An example of the diff between this and the previous released version (for x86_64) is:
ostree diff commit old: e4c5affdeff6cbe5c494cbad48419d9746c017f17b46e97ae83639f6328989ce
ostree diff commit new: 74566c9d78aeb334f497b77d85d726932ebf5b6ee6ef33594fb4ec072ac880bc
Upgraded:
  container-selinux 2:2.106-1.gitfc7111d.fc29 -> 2:2.109-1.gitdb771da.fc29
  expat 2.2.6-1.fc29 -> 2.2.7-1.fc29
  fuse-common 3.5.0-1.fc29 -> 3.6.1-2.fc29
  fuse3-libs 3.5.0-1.fc29 -> 3.6.1-2.fc29
  kernel 5.1.16-200.fc29 -> 5.1.18-200.fc29
  kernel-core 5.1.16-200.fc29 -> 5.1.18-200.fc29
  kernel-modules 5.1.16-200.fc29 -> 5.1.18-200.fc29
  libmodulemd1 1.8.11-2.fc29 -> 1.8.13-1.fc29
  librepo 1.9.6-2.fc29 -> 1.10.2-2.fc29
  libreport-filesystem 2.10.0-2.fc29 -> 2.10.1-1.fc29
  nss 3.44.0-2.fc29 -> 3.44.1-1.fc29
  nss-softokn 3.44.0-2.fc29 -> 3.44.1-1.fc29
  nss-softokn-freebl 3.44.0-2.fc29 -> 3.44.1-1.fc29
  nss-sysinit 3.44.0-2.fc29 -> 3.44.1-1.fc29
  nss-util 3.44.0-2.fc29 -> 3.44.1-1.fc29
  pcre2 10.33-4.fc29 -> 10.33-6.fc29
  podman 2:1.4.2-1.fc29 -> 2:1.4.4-4.fc29
  podman-manpages 2:1.4.2-1.fc29 -> 2:1.4.4-4.fc29
  python3-gobject-base 3.30.4-1.fc29 -> 3.30.5-1.fc29
  setup 2.12.1-1.fc29 -> 2.12.1-2.fc29
  strace 5.0-1.fc29 -> 5.2-1.fc29
The x86_64 AMIs are here:
Fedora-AtomicHost-29-20190722.0.x86_64        eu-west-2            ami-01679d6f596cb0bba hvm           gp2            
Fedora-AtomicHost-29-20190722.0.x86_64        ap-northeast-1       ami-02955934155405f1e hvm           gp2            
Fedora-AtomicHost-29-20190722.0.x86_64        eu-central-1         ami-0f6d90162b7f82798 hvm           gp2            
Fedora-AtomicHost-29-20190722.0.x86_64        us-west-1            ami-0b6943bf1c95d5438 hvm           gp2            
Fedora-AtomicHost-29-20190722.0.x86_64        us-west-2            ami-0163f7370ff658878 hvm           gp2            
Fedora-AtomicHost-29-20190722.0.x86_64        ap-southeast-2       ami-0922e6870839ff52a hvm           gp2            
Fedora-AtomicHost-29-20190722.0.x86_64        ca-central-1         ami-019edc37cbd07f751 hvm           gp2            
Fedora-AtomicHost-29-20190722.0.x86_64        ap-southeast-1       ami-04c843d14eba6f12d hvm           gp2            
Fedora-AtomicHost-29-20190722.0.x86_64        sa-east-1            ami-0c87259893676c7f0 hvm           gp2            
Fedora-AtomicHost-29-20190722.0.x86_64        us-east-2            ami-0e9ba03f502a5b61d hvm           gp2            
Fedora-AtomicHost-29-20190722.0.x86_64        ap-northeast-2       ami-0d6e99c9710beca2a hvm           gp2            
Fedora-AtomicHost-29-20190722.0.x86_64        eu-west-1            ami-0294277541c06d65d hvm           gp2            
Fedora-AtomicHost-29-20190722.0.x86_64        ap-south-1           ami-0937116a52dfbecaf hvm           gp2            
Fedora-AtomicHost-29-20190722.0.x86_64        us-east-1            ami-0ba3779be159ea84d hvm           gp2            
Fedora-AtomicHost-29-20190722.0.x86_64        eu-west-2            ami-01ffe34767ad035aa hvm           standard       
Fedora-AtomicHost-29-20190722.0.x86_64        ap-northeast-1       ami-087606e0f4edd0a52 hvm           standard       
Fedora-AtomicHost-29-20190722.0.x86_64        eu-central-1         ami-02def82cbc2e06483 hvm           standard       
Fedora-AtomicHost-29-20190722.0.x86_64        us-west-1            ami-0fea6856210af926e hvm           standard       
Fedora-AtomicHost-29-20190722.0.x86_64        us-west-2            ami-02da8f164d3a8ffe7 hvm           standard       
Fedora-AtomicHost-29-20190722.0.x86_64        ap-southeast-2       ami-0aec5ebd852efa39b hvm           standard       
Fedora-AtomicHost-29-20190722.0.x86_64        ca-central-1         ami-071d083030c5e88fa hvm           standard       
Fedora-AtomicHost-29-20190722.0.x86_64        ap-southeast-1       ami-0283edfc6bd475804 hvm           standard       
Fedora-AtomicHost-29-20190722.0.x86_64        sa-east-1            ami-078921f4ccad10ddf hvm           standard       
Fedora-AtomicHost-29-20190722.0.x86_64        us-east-2            ami-0847b84d5977f6671 hvm           standard       
Fedora-AtomicHost-29-20190722.0.x86_64        ap-northeast-2       ami-08f4ff8b56311e0bc hvm           standard       
Fedora-AtomicHost-29-20190722.0.x86_64        eu-west-1            ami-0414895c6ed434fad hvm           standard       
Fedora-AtomicHost-29-20190722.0.x86_64        ap-south-1           ami-0188a891b3c9eab8d hvm           standard       
Fedora-AtomicHost-29-20190722.0.x86_64        us-east-1            ami-04389e9b585ba1e94 hvm           standard    
The aarch64 AMIs are here:
Fedora-AtomicHost-29-20190722.0.aarch64       us-east-1            ami-0afcdb96d42288126 hvm           gp2 
Fedora-AtomicHost-29-20190722.0.aarch64       eu-west-1            ami-01ac0ed15bdc49690 hvm           gp2 
Fedora-AtomicHost-29-20190722.0.aarch64       us-west-2            ami-01400be0ca9edc973 hvm           gp2
The Vagrant Cloud page with the new Atomic Host:
Fedora Atomic Working Group