Upgrade Material3 to 1.12.0-alpha03 - #116
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patrickunterwegs merged 1 commit intoAug 26, 2026
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The bump to Compose Multiplatform 1.12.0 left material3 at 1.9.0. On
Android those two resolve to incompatible Jetpack artifacts:
org.jetbrains.compose.foundation:foundation:1.12.0
-> androidx.compose.foundation:foundation:1.12.0
org.jetbrains.compose.material3:material3:1.9.0
-> androidx.compose.material3:material3:1.4.0
Material3 1.4.0 was compiled against the older signature of
androidx.compose.foundation.style.CustomStyle.applyStyle, so composing
any OutlinedTextField now fails with
java.lang.AbstractMethodError: abstract method
"void androidx.compose.foundation.style.CustomStyle.applyStyle(
androidx.compose.foundation.style.CustomStyleScope)" on receiver
OutlinedTextFieldDefaults$$ExternalSyntheticLambda0
which crashes the app when the settings bottom sheet pages to the AI
provider or More tab. Under 1.11.1 this did not surface because
foundation resolved to androidx foundation 1.11.2.
The compatibility table for Compose Multiplatform 1.12.0 pairs it with
material3 1.12.0-alpha03 (Jetpack Material3 1.5.0-alpha22), which is the
first material3 built against foundation 1.12.x.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01TUHLoZtpoBRJeebhbzz6fe
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Summary
Updated the Material3 dependency version to align with the Compose Multiplatform requirements.
Changes
material3from1.9.0to1.12.0-alpha03Details
This upgrade ensures compatibility with the current version of Compose Multiplatform. The version constraint is documented with a reference to the official Compose Multiplatform changelog to help maintainers understand why this specific version is required.
https://claude.ai/code/session_01TUHLoZtpoBRJeebhbzz6fe