generated: '2026-08-04'
method: searched
source: https://mainstreet.ai/updates.html
scheme: dated-posts
note: >-
  MainStreet publishes a dated company "Updates" page covering product, pricing,
  compliance and reporting changes to the tax-credit service. It is a business
  changelog, not an API changelog — there is no versioned API to change. Entries
  are transcribed verbatim from the UPDATES data embedded in the page; only the
  recent window is captured, the live page remains the source of truth.
categories:
- Pricing
- Compliance
- Product
- Reporting
current_version: null
current_version_note: MainStreet publishes no API or platform version number.
entries:
- id: pricing-flexible-2026
  date: '2026-06-24'
  category: Pricing
  title: 'More flexible pricing: pick the structure that fits your business'
  summary: >-
    Clients can now choose how they pay for an R&D engagement: 15% success-based
    (no credit, no fee), Pay in Full for the lowest effective rate, 12
    interest-free monthly payments, or a Flat-Fee option with tiered discounts
    and up to a 3-year rate lock. Every option includes up to $1M in audit
    support and protection.
  breaking: false
  link: https://mainstreet.ai/pricing.html
- id: section-g-2026
  date: '2026-06-20'
  category: Compliance
  title: Getting clients ready for mandatory Form 6765 Section G in 2026
  summary: >-
    For tax years beginning after 31 December 2025, Section G business-component-level
    reporting becomes mandatory for most filers. MainStreet updated its process to
    capture component-level QRE detail in every engagement. Exemptions still apply
    for qualified small businesses electing the payroll offset and for filers under
    the $1.5M QRE and $50M gross-receipts tests on an original return.
  breaking: false
  link: https://mainstreet.ai/irs-rules.html
- id: portal-support-2026
  date: '2026-06-12'
  category: Product
  title: Enhanced support inside the MainStreet client portal
  summary: >-
    The client portal added in-portal messaging with a dedicated client-success
    lead, real-time engagement status tracking, secure document upload, and
    one-click access to the Knowledge Hub.
  breaking: false
  link: https://login.mainstreet.com/u/login
- id: audit-package-2026
  date: '2026-06-05'
  category: Reporting
  title: New enhanced audit substantiation package for every client
  summary: >-
    Every engagement now includes an audit-ready documentation package:
    business-component-level QRE breakdowns, four-part test memos, contemporaneous
    documentation, Section G-ready reporting, and IDR response support.
  breaking: false
  link: https://mainstreet.ai/schedule.html
x-evidence:
  fetched: '2026-08-04'
  url: https://mainstreet.ai/updates.html
  http_status: 200
  entries_captured: 4