Release 1.8.0

[sir-sigurd]

Cut release 1.8.0 — adds the Transit Gateway egress mode merged in #115.

CHANGELOG-only: promotes the TGW entry from [Unreleased] into a dated ## [1.8.0] section and updates the bottom link refs ([Unreleased] compare base → 1.8.0, new [1.8.0] tag link). Matches the established release-PR convention (e.g. #118 for 1.7.2).

1.8.0 is a minor, non-breaking bump (new opt-in enable_transit_gateway feature; default behavior unchanged). After merge, tag 1.8.0 on the merge commit so the changelog links resolve.

Set the [1.8.0] date to the actual merge date before merging if it slips past 2026-06-09.

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Supersedes #120, which was auto-closed when #115's branch was deleted with --delete-branch (a known GitHub bug closes stacked dependents instead of retargeting them). This branch is freshly based on main post-merge, so no stacked-history conflict.

Greptile Summary

This is a CHANGELOG-only release cut for 1.8.0, moving the Transit Gateway egress entry from [Unreleased] into a dated ## [1.8.0] section and updating the bottom link references to point [Unreleased] at 1.8.0...HEAD while adding the new [1.8.0] tag link.

• The [Unreleased] placeholder is correctly left empty above [1.8.0], ready for the next cycle.
• The [Unreleased] compare base and the new [1.8.0] release tag link both reference 1.8.0, matching the established convention from prior release PRs (e.g. 1.7.2).

Confidence Score: 5/5

Safe to merge — the change is CHANGELOG-only and follows the established release-cut convention exactly.

Only CHANGELOG.md is touched. The section structure, link-ref update, and empty [Unreleased] placeholder are all consistent with prior release PRs. The date matches today and the TGW bullet content matches the underlying #115 feature PR.

No files require special attention.

Important Files Changed

Filename	Overview
CHANGELOG.md	Promotes the TGW entry from [Unreleased] into a dated [1.8.0] section and updates the bottom link refs; empty [Unreleased] placeholder retained for future changes.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A["[Unreleased] - YYYY-MM-DD\n(empty placeholder)"] --> B["[1.8.0] - 2026-06-09\n+ TGW egress entry"]
    B --> C["[1.7.2] - 2026-06-08\n..."]
    D["Link refs"] --> E["[Unreleased]: compare/1.8.0...HEAD"]
    D --> F["[1.8.0]: releases/tag/1.8.0  ← new"]
    D --> G["[1.7.2]: releases/tag/1.7.2"]

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_{Reviews (1): Last reviewed commit: "Release 1.8.0" | Re-trigger Greptile}