Release v1.59.0

What's Changed

• test(conditions): cover add_equivalence branches by @moneytool in #4790
• Fix E3002/E6101: don't crash when a resource or output condition can never be true by @Varshith-Kali in #4786
• Fix crash when a resource's Metadata is not an object by @Neg23 in #4784
• Fix E3601: stringify path segments so array indices do not crash message formatting by @Varshith-Kali in #4782
• Fix E1017: allow Fn::If and nested Fn::Select as the Fn::Select index by @Varshith-Kali in #4793
• Add E1001: require at least one resource in the Resources section by @Varshith-Kali in #4781
• fix: Check the length of a template Description that mentions a dynamic reference by @sayaksatpathi in #4765
• Fix E8001: stop rejecting condition names CloudFormation accepts by @Varshith-Kali in #4787
• Fix crash when the template Metadata is not an object by @Neg23 in #4807
• Fix E3004: evaluate SAM resource dependency cycles before reporting by @proton0210 in #4755
• Fix E1029: skip where CloudFormation doesn't evaluate Fn::Sub by @Thanatos9404 in #4759
• Fix E8001: report non-string condition names instead of crashing by @Varshith-Kali in #4814
• fix: Validate --registry-schemas types against their schema again by @sayaksatpathi in #4763
• Fix E3620: Add db.serverless to the DocumentDB instance classes by @Thanatos9404 in #4761
• Fix E3670: Use full xlarge names for Amazon MQ instance types by @Thanatos9404 in #4760
• feat: add Python 3.15 support by @botantony in #4764
• Fix E3690/E3691: accept neptune and sqlserver-dev engines by @Varshith-Kali in #4830
• Fix E3049: don't report when HealthCheckPort is omitted by @Neg23 in #4829
• Fix E1152: accept resolve:ssm: ImageId on AWS::EC2::Instance by @Varshith-Kali in #4828
• feat(kiro): add issue-triage, issue-worker, and pr-reviewer agents by @kddejong in #4831
• fix(formats): match an anyOf of formats on the source schema by @kddejong in #4832
• Update tests for schema changes by @kddejong in #4864
• fix(conditions): extend Fn::Equals mutual-exclusion beyond AllowedValues parameters by @Varshith-Kali in #4805
• Fix E3688: false positives on IpProtocol "-1", icmpv6 and "ICMP" rules by @Varshith-Kali in #4806
• chore(deps): bump setuptools from 84.0.0 to 84.2.1 in /requirements by @dependabot[bot] in #4861
• Update tests for schema changes by @kddejong in #4872
• feat(kiro): widen triage issue access, machine-generate permissions by @kddejong in #4868
• Fix E1019: resolve SAM generated Version/Alias references in Fn::Sub by @moneytool in #4798
• Fix E3720: do not require StorageEncrypted on RDS read replicas by @Varshith-Kali in #4842
• docs: rank deployment above probes in agent evidence hierarchy by @kddejong in #4867
• Fix E3690/E3691: allow major-only EngineVersion for mysql and mariadb by @moneytool in #4796
• Fix E2015: compare Default as CloudFormation strings by @moneytool in #4797
• docs: check quota adjustability before encoding a limit by @kddejong in #4895
• Fix E3005: skip DependsOn check when target condition is always true by @Varshith-Kali in #4843
• Fix E3001: allow a string resource-level Description by @blacksoxx in #4922
• Fix E3671: Set gp3 Iops limits per resource type by @Thanatos9404 in #4866
• Test W3001: pin that a resource-level Description does not warn by @kddejong in #4923
• Fix E3671: allow gp3 Iops from 100 and warn when it is raised by @kddejong in #4930
• Fix E3051: skip Automation schema for AppConfig SSM document types by @Varshith-Kali in #4844
• docs(kiro): narrow the validate-template prohibition to provider-owned constraints by @kddejong in #4932
• Add E1165: AWS::IAM::Role.Name format keyword by @kddejong in #4936
• Remove rule E3511 in favour of the E1156 role ARN format by @kddejong in #4942
• Fix E3615: Allow a CloudWatch alarm Period of 20 by @Thanatos9404 in #4905
• Update schemas (AdditionalSpecs/LmbdRuntimeLifecycle.json): Lambda runtime lifecycle dates from AWS docs by @hoganbr-amzn in #4943
• Fix E2531/W2531/E2533: handle unscheduled Lambda runtime block dates by @kddejong in #4945
• Fix E3695: Allow redis EngineVersion 6.x on CacheCluster by @Thanatos9404 in #4906
• Fix E3062: scope DBInstanceClass enum per engine by @Varshith-Kali in #4870
• fix(scripts): only collect orderable options for available RDS versions by @kddejong in #4946
• Update CloudFormation schemas to 2026-10-28 by @github-actions[bot] in #4808
• fix(config): only accept append_rules and output_file from the CLI, --config-file, or ~/.cfnlintrc by @abouzou in 7bdcb33
• Update python runtime to python 3.13 by @kddejong in #4952

New Contributors

• @Varshith-Kali made their first contribution in #4786
• @Neg23 made their first contribution in #4784
• @sayaksatpathi made their first contribution in #4765
• @Thanatos9404 made their first contribution in #4759
• @botantony made their first contribution in #4764
• @blacksoxx made their first contribution in #4922
• @hoganbr-amzn made their first contribution in #4943
• @abouzou made their first contribution in 7bdcb33

Full Changelog: v1.58.0...v1.59.0