What's new
Updates
Improvements and fixes across Eagle Eye, grouped by week and by product.
RC Beam Section
- PBC: static section card title ("Exploring Section") instead of the per-value banner
- PBC: remove the Explore note and the Cost / Carbon card notes
- M11: hide ACI 318-25 in Code Preferences until the span detailing is ported
- Explore: code limits on the sliders, DCR card warns (PBC step 6.5)
- Explore tab - sandbox sliders for the Performance tab (PBC step 6.4)
and 9 more improvements
Analysis Apps
- Theme: Light / Dark / System, following the system by default
- Dark theme across all EagleI apps, stored as a user preference
- Correct calculation animations in Analysis apps and add local LLM assistant
Strut-and-Tie
- Hook confinement links only where 25.4.3.4 applies
- Transfer Girder supports 508 mm so the nested hooks develop
- Hooked bar layers nest; summary drops the provided-reinforcement table
Prism
- VR navigation, backdrops, construction in the headset; sample gallery
- In-app Analytics page behind analytics:read
Platform
- PBC metric cards: readable note and row labels in the dark theme
Steel Design
- Beam material: mass density no longer jumps on library change
Strut-and-Tie
- Report pages split to one A4 sheet each
- Report and panel without repeats; rebar-only tie equations (G31, G32, G30 note)
- ACI names for beta_s / beta_n / beta_c and the table row of each value
- Node demand F_un, verdicts phi F_ns / F_nt / F_nn
- A_nz cites 23.9.4 with its (a) / (b) case; no section signs
and 48 more improvements
RC Beam Section
- IS 456 closed hoop carries the Cl. 41.4.3 A_sv
- IS 456 torsion link spacing, side-face steel, A_sv of all legs
- IS 456 steel stress from the Fig. 23 design curve
- EC2 shear and torsion take the National Annex C_Rd,c, v_min and alpha_ct
- EC2 DC High uses theta = 45 deg on every design shear branch
and 14 more improvements
Analysis Apps
- Truss 2D refuses a template past the plan's node cap before building it
- Correct truss report zoom in and out button, canvas viewer and results (stress, deflection) diagrams
- Update truss load labeling in left and expanded table
- Update Strut and Tie app left and right panel input variable and its text. corrected canvas issue on expanding the view. and node design UI
- Update STM stress mesh and its controlling params
and 4 more improvements
Concrete Design (all apps)
- RC beam detail: outer bar runs carry on into the layers above
- M21: span detailing uses the span's top bar and hangers, not the last station's
- M21: ACI c_b takes the cover to the nearest concrete surface
- M21: ACI T/L bars sit in the web for c_b, layers and hanger spacing
- M21: zoning shear strength on b_w, capped f_yt, per-end p_t; ACI 9.7.3.5 per cut-off
and 1 more improvement
RC Beam Span
- M21: overlapping top zones share their bars instead of stacking
- M21: web bars run full length with the most any combination needs
- M21: Flexure Envelope View sends the station's +M and -M to Beam Section
- M21: "Inputs changed" badge without the fail icon
Multiple RC Beams
- / RC Beam Section: remove the imported-source display
- Remove the CSI design messages and Calculated seismic moments buttons
- Remove the ETABS final reinforcement and ETABS ±M by region buttons
Prism
- Capture 3d model using prism sap2000
- SAP2000: open .$2k model files
Website
- Add the local files
- Education Donwload update
Column Designer
- Prism shop drawings, STL export and phone viewer
Dynamics
- Dynamics: periodic response uses each Fourier term's harmonic order and adds a0/k once
ETABS & SAP2000 Links
- Import: always detail the span and allow Beam Span transfer
Strut-and-Tie
- The tie zone is sized for the tie force, bars spread over it
- The top node is sized for its forces in the truss iteration
- Extended nodal zone from the code geometry; straight bar to end cover
- Straight ld uses the Table 25.4.2.3 row the bar layout qualifies for
- Zero-force members labelled in the member force tables
and 21 more improvements
Analysis Apps
- Update STM app layout and left panel input params along with that the UI canvas Views at Centeral Panel
- Export icon on view cards; cards in one row fold together
- Responsive layout: phone screens, auto-unpin, folding card and viewer toolbars
- Beam analysis app floating toolbar update
- Update selection for floating tool bar in analysis apps
and 3 more improvements
RC Beam Span
- ACI integrity steel checked against what runs through; hanger lap per 25.5.2.2
