# Cline SDK 0.0.73: compaction fix on reasoning models, Fable 5 on Vertex

> Bug-fix release for the Cline SDK. Context compaction was being silently skipped on reasoning models because the summarizer hardcoded a 1024-token output cap; it now honors a configured max-output-tokens. Vertex users get Fable 5 in the model catalog and pass-through of custom Vertex model IDs.

| | |
|---|---|
| **Tool** | Cline |
| **Version** | sdk/sdk/v0.0.73 |
| **Kind** | release |
| **Published** | 2026-08-11 |
| **Observed** | 2026-08-11 |
| **Significance** | 3/5 |
| **Breaking** | no |
| **Categories** | fix, model-support |

## What changed


- Summarizer no longer hardcodes a 1024-token output cap: honors an explicit max-output-tokens setting, defaults to 4096, lowers it when the model reports less, and logs a diagnostic on an empty summary. Fixes compaction being silently skipped on reasoning models.
- Managed Hub daemons carry a runtime build fingerprint, so an upgrade retires and respawns a daemon running older code instead of a host reattaching to the stale one.
- Added Fable 5 (`claude-fable-5`) to the Vertex model catalog. Cost shows as unknown — pricing is omitted deliberately because Vertex bills per region.
- Custom Vertex model IDs pass through unchanged; Claude-style IDs route to the Anthropic-on-Vertex path.


## Sources

- [github_release](https://github.com/cline/cline/releases/tag/sdk/sdk/v0.0.73) — retrieved 2026-08-11

## Affects

_Typed graph edges this release is cited for. Nothing here is inferred from prose: every
line is a stored edge printed as stored. A formation date is the earliest evidence in the
archive, so it can predate this release. Indented lines are existing edges on the entity
above them — context, not claims about this release._

- **Cline** —supports→ **Anthropic** — formed 2026-07-24
  > Cline adds Claude Opus 5 across the Anthropic
  Cited by: `evt_2026-07-24_cline_v4-0-11`, `evt_2026-07-31_cline_cli-v3-0-48`, `evt_2026-08-11_cline_cli-v3-0-53`, `evt_2026-08-11_cline_sdk-sdk-v0-0-73`
  Entity: https://changelogs.info/anthropic
  - **Aider** —supports→ **Anthropic** — formed 2024-08-06
  - **OpenClaw** —supports→ **Anthropic** — formed 2026-06-12
  - **Claude Code** —supports→ **Anthropic** — formed 2026-07-24
  - _1 further edge on Anthropic: https://changelogs.info/graph_

## Community

_No curated reactions recorded. Facts and community takes are kept in separate layers
and never blended._

---
Canonical: https://changelogs.info/cline/sdk-sdk-v0-0-73
Entity: https://changelogs.info/cline
Event ID: `evt_2026-08-11_cline_sdk-sdk-v0-0-73`
Licence: event synthesis © changelogs.info, CC BY 4.0. Linked sources belong to their vendors.