v0.18.4.0 release to-do list
The following pull requests have to be merged, tests have to be done and issues have to be resolved.

- [x] #9722
- [x] #9823
- [x] #9687
- [x] #9807
- [x] #9740 
- [x] #9759
- [x] #8617
- [x] #9775 
- [x] #9793
- [x] #9805
- [x] #9755
- [x] https://github.com/monero-project/monero/pull/9844
- [x] https://github.com/monero-project/monero/pull/9459#issuecomment-2677282415
- [ ] #9862
- [ ] Test a full chain sync
- [x] Investigate the issue reported by woodser about transactions not propagating in his test suite

Any other PRs that I'm missing?