- Detailed bars checked against every combination; one Forces row per station
- EC2 top bars cut where the hangers carry the envelope; top bars run through short gaps
- Top bars developed with the top bar, EC2 poor bond, ACI c_b per bar group
- Extra bottom bars cut off from the supports inward, not from mid-span
and 3 more improvements
Concrete Design (all apps)
- M21: IS 456 Cl 26.2.3.2 checked at every cut-off in a tension zone
- M21: IS 456 report uses φ for the bar diameter
- Cap the torsion link spacing at min(p_h/8, 300 mm)
- Torsion: A_oh and p_h to the centreline of the outer link
- The 4/3 waiver of A_s,min on A_s required by analysis
and 2 more improvements
Elastic Stresses
- Forces table in distance order, V jumps kept, transfers locked
- A forces table at one distance says so
- Compressive stress limit and trajectory view switches
- Trajectories sample the L web mid-plane
- State the L-section bending assumption
Platform
- M21: remove the unused code-book curtailment figures
- M21: own bar-curtailment figures per design code
- Card toolbars: an open dropdown no longer folds the toolbar; M21 Load Combos arrow clear of the text
- Phone header menu, vertical overflow dots, flyout panels above workspace layers
Prism
- WebGPU path tracer with OIDN denoise, walk-through, tower tree, share PINs
- Phone QR sends a baked view snapshot; Story tab follows the selected step
- Immersive VR/AR view, load display upgrades, phone QR view, story shear by mode
- Plan view colour modes + scoped legend, force colour scales, modal-case gating, ribbon layout
ETABS & SAP2000 Links
- Hold the design to ETABS / SAP2000 final reinforcement; use the source design code
- Design Sway Intermediate beams from the exported forces
RC Beam Section
- Table Expand into a centre-panel drawer; Design Groups + row; M11 opens on Code Preferences
- From ETABS folder list: required reinforcement by End-I / Middle / End-J
Wind Loads
- Flat-roof reference ridge and assumed wind arrows as Fig. 28.3-1
- ASCE Ch.27/28 roofs, DPT 1311-50, EN 1991-1-4, wind animation
Column Designer
- Keep Mander confinement zones consistent with their section
Multiple RC Beams
- Support bars from every strength combo, not the critical row
RC Slabs
- Interpolate the Method 3 tables and check 1.4D
Steel Design
- Strut Design Groups: Expand + row; Multiple Steel Strut Member table Expand
Isolated Footing
- Design finds the same depth in a quarter of the trials
- 3D: an 8.5 MB model down to 1.1 MB, kept between refreshes, upper mat clear of the bends
- Add, insert and delete rows in the load tables
- Design counts the dowels from four every run
- Drawings: dowels in every column corner, feet square off their face
and 6 more improvements
Analysis Apps
- Strut and tie app elastic stresses update
- Adding AI Sizing feature and Internal hinge to beam analysis app
- Fixed-width side panels and matching edge strips across apps
- Fixed beam analysis resutls diagram text size issue
- Strut and tie app structuring
and 3 more improvements
Prism
- Story tab, member forces dialog, standard dialog shell, shell contour/scale fixes
- Two-row Design force controls, narrower Results stacks, no overlapping scale labels
- Result color scale can dock on the right (now the default)
- Right-docked result color scale as a slim rail
- Dashboard button links to eaglei.tech/dashboard
and 1 more improvement
Elastic Stresses
- Refuse a T or L whose dimensions contradict
- Highlight the cracked zone above a tensile limit f_t
- The grids sample the peak stresses
- Transverse shear takes the sign equilibrium gives
Steel Design
- Multiple Steel Beam/Column: design groups follow the Material Model Type
- QA rounds 3-5: EN Class 4 tee, Multiple Steel panel fixes, material round trip
- Report per check at its governing station, code fixes verified against the standards
- Verification: code fixes, lean step-by-step reports and flowcharts
ETABS & SAP2000 Links
- Name the cloud file, ask before overwriting; SAP2000 envelope Max/Min profiles
Frame 2D
- Nodal moments act counter-clockwise; end labels sit on their own member
Platform
- Tighten panel margins and radii
Isolated Footing
- 3D model: each bar mat inside the other mat's end legs
- Report: drop the beam picture from the flexure design sections
- Report: drawings of the footing replace the generic soil-pressure picture
- Centre panel as Top View, 3D Model, Section X and Section Y
