Added theFinancial services industry (FSI) perspective.
These documents describe principles and recommendations that are specific
to FSI, aligned to each pillar of the Architecture Framework.
Reliability pillar:
Major update to align the recommendations with core principles of reliability.
December 6, 2024
Performance optimization pillar:
Major update to align the recommendations with core principles of performance
optimization.
October 31, 2024
Operational excellence pillar:
Major update to align the recommendations with core principles of operational
excellence.
October 11, 2024
Added theAI and ML perspective.
These documents describe principles and recommendations that are specific
to AI and ML, aligned to each pillar of the Architecture Framework.
September 25, 2024
Cost optimization pillar:
Major update to align the recommendations with core principles of cost
optimization.
August 27, 2024
The System Design category of the Architecture Framework has been
removed. The guidance in this category is available in other Google Cloud
documentation.
June 4, 2024
Cost optimization category:
Added information aboutmonitoringthe cost of Dataflow resources.
Add recommendations foroptimizingcost by using the at-least-once streaming mode and the dynamic thread scaling
feature.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eThe Google Cloud Well-Architected Framework has undergone major updates to its Security, Reliability, Performance Optimization, Operational Excellence, and Cost Optimization pillars, aligning them with their respective core principles.\u003c/p\u003e\n"],["\u003cp\u003eAn AI and ML perspective has been added to the framework, providing specific principles and recommendations tailored to these technologies and aligned with the existing pillars.\u003c/p\u003e\n"],["\u003cp\u003eThe System Design category has been removed, with its guidance now integrated into other relevant Google Cloud documentation.\u003c/p\u003e\n"],["\u003cp\u003eSignificant additions have been made to the Cost Optimization pillar, including new information on monitoring Dataflow resources, the FinOps hub, and recommendations for optimizing costs in compute, databases, and smart analytics.\u003c/p\u003e\n"],["\u003cp\u003eThe Reliability pillar has been reorganized, improving usability and SRE guidance alignment by updating guidance related to SLOs, SLIs, Terminology and Alerts.\u003c/p\u003e\n"]]],[],null,["# What's new in the Well-Architected Framework\n\n\u003cbr /\u003e\n\nThis document lists significant changes to the Google Cloud Well-Architected Framework.\n\nAugust 7, 2025\n--------------\n\n- [AI and ML perspective: Reliability](/architecture/framework/perspectives/ai-ml/reliability): Major update to expand the reliability recommendations in the AI and ML perspective.\n\nJuly 28, 2025\n-------------\n\n- Added the [Financial services industry (FSI) perspective](/architecture/framework/perspectives/fsi). These documents describe principles and recommendations that are specific to FSI, aligned to each pillar of the Architecture Framework.\n\nMay 28, 2025\n------------\n\n- [AI and ML perspective: Cost optimization](/architecture/framework/perspectives/ai-ml/cost-optimization): Major update to expand the cost optimization recommendations in the AI and ML perspective.\n\nApril 28, 2025\n--------------\n\n- [AI and ML perspective: Operational excellence](/architecture/framework/perspectives/ai-ml/operational-excellence): Major update to expand the operational excellence recommendations in the AI and ML perspective.\n\nFebruary 5, 2025\n----------------\n\n- [Security, privacy, and compliance pillar](/architecture/framework/security): Major update to align the recommendations with core principles of security, privacy, and compliance.\n\nDecember 30, 2024\n-----------------\n\n- [Reliability pillar](/architecture/framework/reliability): Major update to align the recommendations with core principles of reliability.\n\nDecember 6, 2024\n----------------\n\n- [Performance optimization pillar](/architecture/framework/performance-optimization): Major update to align the recommendations with core principles of performance optimization.\n\nOctober 31, 2024\n----------------\n\n- [Operational excellence pillar](/architecture/framework/operational-excellence): Major update to align the recommendations with core principles of operational excellence.\n\nOctober 11, 2024\n----------------\n\n- Added the [AI and ML perspective](/architecture/framework/perspectives/ai-ml). These documents describe principles and recommendations that are specific to AI and ML, aligned to each pillar of the Architecture Framework.\n\nSeptember 25, 2024\n------------------\n\n- [Cost optimization pillar](/architecture/framework/cost-optimization): Major update to align the recommendations with core principles of cost optimization.\n\nAugust 27, 2024\n---------------\n\n- The System Design category of the Architecture Framework has been removed. The guidance in this category is available in other Google Cloud documentation.\n\nJune 4, 2024\n------------\n\n- Cost optimization category:\n - Added information about [monitoring](/architecture/framework/cost-optimization/databases#monitor_usage_5) the cost of Dataflow resources.\n - Add recommendations for [optimizing](/architecture/framework/cost-optimization/databases#optimize_resources_5) cost by using the at-least-once streaming mode and the dynamic thread scaling feature.\n\nMay 31, 2024\n------------\n\n- Cost optimization category:\n - Added information about the [FinOps hub](/architecture/framework/cost-optimization/finops#finops-hub).\n\nMay 30, 2024\n------------\n\n- System design category:\n - Added a new design principle, [Design for change](/architecture/framework/system-design/principles#design_for_change).\n\nMay 23, 2024\n------------\n\n- Cost optimization category:\n - Added guidance in [Optimize cost: Compute, containers, and serverless](/architecture/framework/cost-optimization/compute#reclaim_idle_resources) about reducing cost by suspending idle Compute Engine VMs .\n\nMay 16, 2024\n------------\n\n- System design category:\n - Added information about the Batch service in [Choose and manage compute](/architecture/framework/system-design/compute#platform).\n\nMay 9, 2024\n-----------\n\n- Cost optimization category:\n - Updated guidance about Dataflow Shuffle in [Optimize cost: Databases and smart analytics](/architecture/framework/cost-optimization/databases#dataflow).\n\nApril 22, 2024\n--------------\n\n- Cost optimization category:\n - Added a recommendation about considering storage cost when configuring the log-retention period in [Optimize cost: Cloud operations](/architecture/framework/cost-optimization/cloudops#logging).\n\nMarch 29, 2024\n--------------\n\n- Reliability category:\n - Reorganized the guidance related to [SLOs](/architecture/framework/reliability/choose-slos) and [SLIs](/architecture/framework/reliability/choose-slis) to improve usability and alignment with SRE guidance.\n\nJanuary 4, 2024\n---------------\n\n- Performance optimization category:\n - Updated the guidance for [Network Service Tiers](/architecture/framework/performance-optimization/networking).\n\nNovember 28, 2023\n-----------------\n\n- Reliability category:\n - Reorganized the content to improve readability and consistency:\n - [Define SLOs](/architecture/framework/reliability/defining-SLOs): Moved \"Terminology\" section to new page: [Terminology](/architecture/framework/reliability/terminology)\n - [Adopt SLOs](/architecture/framework/reliability/adopting-slos): Moved \"SLOs and Alerts\" section to new page: [SLOs and Alerts](/architecture/framework/reliability/slo-and-alerts)\n\nNovember 9, 2023\n----------------\n\n- System design category:\n - Added guidance to help cloud architects to [choose deployment archetypes](/architecture/framework/system-design/archetypes) for workloads in Google Cloud."]]
