release: 2.77

[sergiocazzolato]

DEBEMAIL="Sergio Cazzolato sergio.cazzolato@canonical.com" release-tools/changelog.py 2.77 2158102 NEWS.md

LP bugs: https://launchpad.net/snapd/+milestone/2.77
SRU bug: https://bugs.launchpad.net/snapd/+bug/2158102
Jira: https://warthogs.atlassian.net/browse/SNAPDENG-36858

Test fixes:

• tests: accout for syscalls missing on arm64
• tests: fix lxd-mount-units in ubuntu jammy
• tests: remove support ubuntu 25.10 add support ubuntu 26.10
• tests: fix nvidia-driver:535 on ubuntu 22.04 and 24.04
• tests: fix service startup during install, account for dh-systemd in tests
• tests: fix how timesyncd is configured for ubuntu-core
• tests: build snap-bootstrap with netgo
• tests: verify that a wrongly signed shim cannot get installed
• tests: cleanup redundant tests.cleanup restore
• tests: add back printer-driver-cups-pdf as a dependency
• tests: move trusty to openstack and remove alternative-backend from workflows
• tests: rename views, plugs and paths per SD247 spec
• tests: add commands for debugging or accessing snap mount namespaces
• tests: add request counting, add debug-api command, use it in tests
• tests: migrate fips and secboot from google to openstack
• tests: retry when gh client fails and check last change time in auto-rerun workflow
• tests: fix security-logging test in opensuse
• tests: fix spread filter to allow more specific rules than tasks
• tests: update main/nvidia-files
• tests: fix interfaces-kernel-module-control on core 18
• tests: create a new auto trigger workflow for prs
• tests: stabilize rpm package tracking in fedora/opensuse spread cleanup

Requires rebase merge

[andrewphelpsj]

Thanks, a couple things to mention about experimental features.

[olivercalder]

Overall looks good, a few comments about things I'm more familiar with

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 78.83%. Comparing base (546cb6a) to head (0f48b4b).

Additional details and impacted files

@@               Coverage Diff                @@
##           release/2.77   #17411      +/-   ##
================================================
+ Coverage         78.81%   78.83%   +0.01%     
================================================
  Files              1410     1403       -7     
  Lines            196929   196820     -109     
  Branches           2498     2498              
================================================
- Hits             155208   155159      -49     
+ Misses            32367    32313      -54     
+ Partials           9354     9348       -6     

Flag	Coverage Δ
unittests	78.83% <ø> (+0.01%)	⬆️

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[github-actions]

Mon Jul 27 12:07:24 UTC 2026

Spread tests skipped

[pedronis]

what's the entry for 983808a ?

[sergiocazzolato]

This is the pr #17034

[pedronis]

something is wrong becaue that PR/API is more thatn just the recovery key generation, we want something like

• FDE: add reprovision API

then

[andrewphelpsj]

Thanks! Stuff I know about looks good

[ZeyadYasser]

LGTM, Thank you!