- No-tension contact pressure outside the kern
and 17 more improvements
RC Beam Section
- Fix meshed CSI beam imports and preserve source design messages
- Fix CSI special-frame beam moment imports without reinforcement substitution
- Support SI and US units in RC and steel Excel imports
- Design: EC2 V_Rd,s and IS 456 V_s from the provided links, with a preference (TFS EE-VAL-030)
- Preserve CSI beam cover and final reinforcement on import
and 5 more improvements
RC Slabs
- EC2 and IS 456 coefficients on the effective span
- Label the ACI moments as ACI 318-63 Method 3
- Concrete unit weight per code and unit system
- Fail the design when Short Span > Long Span
- Alpha_f from the T / L beam section and each edge's slab width
and 3 more improvements
Analysis Apps
- Remove RC Beam and Elastic Stress transfer icons from Frame Analysis
- Fix frame axial diagrams and remaining steel QA bugs
- Fix steel cross-app, save/load and import bugs from the cross-app bug hunt
- ACI bug fixes
- Remove Deflection Results section from Beam Analysis App
and 2 more improvements
Wind Loads
- Add ASCE 7-22 torsional and oblique MWFRS cases with traceable reports
- Include roof forces and simultaneous ASCE 7-22 MWFRS minimum
- Replace stale wind visualization with input validation report
- Validate building wind directionality and complete report input basis
- Fix ASCE 7-22 wind calculations and synchronize calculator reports
Platform
- 3D toolbar view dropdown: backdrop in the canvas, so the list stays clickable (Two-way slab)
- 3D canvas settings menu: one row per option, toolbar-size icons, no broken images
- Keep CSI import dialog size consistent across data sources
Prism
- Remove .pear / .pedr file import
- ETABS export guide before Results / Design > From File
- Enterprise tier, plan-gated commands, drop overlay and UI cleanup
Concrete Design (all apps)
- ACI shear/torsion: apply the f_yt, f_y, N_u/6A_g and sqrt(f'c) limits
- ACI shear: cap the size-effect factor lambda_s at 1.0
Dynamics
- Dynamics: harmonic response follows the P0 sin(wbar t) load it plots
- Dynamics: lateral stiffness and column E reach the solvers in N/m and Pa
RC Beam Span
- Show only the design groups in the right panel
- Switch the Design tab groups by design code
Steel Design
- Fix EN steel interaction and IS 800 draft LTB with consistent reports
- Speed up steel candidate design and compact section recommendations
Beam Deflection
- Fix RC beam deflection persistence and repeat calculations
Column Designer
- Fix Project Information synchronization across apps
Strut-and-Tie
- App: design of deep beam
Concrete Design (all apps)
- Loading a model keeps its partial factors and applies its annex NDPs
- IS 456 Design, torsion reversal: check each face against M_lim
- Halve the link spacing (d/4) when V_s > 0.33 sqrt(f'c) b_w d
- T-section: web doubly path without NaN, T branch only on the path
- T/L section, US units: convert E_s to psi and h, h_f to inches
and 12 more improvements
RC Beam Section
- Remove CalMinimumDCR; the engines own the min/max steel DCRs
- Investigate custom rebar: group the bars by zone and measure d to them
- Unit changes, loads and set changes keep the bar sizes
- Investigate: check the Minimum Design Moment M2 in flexure
- IS 456 Investigate flexure: torsion as M_e1 / M_e2 on both faces
and 11 more improvements
Column Designer
- Indexrelease.html asset versions from the last bundle build
- Keep the eaglei.tech sign-in past Auth0's 3-day session
- File menu tier badges clear of the edge, Excel's logo in colour
- Startup page: the Upgrade snack on every locked item
- One design engine left - v1 and the old Auto Design forms go
and 8 more improvements
Steel Design
- Fix ETABS beam design envelopes for non-HSS torsion scope
- Show steel design section selectors for ETABS imports
- Fix ETABS steel member catalog resolution and transfers
- Columns: full section list, shorter recommended set; Uniform by default
- Summary reports: drop the Cb rows from Steel Beam and Steel Section
and 3 more improvements
Analysis Apps
- Fix cold-formed beam and frame steel transfer workflows
- Strut and tie app adding stress contours
- Update All Section/ Debug / Fixed Bug / Formulation
Platform
- Design code dropdown: "Eurocode 2:2004", old files still load
- Fix cm²/m display factor (Metric Av/s and slab As/m showed 10x)
Isolated Footing
- M52: design footing sections for |Mu| and |Vu| (G2: negative design actions)
Last updated November 10, 2026