# OpenTofu v1.8.5 — Release & Upgrade Intelligence
- **Product:** OpenTofu (https://opentofu.org)
- **Version:** v1.8.5
- **Released:** Nov 04, 2024
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/opentofu/updates/v1.8.5/

## Executive Summary (TL;DR)
OpenTofu v1.8.5. Source highlight: Provider functions will now handle partially unknown arguments per the tfplugin spec (#2127)

## Bug Fixes
- Provider functions will now handle partially unknown arguments per the tfplugin spec (#2127)
- `tofu init` will no longer return a spurious "Backend configuration changed" error when re-initializing a working directory with existing initialization of a backend whose configuration schema has required arguments. This was a regression caused by the similar fix in the v1.8.4 release. (#2135)