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emilyburghardt merged 2 commits into from
Mar 27, 2025
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chore: 8.4.0 alpha release notes #17892

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8.4.0 alpha release notes
emilyburghardt Mar 26, 2025
129be98
8.4.0 alpha release notes update
emilyburghardt Mar 27, 2025
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18 changes: 18 additions & 0 deletions api/release-notes.md
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Expand Up @@ -7,6 +7,24 @@ log][]. For a list of currently known issues, please see the [Opentrons issue tr
By installing and using Opentrons software, you agree to the Opentrons End-User License Agreement (EULA). You can view the EULA at [opentrons.com/eula](https://opentrons.com/eula).

---
## Opentrons Robot Software Changes in 8.4.0

Welcome to the v8.4.0 release of the Opentrons robot software! This release includes updated liquid handling commands for Opentrons-verified liquid classes and other new features, improvements, and bug fixes.

### New Features

- Use new ``transfer_liquid``, ``distribute_liquid``, and ``consolidate_liquid`` commands on Flex to optimize liquid handling based on Opentrons-verified liquid classes.
- Stack multiple Opentrons Tough Auto-Sealing Lids on the deck.
- Move Opentrons Tough Auto-Sealing Lids or remove tip rack lids with the Flex Gripper.
- Aspirate or dispense in a well based on the liquid meniscus.

### Improvements

- Improved tip drop motions for Flex 1- and 8-channel pipettes correctly drop and return attached tips to the tip rack.

### Bug Fixes

- The API raises an error if the Absorbance Plate Reader fails to initialize before reading a plate inside the module.

## Opentrons Robot Software Changes in 8.3.1

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19 changes: 19 additions & 0 deletions app-shell/build/release-notes.md
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Expand Up @@ -8,6 +8,25 @@ By installing and using Opentrons software, you agree to the Opentrons End-User

---

## Opentrons App Changes in 8.4.0

Welcome to the v8.4.0 release of the Opentrons App! This release includes updates to labware offsets on the Flex, as well as other new features, improvements, and bug fixes.

### New Features

- Run Flex protocols with updated liquid handling commands, optimized for liquid class properties like viscosity.
- During a protocol, use the Flex Gripper to remove lids from new tip racks on the deck.
- Run protocols with stacked Opentrons Tough Auto-Sealing Lids.

### Improvements

- Apply default labware offsets to the same labware across your Flex deck. Click **Labware offsets** when setting up a protocol in the Opentrons App to view, apply, and create labware offsets.
- Improvements to error recovery allow you to resume your Flex protocol when the door is opened or a second error occurs.

### Bug Fixes

- Error recovery no longer lets you select more tips than the pipette can pick up at once.

## Opentrons App Changes in 8.3.1

The 8.3.1 hotfix release includes a small fix to allow all robots to properly reboot after an upgrade to v8.3.0.
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