS
ProductVersion: 26.5.1
BuildVersion: 25F80

The Slack SDK version

1.49.0

Java Runtime version

openjdk version "25.0.3" 2026-04-21 LTS
OpenJDK Runtime Environment Temurin-25.0.3+9 (build 25.0.3+9-LTS)
OpenJDK 64-Bit Server VM Temurin-25.0.3+9 (build 25.0.3+9-LTS, mixed mode, sharing)

OS info

Darwin Kernel Version 25.5.0: Mon Apr 27 20:38:56 PDT 2026; root:xnu-12377.121.6~2/RELEASE_ARM64_T6000

Steps to reproduce:

Place a call to the method.

Expected result:

Create a slack list item with values set.

Actual result:

Creates a slack list item with no values set.

[zimeg]

👋 Hey @knubonrk! Thanks for reporting this! 🔍 We're finding a potential fix in #1600 for an upcoming release! 🚀